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[C#/WINUI3/COMMUNITY TOOLKIT/.NET8] CameraHelper 클래스 : 카메라 이미지 캡처하기 (오류)

■ CameraHelper 클래스를 사용해 카메라 이미지를 캡처하는 방법을 보여준다. ※ 아래 코드를 실행하면 카메라 이미지가 캡처가 되는데 버튼을 자주 클릭해야 했다. ▶

[C#/WINUI3/.NET6] MediaPlayerElement 엘리먼트 : MediaCapture 객체를 사용해 카메라 캡처하기

■ MediaPlayerElement 엘리먼트에서 MediaCapture 객체를 사용해 카메라 캡처하는 방법을 보여준다. ▶ ExpandToFillGrid.cs


using Windows.Foundation;

using Microsoft.UI.Xaml.Controls;

namespace TestProject
{
    /// <summary>
    /// 전체 확장 그리드
    /// </summary>
    public class ExpandToFillGrid : Grid
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Protected

        #region 측정하기 (오버라이드) - MeasureOverride(availableSize)

        /// <summary>
        /// 측정하기 (오버라이드)
        /// </summary>
        /// <param name="availableSize">이용 가능 크기</param>
        /// <returns>측정 크기</returns>
        protected override Size MeasureOverride(Size availableSize)
        {
            Size desiredSize = base.MeasureOverride(new Size(availableSize.Width, 100));

            return desiredSize;
        }

        #endregion
    }
}

using Windows.Foundation;

using Microsoft.UI.Xaml.Controls;

namespace TestProject

{

/// <summary>

/// 전체 확장 그리드

/// </summary>

public class ExpandToFillGrid : Grid

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Protected

#region 측정하기 (오버라이드) - MeasureOverride(availableSize)

/// <summary>

/// 측정하기 (오버라이드)

/// </summary>

/// <param name="availableSize">이용 가능 크기</param>

/// <returns>측정 크기</returns>

protected override Size MeasureOverride(Size availableSize)

{

Size desiredSize = base.MeasureOverride(new Size(availableSize.Width, 100));

return desiredSize;

}

#endregion

}

▶ MainWindow.xaml


<?xml version="1.0" encoding="utf-8"?>
<Window x:Class="TestProject.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:TestProject"
    Title="TestProject">
    <Grid Margin="10">
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="*"    />
            <ColumnDefinition Width="Auto" />
        </Grid.ColumnDefinitions>
        <Grid
            MinWidth="400"
            MinHeight="300"
            RowSpacing="10"
            ColumnSpacing="4"
            RowDefinitions="Auto,*"
            ColumnDefinitions="*,100">
            <TextBlock Name="displayNameTextBlock" Grid.Row="0" Grid.Column="0"
                VerticalAlignment="Center" />
            <MediaPlayerElement Name="mediaPlayerElement" Grid.Row="1" Grid.Column="0"
                Stretch="Uniform"
                AutoPlay="True" />
            <TextBlock Name="captureTextBlock" Grid.Row="0" Grid.Column="1"
                VerticalAlignment="Center"
                Text="Captured : "
                Visibility="Collapsed" />
            <Grid Name="captureGrid" Grid.Row="1" Grid.Column="1"
                Margin="5 0 5 0">
                <ScrollViewer VerticalScrollMode="Enabled">
                    <StackPanel Name="captureImageStackPanel"
                        Spacing="2" />
                </ScrollViewer>
            </Grid>
        </Grid>
        <StackPanel Grid.Column="1"
            HorizontalAlignment="Center"
            VerticalAlignment="Center"
            Margin="5 0 0 0">
            <ToggleSwitch Name="mirrorTogglePreviewSwitch"
                Header="Mirror preview"
                IsOn="False"
                ToolTipService.ToolTip="Mirrors only the preview, not captured photos" />
            <Button Name="captureButton"
                Content="Capture Photo" />
        </StackPanel>
    </Grid>
</Window>

<?xml version="1.0" encoding="utf-8"?>

<Window x:Class="TestProject.MainWindow"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

xmlns:local="using:TestProject"

Title="TestProject">

<Grid.ColumnDefinitions>

</Grid.ColumnDefinitions>

<Grid

MinWidth="400"

MinHeight="300"

RowSpacing="10"

ColumnSpacing="4"

RowDefinitions="Auto,*"

ColumnDefinitions="*,100">

<TextBlock Name="displayNameTextBlock" Grid.Row="0" Grid.Column="0"

VerticalAlignment="Center" />

<MediaPlayerElement Name="mediaPlayerElement" Grid.Row="1" Grid.Column="0"

Stretch="Uniform"

AutoPlay="True" />

<TextBlock Name="captureTextBlock" Grid.Row="0" Grid.Column="1"

VerticalAlignment="Center"

Text="Captured : "

Visibility="Collapsed" />

<Grid Name="captureGrid" Grid.Row="1" Grid.Column="1"

Margin="5 0 5 0">

<StackPanel Name="captureImageStackPanel"

Spacing="2" />

</ScrollViewer>

</Grid>

<StackPanel Grid.Column="1"

HorizontalAlignment="Center"

VerticalAlignment="Center"

Margin="5 0 0 0">

<ToggleSwitch Name="mirrorTogglePreviewSwitch"

Header="Mirror preview"

IsOn="False"

ToolTipService.ToolTip="Mirrors only the preview, not captured photos" />

<Button Name="captureButton"

Content="Capture Photo" />

</StackPanel>

</Grid>

</Window>

▶ MainWindow.xaml.cs


using System;
using System.Collections.Generic;
using System.Linq;

using Microsoft.UI.Xaml;
using Microsoft.UI.Xaml.Controls;
using Microsoft.UI.Xaml.Media;
using Microsoft.UI.Xaml.Media.Imaging;

using Windows.Foundation;
using Windows.Media.Capture;
using Windows.Media.Capture.Frames;
using Windows.Media.Core;
using Windows.Media.MediaProperties;
using Windows.Storage.Streams;

namespace TestProject
{
    /// <summary>
    /// 메인 윈도우
    /// </summary>
    public sealed partial class MainWindow : Window
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 미디어 프레임 소스 그룹
        /// </summary>
        private MediaFrameSourceGroup mediaFrameSourceGroup;

        /// <summary>
        /// 미디어 캡처
        /// </summary>
        private MediaCapture mediaCapture;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainWindow()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainWindow()
        {
            InitializeComponent();

            StartMediaPlayerElement();

            ExpandToFillGrid expandToFillGrid = new ExpandToFillGrid();

            ScrollViewer scrollViewer = this.captureGrid.Children[0] as ScrollViewer;

            this.captureGrid.Children.Remove(scrollViewer);

            this.captureGrid.Children.Add(expandToFillGrid);

            expandToFillGrid.Children.Add(scrollViewer);

            this.mirrorTogglePreviewSwitch.Toggled += mirrorPreviewToggleSwitch_Toggled;
            this.captureButton.Click               += captureButton_Click;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private
        //////////////////////////////////////////////////////////////////////////////// Event

        #region Mirror preview 토글 스위치 토글시 처리하기 - mirrorPreviewToggleSwitch_Toggled(sender, e)

        /// <summary>
        /// Mirror preview 토글 스위치 토글시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void mirrorPreviewToggleSwitch_Toggled(object sender, RoutedEventArgs e)
        {
            if(this.mirrorTogglePreviewSwitch.IsOn)
            {
                this.mediaPlayerElement.RenderTransform       = new ScaleTransform() { ScaleX = -1 };
                this.mediaPlayerElement.RenderTransformOrigin = new Point(0.5, 0.5);
            }
            else
            {
                this.mediaPlayerElement.RenderTransform = null;
            }
        }

        #endregion
        #region Capture 버튼 클릭시 처리하기 - captureButton_Click(sender, e)

        /// <summary>
        /// Capture 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private async void captureButton_Click(object sender, RoutedEventArgs e)
        {
            ImageEncodingProperties properties = ImageEncodingProperties.CreateJpeg();

            InMemoryRandomAccessStream stream = new InMemoryRandomAccessStream();

            await this.mediaCapture.CapturePhotoToStreamAsync(properties, stream);

            stream.Seek(0);

            BitmapImage bitmapImage = new BitmapImage();

            await bitmapImage.SetSourceAsync(stream);

            Image image = new Image() { Source = bitmapImage };

            this.captureImageStackPanel.Children.Insert(0, image);

            this.captureTextBlock.Visibility = Visibility.Visible;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////// Function

        #region 미디어 플레이어 엘리먼트 시작하기 - StartMediaPlayerElement()

        /// <summary>
        /// 미디어 플레이어 엘리먼트 시작하기
        /// </summary>
        async private void StartMediaPlayerElement()
        {
            IReadOnlyList<MediaFrameSourceGroup> mediaFrameSourceGroupList = await MediaFrameSourceGroup.FindAllAsync();

            if(mediaFrameSourceGroupList.Count == 0)
            {
                this.displayNameTextBlock.Text = "No camera devices found.";

                return;
            }

            this.mediaFrameSourceGroup = mediaFrameSourceGroupList.First();

            this.displayNameTextBlock.Text = "Viewing : " + this.mediaFrameSourceGroup.DisplayName;

            this. mediaCapture = new MediaCapture();

            MediaCaptureInitializationSettings settings = new MediaCaptureInitializationSettings()
            {
                SourceGroup          = this.mediaFrameSourceGroup,
                SharingMode          = MediaCaptureSharingMode.SharedReadOnly,
                StreamingCaptureMode = StreamingCaptureMode.Video,
                MemoryPreference     = MediaCaptureMemoryPreference.Cpu
            };

            await this.mediaCapture.InitializeAsync(settings);

            MediaFrameSource mediaFrameSource = this.mediaCapture.FrameSources[this.mediaFrameSourceGroup.SourceInfos[0].Id];

            this.mediaPlayerElement.Source = MediaSource.CreateFromMediaFrameSource(mediaFrameSource);
        }

        #endregion
    }
}

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using System;

using System.Collections.Generic;

using System.Linq;

using Microsoft.UI.Xaml;

using Microsoft.UI.Xaml.Controls;

using Microsoft.UI.Xaml.Media;

using Microsoft.UI.Xaml.Media.Imaging;

using Windows.Foundation;

using Windows.Media.Capture;

using Windows.Media.Capture.Frames;

using Windows.Media.Core;

using Windows.Media.MediaProperties;

using Windows.Storage.Streams;

namespace TestProject

{

/// <summary>

/// 메인 윈도우

/// </summary>

public sealed partial class MainWindow : Window

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// 미디어 프레임 소스 그룹

/// </summary>

private MediaFrameSourceGroup mediaFrameSourceGroup;

/// <summary>

/// 미디어 캡처

/// </summary>

private MediaCapture mediaCapture;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainWindow()

/// <summary>

/// 생성자

/// </summary>

public MainWindow()

{

InitializeComponent();

StartMediaPlayerElement();

ExpandToFillGrid expandToFillGrid = new ExpandToFillGrid();

ScrollViewer scrollViewer = this.captureGrid.Children[0] as ScrollViewer;

this.captureGrid.Children.Remove(scrollViewer);

this.captureGrid.Children.Add(expandToFillGrid);

expandToFillGrid.Children.Add(scrollViewer);

this.mirrorTogglePreviewSwitch.Toggled += mirrorPreviewToggleSwitch_Toggled;

this.captureButton.Click += captureButton_Click;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

//////////////////////////////////////////////////////////////////////////////// Event

#region Mirror preview 토글 스위치 토글시 처리하기 - mirrorPreviewToggleSwitch_Toggled(sender, e)

/// <summary>

/// Mirror preview 토글 스위치 토글시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void mirrorPreviewToggleSwitch_Toggled(object sender, RoutedEventArgs e)

{

if(this.mirrorTogglePreviewSwitch.IsOn)

{

this.mediaPlayerElement.RenderTransform = new ScaleTransform() { ScaleX = -1 };

this.mediaPlayerElement.RenderTransformOrigin = new Point(0.5, 0.5);

}

else

{

this.mediaPlayerElement.RenderTransform = null;

}

#endregion

#region Capture 버튼 클릭시 처리하기 - captureButton_Click(sender, e)

/// <summary>

/// Capture 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private async void captureButton_Click(object sender, RoutedEventArgs e)

{

ImageEncodingProperties properties = ImageEncodingProperties.CreateJpeg();

InMemoryRandomAccessStream stream = new InMemoryRandomAccessStream();

await this.mediaCapture.CapturePhotoToStreamAsync(properties, stream);

stream.Seek(0);

BitmapImage bitmapImage = new BitmapImage();

await bitmapImage.SetSourceAsync(stream);

Image image = new Image() { Source = bitmapImage };

this.captureImageStackPanel.Children.Insert(0, image);

this.captureTextBlock.Visibility = Visibility.Visible;

}

#endregion

//////////////////////////////////////////////////////////////////////////////// Function

#region 미디어 플레이어 엘리먼트 시작하기 - StartMediaPlayerElement()

/// <summary>

/// 미디어 플레이어 엘리먼트 시작하기

/// </summary>

async private void StartMediaPlayerElement()

{

IReadOnlyList<MediaFrameSourceGroup> mediaFrameSourceGroupList = await MediaFrameSourceGroup.FindAllAsync();

if(mediaFrameSourceGroupList.Count == 0)

{

this.displayNameTextBlock.Text = "No camera devices found.";

return;

}

this.mediaFrameSourceGroup = mediaFrameSourceGroupList.First();

this.displayNameTextBlock.Text = "Viewing : " + this.mediaFrameSourceGroup.DisplayName;

this. mediaCapture = new MediaCapture();

MediaCaptureInitializationSettings settings = new MediaCaptureInitializationSettings()

{

SourceGroup = this.mediaFrameSourceGroup,

SharingMode = MediaCaptureSharingMode.SharedReadOnly,

StreamingCaptureMode = StreamingCaptureMode.Video,

MemoryPreference = MediaCaptureMemoryPreference.Cpu

};

await this.mediaCapture.InitializeAsync(settings);

MediaFrameSource mediaFrameSource = this.mediaCapture.FrameSources[this.mediaFrameSourceGroup.SourceInfos[0].Id];

this.mediaPlayerElement.Source = MediaSource.CreateFromMediaFrameSource(mediaFrameSource);

}

#endregion

}

TestProject.zip

[C#/MAUI/.NET6] IMediaPicker 인터페이스 : PickPhotoAsync 메소드를 사용해 갤러리 사진 구하기 (ANDROID)

■ IMediaPicker 인터페이스의 PickPhotoAsync 메소드를 사용해 갤러리 사진을 구하는 방법을 보여준다. ▶ Platforms/Android/AndroidManifest.xml


<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android">
    <application
        android:allowBackup="true"
        android:icon="@mipmap/appicon"
        android:roundIcon="@mipmap/appicon_round"
        android:supportsRtl="true" />
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
</manifest>

<?xml version="1.0" encoding="utf-8"?>

<application

android:allowBackup="true"

android:icon="@mipmap/appicon"

android:roundIcon="@mipmap/appicon_round"

android:supportsRtl="true" />

<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />

<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />

</manifest>

▶ MainPage.xaml


<?xml version="1.0" encoding="utf-8" ?>
<ContentPage x:Class="TestProject.MainPage"
    xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml">
    <StackLayout
        HorizontalOptions="Center"
        VerticalOptions="Center"
        Spacing="10">
        <Border
            HorizontalOptions="Center"
            StrokeThickness="5"
            Stroke="Gray">
            <Border.StrokeShape>
                <Rectangle />
            </Border.StrokeShape>
            <Image x:Name="image"
                WidthRequest="300"
                HeightRequest="300"
                Aspect="Fill" />
        </Border>
        <Button x:Name="pickButton"
            HorizontalOptions="Center"
            Text="사진 파일 선택하기" />
    </StackLayout>
</ContentPage>

<?xml version="1.0" encoding="utf-8" ?>

<ContentPage x:Class="TestProject.MainPage"

xmlns="http://schemas.microsoft.com/dotnet/2021/maui"

xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml">

<StackLayout

HorizontalOptions="Center"

VerticalOptions="Center"

Spacing="10">

<Border

HorizontalOptions="Center"

StrokeThickness="5"

Stroke="Gray">

<Border.StrokeShape>

</Border.StrokeShape>

<Image x:Name="image"

WidthRequest="300"

HeightRequest="300"

Aspect="Fill" />

</Border>

<Button x:Name="pickButton"

HorizontalOptions="Center"

Text="사진 파일 선택하기" />

</StackLayout>

</ContentPage>

▶ MainPage.xaml.cs


namespace TestProject;

/// <summary>
/// 메인 페이지
/// </summary>
public partial class MainPage : ContentPage
{
    //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
    ////////////////////////////////////////////////////////////////////////////////////////// Public

    #region 생성자 - MainPage()

    /// <summary>
    /// 생성자
    /// </summary>
    public MainPage()
    {
        InitializeComponent();

        this.pickButton.Clicked += pickButton_Clicked;
    }

    #endregion

    //////////////////////////////////////////////////////////////////////////////////////////////////// Method
    ////////////////////////////////////////////////////////////////////////////////////////// Private

    #region 사진 파일 선택하기 버튼 클릭시 처리하기 - pickButton_Clicked(sender, e)

    /// <summary>
    /// 사진 파일 선택하기 버튼 클릭시 처리하기
    /// </summary>
    /// <param name="sender">이벤트 발생자</param>
    /// <param name="e">이벤트 인자</param>
    private async void pickButton_Clicked(object sender, EventArgs e)
    {
        if(MediaPicker.Default.IsCaptureSupported)
        {
            FileResult fileResult = await MediaPicker.Default.PickPhotoAsync();

            if(fileResult != null)
            {
                Stream stream = await fileResult.OpenReadAsync();

                this.image.Source = ImageSource.FromStream(() => stream);
            }
        }
    }

    #endregion
}

namespace TestProject;

/// <summary>

/// 메인 페이지

/// </summary>

public partial class MainPage : ContentPage

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainPage()

/// <summary>

/// 생성자

/// </summary>

public MainPage()

{

InitializeComponent();

this.pickButton.Clicked += pickButton_Clicked;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

#region 사진 파일 선택하기 버튼 클릭시 처리하기 - pickButton_Clicked(sender, e)

/// <summary>

/// 사진 파일 선택하기 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private async void pickButton_Clicked(object sender, EventArgs e)

{

if(MediaPicker.Default.IsCaptureSupported)

{

FileResult fileResult = await MediaPicker.Default.PickPhotoAsync();

if(fileResult != null)

{

Stream stream = await fileResult.OpenReadAsync();

this.image.Source = ImageSource.FromStream(() => stream);

}

#endregion

}

TestProject.zip

[C#/MAUI/.NET6] IMediaPicker 인터페이스 : CapturePhotoAsync 메소드를 사용해 사진 촬영하기 (ANDROID)

■ IMediaPicker 인터페이스의 CapturePhotoAsync 메소드를 사용해 사진을 촬영하는 방법을 보여준다. (ANDROID) ▶ Platforms/Andriod/Resources/AndroidManifest.xml


<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android">
    <application android:allowBackup="true" android:icon="@mipmap/appicon" android:roundIcon="@mipmap/appicon_round" android:supportsRtl="true"></application>
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.CAMERA" />
    <queries>
        <intent>
            <action android:name="android.media.action.IMAGE_CAPTURE" />
        </intent>
    </queries>
</manifest>

<?xml version="1.0" encoding="utf-8"?>

<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />

<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />

<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

<uses-permission android:name="android.permission.CAMERA" />

</intent>

</queries>

</manifest>

▶ MainPage.xaml


<?xml version="1.0" encoding="utf-8" ?>
<ContentPage x:Class="TestProject.MainPage"
    xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml">
    <Button x:Name="takeButton"
        HorizontalOptions="Center"
        VerticalOptions="Center"
        Text="사진 촬영하기" />
</ContentPage>

<?xml version="1.0" encoding="utf-8" ?>

<ContentPage x:Class="TestProject.MainPage"

xmlns="http://schemas.microsoft.com/dotnet/2021/maui"

xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml">

<Button x:Name="takeButton"

HorizontalOptions="Center"

VerticalOptions="Center"

Text="사진 촬영하기" />

</ContentPage>

▶ MainPage.xaml.cs


namespace TestProject;

/// <summary>
/// 메인 페이지
/// </summary>
public partial class MainPage : ContentPage
{
    //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
    ////////////////////////////////////////////////////////////////////////////////////////// Public

    #region 생성자 - MainPage()

    /// <summary>
    /// 생성자
    /// </summary>
    public MainPage()
    {
        InitializeComponent();

        this.takeButton.Clicked += takeButton_Clicked;
    }

    #endregion

    //////////////////////////////////////////////////////////////////////////////////////////////////// Method
    ////////////////////////////////////////////////////////////////////////////////////////// Private

    #region 사진 촬영하기 버튼 클릭시 처리하기 - takeButton_Clicked(sender, e)

    /// <summary>
    /// 사진 촬영하기 버튼 클릭시 처리하기
    /// </summary>
    /// <param name="sender">이벤트 발생자</param>
    /// <param name="e">이벤트 인자</param>
    private async void takeButton_Clicked(object sender, EventArgs e)
    {
        if(MediaPicker.Default.IsCaptureSupported)
        {
            FileResult fileResult = await MediaPicker.Default.CapturePhotoAsync();

            if(fileResult != null)
            {
                string filePath = Path.Combine(FileSystem.CacheDirectory, fileResult.FileName);

                using Stream stream = await fileResult.OpenReadAsync();

                using FileStream fileStream = File.OpenWrite(filePath);

                await stream.CopyToAsync(fileStream);
            }
        }
    }

    #endregion
}

namespace TestProject;

/// <summary>

/// 메인 페이지

/// </summary>

public partial class MainPage : ContentPage

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainPage()

/// <summary>

/// 생성자

/// </summary>

public MainPage()

{

InitializeComponent();

this.takeButton.Clicked += takeButton_Clicked;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

#region 사진 촬영하기 버튼 클릭시 처리하기 - takeButton_Clicked(sender, e)

/// <summary>

/// 사진 촬영하기 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private async void takeButton_Clicked(object sender, EventArgs e)

{

if(MediaPicker.Default.IsCaptureSupported)

{

FileResult fileResult = await MediaPicker.Default.CapturePhotoAsync();

if(fileResult != null)

{

string filePath = Path.Combine(FileSystem.CacheDirectory, fileResult.FileName);

using Stream stream = await fileResult.OpenReadAsync();

using FileStream fileStream = File.OpenWrite(filePath);

await stream.CopyToAsync(fileStream);

}

#endregion

}

TestProject.zip

[C#/UWP] 카메라를 사용해 얼굴 탐지하기

■ 카메라를 사용해 얼굴을 탐지하는 방법을 보여준다. ▶ MainPage.xaml


<Page x:Class="TestProject.MainPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    FontFamily="나눔고딕코딩"
    FontSize="16">
    <Page.Resources>
        <SolidColorBrush x:Key="TranslucentBlackBrushKey"
            Color="Black"
            Opacity="0.3" />
    </Page.Resources>
    <Grid Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
        <Grid.Resources>
            <Style TargetType="Button">
                <Setter Property="Margin"                Value="10 40" />
                <Setter Property="MinWidth"              Value="80"    />
                <Setter Property="MinHeight"             Value="80"    />
                <Setter Property="Foreground"            Value="White" />
                <Setter Property="BorderBrush"           Value="White" />
                <Setter Property="Background"            Value="{StaticResource TranslucentBlackBrushKey}" />
                <Setter Property="RenderTransformOrigin" Value="0.5 0.5" />
            </Style>
            <Style TargetType="Viewbox">
                <Setter Property="MaxWidth"  Value="40" />
                <Setter Property="MaxHeight" Value="40" />
            </Style>
        </Grid.Resources>
        <CaptureElement Name="previewCaptureElement"
            Stretch="Uniform" />
        <Canvas>
            <Canvas Name="faceCanvas"
                RenderTransformOrigin="0.5 0.5" />
        </Canvas>
        <StackPanel
            HorizontalAlignment="Right"
            VerticalAlignment="Center">
            <Button Name="photoButton"
                IsEnabled="False"
                Click="photoButton_Click">
                <Viewbox>
                    <SymbolIcon Symbol="Camera" />
                </Viewbox>
            </Button>
            <Button Name="videoButton"
                IsEnabled="False"
                Click="videoButton_Click">
                <Grid>
                    <Ellipse Name="startVideoEllipse"
                        Width="20"
                        Height="20"
                        Fill="Red" />
                    <Rectangle Name="stopVideoRectangle"
                        Width="20"
                        Height="20"
                        Fill="White"
                        Visibility="Collapsed" />
                </Grid>
            </Button>
        </StackPanel>
        <Button Name="faceDetectionButton"
            IsEnabled="False"
            Click="faceDetectionButton_Click">
            <Viewbox>
                <Grid>
                    <SymbolIcon Name="faceDetectionSymbolIcon1"
                        Symbol="Contact2"
                        Visibility="Collapsed" />
                    <SymbolIcon Name="faceDetectionSymbolIcon2"
                        Symbol="Contact"
                        Visibility="Visible" />
                </Grid>
            </Viewbox>
        </Button>
    </Grid>
</Page>

<Page x:Class="TestProject.MainPage"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

FontFamily="나눔고딕코딩"

FontSize="16">

<Page.Resources>

<SolidColorBrush x:Key="TranslucentBlackBrushKey"

Color="Black"

Opacity="0.3" />

</Page.Resources>

<Grid.Resources>

</Style>

</Style>

</Grid.Resources>

<CaptureElement Name="previewCaptureElement"

Stretch="Uniform" />

<Canvas Name="faceCanvas"

RenderTransformOrigin="0.5 0.5" />

</Canvas>

<StackPanel

HorizontalAlignment="Right"

VerticalAlignment="Center">

<Button Name="photoButton"

IsEnabled="False"

Click="photoButton_Click">

</Viewbox>

</Button>

<Button Name="videoButton"

IsEnabled="False"

Click="videoButton_Click">

<Grid>

<Ellipse Name="startVideoEllipse"

Width="20"

Height="20"

Fill="Red" />

<Rectangle Name="stopVideoRectangle"

Width="20"

Height="20"

Fill="White"

Visibility="Collapsed" />

</Grid>

</Button>

</StackPanel>

<Button Name="faceDetectionButton"

IsEnabled="False"

Click="faceDetectionButton_Click">

<Grid>

<SymbolIcon Name="faceDetectionSymbolIcon1"

Symbol="Contact2"

Visibility="Collapsed" />

<SymbolIcon Name="faceDetectionSymbolIcon2"

Symbol="Contact"

Visibility="Visible" />

</Grid>

</Viewbox>

</Button>

</Grid>

</Page>

▶ MainPage.xaml.cs


using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Windows.ApplicationModel;
using Windows.Devices.Enumeration;
using Windows.Devices.Sensors;
using Windows.Foundation;
using Windows.Foundation.Metadata;
using Windows.Graphics.Display;
using Windows.Graphics.Imaging;
using Windows.Media;
using Windows.Media.Core;
using Windows.Media.Capture;
using Windows.Media.FaceAnalysis;
using Windows.Media.MediaProperties;
using Windows.Phone.UI.Input;
using Windows.Storage;
using Windows.Storage.FileProperties;
using Windows.Storage.Streams;
using Windows.System.Display;
using Windows.UI;
using Windows.UI.Core;
using Windows.UI.ViewManagement;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Media;
using Windows.UI.Xaml.Navigation;
using Windows.UI.Xaml.Shapes;

namespace TestProject
{
    /// <summary>
    /// 메인 페이지
    /// </summary>
    public sealed partial class MainPage : Page
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 회전 키 GUID
        /// </summary>
        private static readonly Guid _rotationKeyGUID = new Guid("C380465D-2271-428C-9B83-ECEA3B4A85C1");

        #endregion

        ////////////////////////////////////////////////////////////////////////////////////////// Instance
        //////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 디스플레이 정보
        /// </summary>
        private readonly DisplayInformation displayInformation = DisplayInformation.GetForCurrentView();

        /// <summary>
        /// 단순 방향 센서
        /// </summary>
        private readonly SimpleOrientationSensor orientationSensor = SimpleOrientationSensor.GetDefault();

        /// <summary>
        /// 장치 단순 방향
        /// </summary>
        private SimpleOrientation deviceOrientation = SimpleOrientation.NotRotated;

        /// <summary>
        /// 디스플레이 방향
        /// </summary>
        private DisplayOrientations displayOrientations = DisplayOrientations.Portrait;

        /// <summary>
        /// 캡처 저장소 폴더
        /// </summary>
        private StorageFolder captureStorageFolder = null;

        /// <summary>
        /// 디스플레이 요청
        /// </summary>
        private readonly DisplayRequest displayRequest = new DisplayRequest();

        /// <summary>
        /// 시스템 미디어 전송 컨트롤
        /// </summary>
        private readonly SystemMediaTransportControls systemMediaTransportControls = SystemMediaTransportControls.GetForCurrentView();

        /// <summary>
        /// 미디어 캡처
        /// </summary>
        private MediaCapture mediaCapture;

        /// <summary>
        /// 미디어 인코딩 속성
        /// </summary>
        private IMediaEncodingProperties mediaEncodingProperties;

        /// <summary>
        /// 초기화 여부
        /// </summary>
        private bool isInitialized;

        /// <summary>
        /// 레코딩 여부
        /// </summary>
        private bool isRecording;

        /// <summary>
        /// 미리보기 미러링 여부
        /// </summary>
        private bool mirroringPreview;

        /// <summary>
        /// 외부 카메라 여부
        /// </summary>
        private bool externalCamera;

        /// <summary>
        /// 얼굴 탐지 효과
        /// </summary>
        private FaceDetectionEffect faceDetectionEffect;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainPage()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainPage()
        {
            InitializeComponent();

            #region 윈도우 크기를 설정한다.

            double width  = 800d;
            double height = 600d;

            double dpi = (double)DisplayInformation.GetForCurrentView().LogicalDpi;

            ApplicationView.PreferredLaunchWindowingMode = ApplicationViewWindowingMode.PreferredLaunchViewSize;

            Size windowSize = new Size(width * 96d / dpi, height * 96d / dpi);

            ApplicationView.PreferredLaunchViewSize = windowSize;

            Window.Current.Activate();

            ApplicationView.GetForCurrentView().TryResizeView(windowSize);

            #endregion
            #region 윈도우 제목을 설정한다.

            ApplicationView.GetForCurrentView().Title = "카메라를 사용해 얼굴 탐지하기";

            #endregion

            NavigationCacheMode = NavigationCacheMode.Disabled;

            Application.Current.Suspending += Application_Suspending;
            Application.Current.Resuming   += Application_Resuming;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Protected

        #region 탐색되는 경우 처리하기 - OnNavigatedTo(e)

        /// <summary>
        /// 탐색되는 경우 처리하기
        /// </summary>
        /// <param name="e">이벤트 인자</param>
        protected override async void OnNavigatedTo(NavigationEventArgs e)
        {
            await SetupUIAsync();

            await InitializeCameraAsync();
        }

        #endregion
        #region 탐색하는 경우 처리하기 - OnNavigatingFrom(e)

        /// <summary>
        /// 탐색하는 경우 처리하기
        /// </summary>
        /// <param name="e">이벤트 인자</param>
        protected override async void OnNavigatingFrom(NavigatingCancelEventArgs e)
        {
            await CleanupCameraAsync();

            await CleanupUIAsync();
        }

        #endregion

        ////////////////////////////////////////////////////////////////////////////////////////// Private
        //////////////////////////////////////////////////////////////////////////////// Event

        #region 애플리케이션 일시 중단시 처리하기 - Application_Suspending(sender, e)

        /// <summary>
        /// 애플리케이션 일시 중단시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private async void Application_Suspending(object sender, SuspendingEventArgs e)
        {
            if(Frame.CurrentSourcePageType == typeof(MainPage))
            {
                SuspendingDeferral deferral = e.SuspendingOperation.GetDeferral();

                await CleanupCameraAsync();

                await CleanupUIAsync();

                deferral.Complete();
            }
        }

        #endregion
        #region 애플리케이션 재개시 처리하기 - Application_Resuming(sender, e)

        /// <summary>
        /// 애플리케이션 재개시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private async void Application_Resuming(object sender, object e)
        {
            if(Frame.CurrentSourcePageType == typeof(MainPage))
            {
                await SetupUIAsync();

                await InitializeCameraAsync();
            }
        }

        #endregion

        #region 단순 방향 센서 방향 변경시 처리하기 - orientationSensor_OrientationChanged(sender, e)

        /// <summary>
        /// 단순 방향 센서 방향 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private async void orientationSensor_OrientationChanged
        (
            SimpleOrientationSensor                            sender,
            SimpleOrientationSensorOrientationChangedEventArgs e
        )
        {
            if(e.Orientation != SimpleOrientation.Faceup && e.Orientation != SimpleOrientation.Facedown)
            {
                this.deviceOrientation = e.Orientation;

                await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => UpdateButtonOrientation());
            }
        }

        #endregion
        #region 디스플레이 정보 방향 변경시 처리하기 - displayInformation_OrientationChanged(sender, e)

        /// <summary>
        /// 디스플레이 정보 방향 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        /// <remarks>
        /// 이 이벤트는 SetupUIAsync 함수에 설정된 DisplayInformation.AutoRotationPreferences 값이 적용되지 않을 때
        /// 페이지가 회전될 때 발생한다.
        /// </remarks>
        private async void displayInformation_OrientationChanged(DisplayInformation sender, object e)
        {
            this.displayOrientations = sender.CurrentOrientation;

            if(this.mediaEncodingProperties != null)
            {
                await SetPreviewRotationAsync();
            }

            await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => UpdateButtonOrientation());
        }

        #endregion

        #region 미디어 캡처 레코드 제한 초과시 처리하기 - mediaCapture_RecordLimitationExceeded(sender)

        /// <summary>
        /// 미디어 캡처 레코드 제한 초과시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        private async void mediaCapture_RecordLimitationExceeded(MediaCapture sender)
        {
            // 녹음을 중지해야 하며 앱에서 녹음을 완료할 것으로 예상되는 알림이다.

            await StopRecordingAsync();

            await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => UpdateCaptureControls());
        }

        #endregion
        #region 미디어 캡처 실패시 처리하기 - mediaCapture_Failed(sender, e)

        /// <summary>
        /// 미디어 캡처 실패시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private async void mediaCapture_Failed(MediaCapture sender, MediaCaptureFailedEventArgs e)
        {
            await CleanupCameraAsync();

            await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => UpdateCaptureControls());
        }

        #endregion
        #region 시스템 미디어 전송 컨트롤 속성 변경시 처리하기 - systemMediaTransportControls_PropertyChanged(sender, e)

        /// <summary>
        /// 시스템 미디어 전송 컨트롤 속성 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        /// <remarks>
        /// 앱이 최소화되는 경우 이 메소드는 미디어 속성 변경 이벤트를 처리한다.
        /// 앱이 음소거 알림을 수신하면 더 이상 포그라운드에 있지 않는다.
        /// </remarks>
        private async void systemMediaTransportControls_PropertyChanged
        (
            SystemMediaTransportControls                         sender,
            SystemMediaTransportControlsPropertyChangedEventArgs e
        )
        {
            await Dispatcher.RunAsync
            (
                CoreDispatcherPriority.Normal,
                async () =>
                {
                    // 이 페이지가 현재 표시되고 있는 경우에만 이 이벤트를 처리한다.
                    if
                    (
                        e.Property == SystemMediaTransportControlsProperty.SoundLevel &&
                        Frame.CurrentSourcePageType == typeof(MainPage)
                    )
                    {
                        // 앱이 음소거되고 있는지 확인한다. 그렇다면 최소화하고 있다.
                        // 그렇지 않으면 초기화되지 않은 경우 초점이 맞춰진다.
                        if(sender.SoundLevel == SoundLevel.Muted)
                        {
                            await CleanupCameraAsync();
                        }
                        else if (!this.isInitialized)
                        {
                            await InitializeCameraAsync();
                        }
                    }
                }
            );
        }

        #endregion

        #region 얼굴 탐지 효과 얼굴 탐지시 처리하기 - faceDetectionEffect_FaceDetected(sender, e)

        /// <summary>
        /// 얼굴 탐지 효과 얼굴 탐지시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private async void faceDetectionEffect_FaceDetected(FaceDetectionEffect sender, FaceDetectedEventArgs e)
        {
            await Dispatcher.RunAsync
            (
                CoreDispatcherPriority.Normal,
                () => HighlightDetectedFaces(e.ResultFrame.DetectedFaces)
            );
        }

        #endregion

        #region 하드웨어 버튼 카메라 PRESS 처리하기 - HardwareButtons_CameraPressed(sender, e)

        /// <summary>
        /// 하드웨어 버튼 카메라 PRESS 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private async void HardwareButtons_CameraPressed(object sender, CameraEventArgs e)
        {
            await TakePhotoAsync();
        }

        #endregion

        #region 사진 버튼 클릭시 처리하기 - photoButton_Click(sender, e)

        /// <summary>
        /// 사진 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private async void photoButton_Click(object sender, RoutedEventArgs e)
        {
            await TakePhotoAsync();
        }

        #endregion
        #region 비디오 버튼 클릭시 처리하기 - videoButton_Click(sender, e)

        /// <summary>
        /// 비디오 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private async void videoButton_Click(object sender, RoutedEventArgs e)
        {
            if(!this.isRecording)
            {
                await StartRecordingAsync();
            }
            else
            {
                await StopRecordingAsync();
            }

            UpdateCaptureControls();
        }

        #endregion
        #region 얼굴 탐지 버튼 클릭시 처리하기 - faceDetectionButton_Click(sender, e)

        /// <summary>
        /// 얼굴 탐지 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private async void faceDetectionButton_Click(object sender, RoutedEventArgs e)
        {
            if(this.faceDetectionEffect == null || !this.faceDetectionEffect.Enabled)
            {
                this.faceCanvas.Children.Clear();

                await CreateFaceDetectionEffectAsync();
            }
            else
            {
                await CleanUpFaceDetectionEffectAsync();
            }

            UpdateCaptureControls();
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////// Function

        #region 카메라 방향 구하기 - GetCameraOrientation()

        /// <summary>
        /// 카메라 방향 구하기
        /// </summary>
        /// <returns>카메라 방향</returns>
        /// <remarks>
        /// 카메라가 외부에 있는지 또는 사용자를 향하고 있는지를 고려하여 장치 방향에서 현재 카메라 방향을 계산한다.
        /// </remarks>
        private SimpleOrientation GetCameraOrientation()
        {
            if(this.externalCamera)
            {
                return SimpleOrientation.NotRotated;
            }

            SimpleOrientation targetOrientation = this.deviceOrientation;

            // 세로 우선 장치에서 카메라 센서가 기본 방향에 대해 90도 오프셋으로 장착된다는 사실을 고려한다.
            if(this.displayInformation.NativeOrientation == DisplayOrientations.Portrait)
            {
                switch(targetOrientation)
                {
                    case SimpleOrientation.Rotated90DegreesCounterclockwise :

                        targetOrientation = SimpleOrientation.NotRotated;

                        break;

                    case SimpleOrientation.Rotated180DegreesCounterclockwise :

                        targetOrientation = SimpleOrientation.Rotated90DegreesCounterclockwise;

                        break;

                    case SimpleOrientation.Rotated270DegreesCounterclockwise :

                        targetOrientation = SimpleOrientation.Rotated180DegreesCounterclockwise;

                        break;

                    case SimpleOrientation.NotRotated :

                        targetOrientation = SimpleOrientation.Rotated270DegreesCounterclockwise;

                        break;
                }
            }

            // 전면 카메라에 대해 미리보기가 미러링되는 경우 회전이 반전되어야 한다.
            if(this.mirroringPreview)
            {
                // 이것은 90도와 270도 경우에만 영향을 미친다.
                // 0도와 180도 회전은 시계 방향과 반시계 방향이 동일하기 때문이다.
                switch(targetOrientation)
                {
                    case SimpleOrientation.Rotated90DegreesCounterclockwise  : return SimpleOrientation.Rotated270DegreesCounterclockwise;
                    case SimpleOrientation.Rotated270DegreesCounterclockwise : return SimpleOrientation.Rotated90DegreesCounterclockwise;
                }
            }

            return targetOrientation;
        }

        #endregion
        #region 사진 방향 구하기 - GetPhotoOrientation(cameraOrientation)

        /// <summary>
        /// 사진 방향 구하기
        /// </summary>
        /// <param name="cameraOrientation">카메라 방향</param>
        /// <returns>사진 방향</returns>
        private static PhotoOrientation GetPhotoOrientation(SimpleOrientation cameraOrientation)
        {
            switch(cameraOrientation)
            {
                case SimpleOrientation.Rotated90DegreesCounterclockwise  : return PhotoOrientation.Rotate90;
                case SimpleOrientation.Rotated180DegreesCounterclockwise : return PhotoOrientation.Rotate180;
                case SimpleOrientation.Rotated270DegreesCounterclockwise : return PhotoOrientation.Rotate270;
                case SimpleOrientation.NotRotated                        :
                default                                                  : return PhotoOrientation.Normal;
            }
        }

        #endregion

        #region 장치 방향 각도 구하기 - GetDeviceOrientationDegrees(deviceOrientation)

        /// <summary>
        /// 장치 방향 각도 구하기
        /// </summary>
        /// <param name="deviceOrientation">장치 방향</param>
        /// <returns>장치 방향 각도</returns>
        private static int GetDeviceOrientationDegrees(SimpleOrientation deviceOrientation)
        {
            switch(deviceOrientation)
            {
                case SimpleOrientation.Rotated90DegreesCounterclockwise  : return 90;
                case SimpleOrientation.Rotated180DegreesCounterclockwise : return 180;
                case SimpleOrientation.Rotated270DegreesCounterclockwise : return 270;
                case SimpleOrientation.NotRotated                        :
                default                                                  : return 0;
            }
        }

        #endregion
        #region 디스플레이 방향 각도 구하기 - GetDisplayOrientationDegrees(displayOrientations)

        /// <summary>
        /// 디스플레이 방향 각도 구하기
        /// </summary>
        /// <param name="displayOrientations">디스플레이 방향</param>
        /// <returns>디스플레이 방향 각도 구하기</returns>
        private static int GetDisplayOrientationDegrees(DisplayOrientations displayOrientations)
        {
            switch(displayOrientations)
            {
                case DisplayOrientations.Portrait         : return 90;
                case DisplayOrientations.LandscapeFlipped : return 180;
                case DisplayOrientations.PortraitFlipped  : return 270;
                case DisplayOrientations.Landscape        :
                default                                   : return 0;
            }
        }

        #endregion

        #region 카메라 장치 정보 구하기 - GetCameraDeviceInformation(targetPanel)

        /// <summary>
        /// 카메라 장치 정보 구하기
        /// </summary>
        /// <param name="targetPanel">타겟 패널</param>
        /// <returns>카메라 장치 정보</returns>
        private static async Task<DeviceInformation> GetCameraDeviceInformation
        (
            Windows.Devices.Enumeration.Panel targetPanel
        )
        {
            // 사진 캡처에 사용할 수 있는 장치를 가져온다.
            DeviceInformationCollection collection = await DeviceInformation.FindAllAsync(DeviceClass.VideoCapture);

            // 패널별로 원하는 카메라를 가져온다.
            DeviceInformation deviceInformation = collection.FirstOrDefault
            (
                x => x.EnclosureLocation != null &&
                x.EnclosureLocation.Panel == targetPanel
            );

            // 원하는 패널에 장착된 장치가 없으면 처음 발견된 장치를 반환한다.
            return deviceInformation ?? collection.FirstOrDefault();
        }

        #endregion

        #region 버튼 방향 업데이트하기 - UpdateButtonOrientation()

        /// <summary>
        /// 버튼 방향 업데이트하기
        /// </summary>
        /// <remarks>
        /// 공간의 현재 장치 방향과 화면의 페이지 방향을 사용하여 컨트롤에 적용할 회전 변환을 계산합니다.
        /// </remarks>
        private void UpdateButtonOrientation()
        {
            int deviceOrientationDegrees   = GetDeviceOrientationDegrees (this.deviceOrientation  );
            int displayOritentationDegrees = GetDisplayOrientationDegrees(this.displayOrientations);

            if(this.displayInformation.NativeOrientation == DisplayOrientations.Portrait)
            {
                deviceOrientationDegrees -= 90;
            }

            int angle = (360 + displayOritentationDegrees + deviceOrientationDegrees) % 360;

            RotateTransform transform = new RotateTransform { Angle = angle };

            this.photoButton.RenderTransform         = transform;
            this.videoButton.RenderTransform         = transform;
            this.faceDetectionButton.RenderTransform = transform;
        }

        #endregion
        #region 캡처 컨트롤 업데이트히기 - UpdateCaptureControls()

        /// <summary>
        /// 캡처 컨트롤 업데이트히기
        /// </summary>
        /// <remarks>
        /// 이 방법은 앱의 현재 상태와 장치의 기능에 따라 아이콘을 업데이트하고
        /// 사진/비디오 버튼을 활성화/비활성화하고 표시하거나/숨긴다.
        /// </remarks>
        private void UpdateCaptureControls()
        {
            // 버튼은 미리보기가 성공적으로 시작된 경우에만 활성화되어야 한다.
            this.photoButton.IsEnabled         = this.mediaEncodingProperties != null;
            this.videoButton.IsEnabled         = this.mediaEncodingProperties != null;
            this.faceDetectionButton.IsEnabled = this.mediaEncodingProperties != null;

            // 효과 유무에 따라 얼굴 탐지 아이콘을 업데이트한다.
            this.faceDetectionSymbolIcon1.Visibility =
                (this.faceDetectionEffect != null &&  this.faceDetectionEffect.Enabled) ? Visibility.Visible : Visibility.Collapsed;

            this.faceDetectionSymbolIcon2.Visibility =
                (this.faceDetectionEffect == null || !this.faceDetectionEffect.Enabled) ? Visibility.Visible : Visibility.Collapsed;

            // 얼굴 탐지 캔버스를 숨기고 지운다.
            this.faceCanvas.Visibility =
                (this.faceDetectionEffect != null && this.faceDetectionEffect.Enabled) ? Visibility.Visible : Visibility.Collapsed;

            // 레코딩시 적색 "레코딩" 아이콘 대신 "중지" 아이콘을 표시하도록 레코딩 버튼을 업데이트한다.
            this.startVideoEllipse.Visibility  = this.isRecording ? Visibility.Collapsed : Visibility.Visible;
            this.stopVideoRectangle.Visibility = this.isRecording ? Visibility.Visible   : Visibility.Collapsed;

            // 카메라가 사진 촬영과 비디오 녹화를 동시에 지원하지 않는 경우 녹화에서 사진 버튼을 비활성화한다.
            if(this.isInitialized && !this.mediaCapture.MediaCaptureSettings.ConcurrentRecordAndPhotoSupported)
            {
                this.photoButton.IsEnabled = !this.isRecording;

                // 비활성화된 경우 버튼을 보이지 않게 하여 상호 작용할 수 없음을 분명히 한다.
                this.photoButton.Opacity = this.photoButton.IsEnabled ? 1 : 0;
            }
        }

        #endregion

        #region 이벤트 핸들러 등록하기 - RegisterEventHandlers()

        /// <summary>
        /// 이벤트 핸들러 등록하기
        /// </summary>
        private void RegisterEventHandlers()
        {
            if(ApiInformation.IsTypePresent("Windows.Phone.UI.Input.HardwareButtons"))
            {
                HardwareButtons.CameraPressed += HardwareButtons_CameraPressed;
            }

            if(this.orientationSensor != null)
            {
                this.orientationSensor.OrientationChanged += orientationSensor_OrientationChanged;

                UpdateButtonOrientation();
            }

            this.displayInformation.OrientationChanged += displayInformation_OrientationChanged;

            this.systemMediaTransportControls.PropertyChanged += systemMediaTransportControls_PropertyChanged;
        }

        #endregion
        #region 이벤트 핸들러 등록취소하기 - UnregisterEventHandlers()

        /// <summary>
        /// 이벤트 핸들러 등록취소하기
        /// </summary>
        private void UnregisterEventHandlers()
        {
            if(ApiInformation.IsTypePresent("Windows.Phone.UI.Input.HardwareButtons"))
            {
                HardwareButtons.CameraPressed -= HardwareButtons_CameraPressed;
            }

            if(this.orientationSensor != null)
            {
                this.orientationSensor.OrientationChanged -= orientationSensor_OrientationChanged;
            }

            this.displayInformation.OrientationChanged -= displayInformation_OrientationChanged;

            this.systemMediaTransportControls.PropertyChanged -= systemMediaTransportControls_PropertyChanged;
        }

        #endregion

        #region UI 셋업하기 (비동기) - SetupUIAsync()

        /// <summary>
        /// UI 셋업하기 (비동기)
        /// </summary>
        /// <returns>태스크</returns>
        /// <remarks>
        /// 페이지 방향을 잠그고 상태 표시줄(전화에서)을 숨기고
        /// 하드웨어 버튼 및 방향 센서에 대해 등록된 이벤트 핸들러를 숨기려고 시도합니다.
        /// </remarks>
        private async Task SetupUIAsync()
        {
            // 더 나은 경험을 제공하므로 CaptureElement가 회전하지 않도록 페이지를 가로 방향으로 잠그도록 시도한다.
            DisplayInformation.AutoRotationPreferences = DisplayOrientations.Landscape;

            // 상태 표시줄 숨긴다.
            if(ApiInformation.IsTypePresent("Windows.UI.ViewManagement.StatusBar"))
            {
                await Windows.UI.ViewManagement.StatusBar.GetForCurrentView().HideAsync();
            }

            // 현재 상태로 방향 변수를 채운다.
            this.displayOrientations = this.displayInformation.CurrentOrientation;

            if(this.orientationSensor != null)
            {
                this.deviceOrientation = this.orientationSensor.GetCurrentOrientation();
            }

            RegisterEventHandlers();

            StorageLibrary picturesStorageLibrary = await StorageLibrary.GetLibraryAsync(KnownLibraryId.Pictures);

            this.captureStorageFolder = picturesStorageLibrary.SaveFolder ?? ApplicationData.Current.LocalFolder;
        }

        #endregion
        #region UI 청소하기 (비동기) - CleanupUIAsync()

        /// <summary>
        /// UI 청소하기 (비동기)
        /// </summary>
        /// <returns></returns>
        /// <remarks>
        /// 하드웨어 버튼 및 방향 센서에 대한 이벤트 핸들러를 등록취소하고,
        /// 상태 표시줄(전화기에 대한) 표시를 허용하고,
        /// 페이지 방향 잠금을 제거한다.
        /// </remarks>
        private async Task CleanupUIAsync()
        {
            UnregisterEventHandlers();

            if(ApiInformation.IsTypePresent("Windows.UI.ViewManagement.StatusBar"))
            {
                await Windows.UI.ViewManagement.StatusBar.GetForCurrentView().ShowAsync();
            }

            DisplayInformation.AutoRotationPreferences = DisplayOrientations.None;
        }

        #endregion

        #region 카메라 초기화하기 (비동기) - InitializeCameraAsync()

        /// <summary>
        /// 카메라 초기화하기 (비동기)
        /// </summary>
        /// <returns></returns>
        private async Task InitializeCameraAsync()
        {
            if(this.mediaCapture == null)
            {
                // 가능한 경우 전면 카메라를 가져오는 것을 시도하고, 그렇지 않은 경우 다른 카메라 장치를 사용한다.
                DeviceInformation cameraDeviceInformation = await GetCameraDeviceInformation
                (
                    Windows.Devices.Enumeration.Panel.Front
                );

                if(cameraDeviceInformation == null)
                {
                    return;
                }

                this.mediaCapture = new MediaCapture();

                // 동영상 녹화가 최대 시간에 도달했을 때와 문제가 발생했을 때 이벤트를 등록한다.
                this.mediaCapture.RecordLimitationExceeded += mediaCapture_RecordLimitationExceeded;
                this.mediaCapture.Failed                   += mediaCapture_Failed;

                MediaCaptureInitializationSettings settings = new MediaCaptureInitializationSettings
                {
                    VideoDeviceId = cameraDeviceInformation.Id
                };

                try
                {
                    await this.mediaCapture.InitializeAsync(settings);

                    this.isInitialized = true;
                }
                catch(UnauthorizedAccessException)
                {
                }

                if(this.isInitialized)
                {
                    if
                    (
                        cameraDeviceInformation.EnclosureLocation       == null ||
                        cameraDeviceInformation.EnclosureLocation.Panel == Windows.Devices.Enumeration.Panel.Unknown
                    )
                    {
                        this.externalCamera = true;
                    }
                    else
                    {
                        this.externalCamera = false;

                        this.mirroringPreview =
                            (cameraDeviceInformation.EnclosureLocation.Panel == Windows.Devices.Enumeration.Panel.Front);
                    }

                    await StartPreviewAsync();

                    UpdateCaptureControls();
                }
            }
        }

        #endregion
        #region 카메라 청소하기 (비동기) - CleanupCameraAsync()

        /// <summary>
        /// 카메라 청소하기 (비동기)
        /// </summary>
        /// <returns>태스크</returns>
        /// <remarks>
        /// 카메라 리소스를 정리하고(비디오 녹화 및/또는 필요한 경우 미리 보기를 중지한 후)
        /// MediaCapture 이벤트에서 등록을 취소한다.
        /// </remarks>
        private async Task CleanupCameraAsync()
        {
            if(this.isInitialized)
            {
                // 정리 중 녹음이 진행 중인 경우 중지하여 녹음을 저장한다.
                if(this.isRecording)
                {
                    await StopRecordingAsync();
                }

                if(this.faceDetectionEffect != null)
                {
                    await CleanUpFaceDetectionEffectAsync();
                }

                if(this.mediaEncodingProperties != null)
                {
                    // 미리 보기를 중지하는 호출은 완성을 위해 여기에 포함되지만
                    // 나중에 MediaCapture.Dispose()에 대한 호출이 수행되는 경우
                    // 미리 보기가 해당 지점에서 자동으로 중지되므로 안전하게 제거할 수 있다.
                    await StopPreviewAsync();
                }

                this.isInitialized = false;
            }

            if(this.mediaCapture != null)
            {
                this.mediaCapture.RecordLimitationExceeded -= mediaCapture_RecordLimitationExceeded;
                this.mediaCapture.Failed                   -= mediaCapture_Failed;

                this.mediaCapture.Dispose();

                this.mediaCapture = null;
            }
        }

        #endregion

        #region 미리보기 사각형 구하기 - GetPreviewRectangle(previewResolution, previewControl)

        /// <summary>
        /// 미리보기 사각형 구하기
        /// </summary>
        /// <param name="previewResolution">미리보기 비디오 인코딩 속성</param>
        /// <param name="previewControl">미리보기 컨트롤</param>
        /// <returns>미리보기 사각형</returns>
        /// <remarks>
        /// 크기 조정 모드가 균일일 때 미리 보기 컨트롤 내에서 미리 보기 스트림을 포함하는 사각형의 크기와 위치를 계산한다.
        /// </remarks>
        public Rect GetPreviewRectangle(VideoEncodingProperties previewResolution, CaptureElement previewControl)
        {
            Rect previewRectangle = new Rect();

            // 모든 것이 올바르게 초기화되기 전에 이 함수가 호출된 경우 빈 결과를 반환한다.
            if
            (
                previewControl == null          ||
                previewControl.ActualHeight < 1 ||
                previewControl.ActualWidth  < 1 ||
                previewResolution == null       ||
                previewResolution.Height == 0   ||
                previewResolution.Width  == 0
            )
            {
                return previewRectangle;
            }

            uint streamWidth  = previewResolution.Width;
            uint streamHeight = previewResolution.Height;

            // 세로 방향의 경우 너비와 높이를 바꿔야 한다.
            if
            (
                this.displayOrientations == DisplayOrientations.Portrait ||
                this.displayOrientations == DisplayOrientations.PortraitFlipped
            )
            {
                streamWidth  = previewResolution.Height;
                streamHeight = previewResolution.Width;
            }

            // 컨트롤의 미리보기 표시 영역이 전체 너비와 높이에 걸쳐 있다고
            // 가정하여 시작한다(필요한 치수의 경우 다음에서 수정된다).
            previewRectangle.Width  = previewControl.ActualWidth;
            previewRectangle.Height = previewControl.ActualHeight;

            // UI가 미리보기보다 "넓은" 경우 레터박스가 측면에 표시된다.
            if((previewControl.ActualWidth / previewControl.ActualHeight > streamWidth / (double)streamHeight))
            {
                double scale       = previewControl.ActualHeight / streamHeight;
                double scaledWidth = streamWidth * scale;

                previewRectangle.X     = (previewControl.ActualWidth - scaledWidth) / 2.0;
                previewRectangle.Width = scaledWidth;
            }
            else // 미리보기 스트림은 UI보다 "넓음"이므로 레터박스가 상단+하단에 표시된다.
            {
                double scale        = previewControl.ActualWidth / streamWidth;
                double scaledHeight = streamHeight * scale;

                previewRectangle.Y      = (previewControl.ActualHeight - scaledHeight) / 2.0;
                previewRectangle.Height = scaledHeight;
            }

            return previewRectangle;
        }

        #endregion
        #region 미리보기 회전 설정하기 (비동기) - SetPreviewRotationAsync()

        /// <summary>
        /// 미리보기 회전 설정하기 (비동기)
        /// </summary>
        /// <returns>태스크</returns>
        /// <remarks>
        /// 장치와 관련된 UI의 현재 방향을 가져오고(AutoRotationPreferences를 준수할 수 없는 경우)
        /// 미리 보기에 수정 회전을 적용한다.
        /// </remarks>
        private async Task SetPreviewRotationAsync()
        {
            // 카메라가 장치에 장착된 경우에만 방향을 업데이트해야 한다.
            if(this.externalCamera)
            {
                return;
            }

            // 미리보기를 회전할 방향과 거리를 계산한다.
            int rotationDegrees = GetDisplayOrientationDegrees(this.displayOrientations);

            // 미리보기가 미러링되는 경우 회전 방향을 반전해야 한다.
            if(this.mirroringPreview)
            {
                rotationDegrees = (360 - rotationDegrees) % 360;
            }

            // 미리보기 스트림에 회전 메타 데이터를 추가하여 미리보기 프레임을 렌더링하고 가져올 때
            // 종횡비/치수가 일치하도록 한다.
            IMediaEncodingProperties properties = this.mediaCapture.VideoDeviceController.GetMediaStreamProperties
            (
                MediaStreamType.VideoPreview
            );

            properties.Properties.Add(_rotationKeyGUID, rotationDegrees);

            await this.mediaCapture.SetEncodingPropertiesAsync(MediaStreamType.VideoPreview, properties, null);
        }

        #endregion
        #region 미리보기 시작하기 (비동기) - StartPreviewAsync()

        /// <summary>
        /// 미리보기 시작하기 (비동기)
        /// </summary>
        /// <returns>태스크</returns>
        /// <remarks>
        /// 미리보기를 시작하고 화면을 켜두도록 요청한 후 회전 및 미러링을 위해 조정한다.
        /// </remarks>
        private async Task StartPreviewAsync()
        {
            // 미리보기가 실행되는 동안 장치가 절전 모드로 전환되지 않도록 방지한다.
            this.displayRequest.RequestActive();

            // UI에서 미리보기 소스를 설정하고 필요한 경우 미러링을 처리한다.
            this.previewCaptureElement.Source        = this.mediaCapture;
            this.previewCaptureElement.FlowDirection = this.mirroringPreview ? FlowDirection.RightToLeft : FlowDirection.LeftToRight;

            // 미리보기를 시작한다.
            await this.mediaCapture.StartPreviewAsync();

            this.mediaEncodingProperties = this.mediaCapture.VideoDeviceController.GetMediaStreamProperties
            (
                MediaStreamType.VideoPreview
            );

            // 현재 방향으로 미리보기를 초기화한다.
            if(this.mediaEncodingProperties != null)
            {
                this.displayOrientations = this.displayInformation.CurrentOrientation;

                await SetPreviewRotationAsync();
            }
        }

        #endregion
        #region 미리보기 중단하기 (비동기) - StopPreviewAsync()

        /// <summary>
        /// 미리보기 중단하기 (비동기)
        /// </summary>
        /// <returns>태스크</returns>
        /// <remarks>
        /// 미리보기를 중지하고 화면을 절전 모드로 전환할 수 있도록 표시 요청을 비활성화한다.
        /// </remarks>
        private async Task StopPreviewAsync()
        {
            // 미리보기를 중단한다.
            this.mediaEncodingProperties = null;

            await this.mediaCapture.StopPreviewAsync();

            // 이 메소드는 UI가 아닌 스레드에서 호출되는 경우가 있으므로 디스패처를 사용합니다.
            await Dispatcher.RunAsync
            (
                CoreDispatcherPriority.Normal,
                () =>
                {
                    // UI를 청소한다.
                    this.previewCaptureElement.Source = null;

                    // 미리보기가 중지되었으므로 이제 장치 화면을 절전 모드로 전환한다.
                    this.displayRequest.RequestRelease();
                }
            );
        }

        #endregion

        #region 레코딩 시작하기 (비동기) - StartRecordingAsync()

        /// <summary>
        /// 레코딩 시작하기 (비동기)
        /// </summary>
        /// <returns></returns>
        /// <remarks>
        /// MP4 비디오를 StorageFile에 녹화하고 회전 메타데이터를 추가한다.
        /// </remarks>
        private async Task StartRecordingAsync()
        {
            try
            {
                StorageFile videoStorageFile = await this.captureStorageFolder.CreateFileAsync
                (
                    "SimpleVideo.mp4",
                    CreationCollisionOption.GenerateUniqueName
                );

                MediaEncodingProfile mediaEncodingProfile = MediaEncodingProfile.CreateMp4(VideoEncodingQuality.Auto);

                // 필요한 경우 미러링을 고려하여 회전 각도를 계산한다.
                int rotationAngle = 360 - GetDeviceOrientationDegrees(GetCameraOrientation());

                mediaEncodingProfile.Video.Properties.Add(_rotationKeyGUID, PropertyValue.CreateInt32(rotationAngle));

                await this.mediaCapture.StartRecordToStorageFileAsync(mediaEncodingProfile, videoStorageFile);

                this.isRecording = true;
            }
            catch
            {
            }
        }

        #endregion
        #region 레코딩 중단하기 (비동기) - StopRecordingAsync()

        /// <summary>
        /// 레코딩 중단하기 (비동기)
        /// </summary>
        /// <returns>태스크</returns>
        private async Task StopRecordingAsync()
        {
            this.isRecording = false;

            await this.mediaCapture.StopRecordAsync();
        }

        #endregion

        #region 사진 저장하기 (비동기) - SavePhotoAsync(stream, targetFile, photoOrientation)

        /// <summary>
        /// 사진 저장하기 (비동기)
        /// </summary>
        /// <param name="stream">랜덤 액세스 스트림</param>
        /// <param name="targetFile">타겟 저장소 파일</param>
        /// <param name="photoOrientation">사진 방향</param>
        /// <returns>태스크</returns>
        private static async Task SavePhotoAsync
        (
            IRandomAccessStream stream,
            StorageFile         targetFile,
            PhotoOrientation    photoOrientation
        )
        {
            using(IRandomAccessStream sourceStream = stream)
            {
                BitmapDecoder decoder = await BitmapDecoder.CreateAsync(sourceStream);

                using(IRandomAccessStream targetStream = await targetFile.OpenAsync(FileAccessMode.ReadWrite))
                {
                    BitmapEncoder encoder = await BitmapEncoder.CreateForTranscodingAsync(targetStream, decoder);

                    BitmapPropertySet bitmapPropertySet = new BitmapPropertySet
                    {
                        {
                            "System.Photo.Orientation",
                            new BitmapTypedValue(photoOrientation, PropertyType.UInt16)
                        }
                    };

                    await encoder.BitmapProperties.SetPropertiesAsync(bitmapPropertySet);

                    await encoder.FlushAsync();
                }
            }
        }

        #endregion
        #region 사진 촬영하기 (비동기) - TakePhotoAsync()

        /// <summary>
        /// 사진 촬영하기 (비동기)
        /// </summary>
        /// <returns>태스크</returns>
        private async Task TakePhotoAsync()
        {
            this.videoButton.IsEnabled = this.mediaCapture.MediaCaptureSettings.ConcurrentRecordAndPhotoSupported;

            this.videoButton.Opacity = this.videoButton.IsEnabled ? 1 : 0;

            InMemoryRandomAccessStream stream = new InMemoryRandomAccessStream();

            await this.mediaCapture.CapturePhotoToStreamAsync(ImageEncodingProperties.CreateJpeg(), stream);

            try
            {
                StorageFile storageFile = await this.captureStorageFolder.CreateFileAsync
                (
                    "SimplePhoto.jpg",
                    CreationCollisionOption.GenerateUniqueName
                );

                PhotoOrientation photoOrientation = GetPhotoOrientation(GetCameraOrientation());

                await SavePhotoAsync(stream, storageFile, photoOrientation);
            }
            catch
            {
            }

            this.videoButton.IsEnabled = true;
            this.videoButton.Opacity   = 1;
        }

        #endregion

        #region 얼굴 탐지 효과 생성하기 (비동기) - CreateFaceDetectionEffectAsync()

        /// <summary>
        /// 얼굴 탐지 효과 생성하기 (비동기)
        /// </summary>
        /// <returns>태스크</returns>
        private async Task CreateFaceDetectionEffectAsync()
        {
            FaceDetectionEffectDefinition definition = new FaceDetectionEffectDefinition();

            definition.SynchronousDetectionEnabled = false;
            definition.DetectionMode               = FaceDetectionMode.HighPerformance;

            this.faceDetectionEffect = await this.mediaCapture.AddVideoEffectAsync
            (
                definition,
                MediaStreamType.VideoPreview
            ) as FaceDetectionEffect;

            this.faceDetectionEffect.FaceDetected += faceDetectionEffect_FaceDetected;

            this.faceDetectionEffect.DesiredDetectionInterval = TimeSpan.FromMilliseconds(33);

            this.faceDetectionEffect.Enabled = true;
        }

        #endregion
        #region 얼굴 탐지 효과 청소하기 (비동기) - CleanUpFaceDetectionEffectAsync()

        /// <summary>
        /// 얼굴 탐지 효과 청소하기 (비동기)
        /// </summary>
        /// <returns>태스크</returns>
        /// <remarks>
        /// 얼굴 탐지 효과를 비활성화 및 제거하고 얼굴 탐지를 위한 이벤트 처리기를 등록 취소한다.
        /// </remarks>
        private async Task CleanUpFaceDetectionEffectAsync()
        {
            this.faceDetectionEffect.Enabled = false;

            this.faceDetectionEffect.FaceDetected -= faceDetectionEffect_FaceDetected;

            await this.mediaCapture.RemoveEffectAsync(this.faceDetectionEffect);

            this.faceDetectionEffect = null;
        }

        #endregion
        #region 얼굴 캔버스 회전 설정하기 - SetFaceCanvasRotation()

        /// <summary>
        /// 얼굴 캔버스 회전 설정하기
        /// </summary>
        /// <remarks>
        /// 현재 표시 방향을 사용하여 얼굴 탐지 캔버스에 적용할 회전 변환을 계산하고
        /// 미리보기가 미러링되는 경우 미러링한다.
        /// </remarks>
        private void SetFaceCanvasRotation()
        {
            // 캔버스를 얼마나 회전시킬지 계산한다.
            int rotationDegrees = GetDisplayOrientationDegrees(this.displayOrientations);

            // SetPreviewRotationAsync와 마찬가지로 미리보기가 미러링되는 경우 회전 방향을 반전해야 한다.
            if(this.mirroringPreview)
            {
                rotationDegrees = (360 - rotationDegrees) % 360;
            }

            // 회전을 적용한다.
            RotateTransform transform = new RotateTransform { Angle = rotationDegrees };

            this.faceCanvas.RenderTransform = transform;

            Rect previewRect = GetPreviewRectangle
            (
                this.mediaEncodingProperties as VideoEncodingProperties,
                this.previewCaptureElement
            );

            // 세로 모드 방향의 경우 회전 후 캔버스의 너비와 높이를 바꿔 컨트롤이 계속 미리보기와 겹치도록 한다.
            if
            (
                this.displayOrientations == DisplayOrientations.Portrait ||
                this.displayOrientations == DisplayOrientations.PortraitFlipped
            )
            {
                this.faceCanvas.Width  = previewRect.Height;
                this.faceCanvas.Height = previewRect.Width;

                // 크기 조정이 컨트롤의 중앙에 영향을 미치므로 캔버스의 위치도 조정해야 한다.
                Canvas.SetLeft(this.faceCanvas, previewRect.X - (previewRect.Height - previewRect.Width ) / 2);
                Canvas.SetTop (this.faceCanvas, previewRect.Y - (previewRect.Width  - previewRect.Height) / 2);
            }
            else
            {
                this.faceCanvas.Width  = previewRect.Width;
                this.faceCanvas.Height = previewRect.Height;

                Canvas.SetLeft(this.faceCanvas, previewRect.X);
                Canvas.SetTop (this.faceCanvas, previewRect.Y);
            }

            // 미리보기가 미러링되는 경우 캔버스도 미러링한다.
            this.faceCanvas.FlowDirection = this.mirroringPreview ? FlowDirection.RightToLeft : FlowDirection.LeftToRight;
        }

        #endregion
        #region 얼굴 사각형 구하기 - GetFaceRectangle(faceBitmapBounds)

        /// <summary>
        /// 얼굴 사각형 구하기
        /// </summary>
        /// <param name="faceBitmapBounds">얼굴 비트맵 테두리</param>
        /// <returns>얼굴 사각형</returns>
        /// <remarks>
        /// 미리보기 좌표에 정의된 얼굴 정보를 가져와 미리보기 컨트롤의 위치와 크기를 고려하여 UI 좌표로 반환한다.
        /// </remarks>
        private Rectangle GetFaceRectangle(BitmapBounds faceBitmapBounds)
        {
            Rectangle rectangle = new Rectangle();

            VideoEncodingProperties previewProperties = this.mediaEncodingProperties as VideoEncodingProperties;

            // 미리보기에 대한 사용 가능한 정보가 없으면 화면 좌표로 다시 크기 조정이 불가능하므로 빈 사각형을 반환한다.
            if(previewProperties == null)
            {
                return rectangle;
            }

            // 유사하게, 차원 중 하나라도 0이면(오류 경우에만 발생) 빈 사각형을 반환한다.
            if(previewProperties.Width == 0 || previewProperties.Height == 0)
            {
                return rectangle;
            }

            double streamWidth  = previewProperties.Width;
            double streamHeight = previewProperties.Height;

            // 세로 방향의 경우 너비와 높이를 바꿔야 한다.
            if
            (
                this.displayOrientations == DisplayOrientations.Portrait ||
                this.displayOrientations == DisplayOrientations.PortraitFlipped
            )
            {
                streamHeight = previewProperties.Width;
                streamWidth  = previewProperties.Height;
            }

            // 실제 비디오 피드가 차지하는 사각형을 가져온다.
            Rect previewInUI = GetPreviewRectangle(previewProperties, previewCaptureElement);

            // 미리보기 스트림 좌표에서 창 좌표로 너비 및 높이를 크기 조정한다.
            rectangle.Width  = (faceBitmapBounds.Width  / streamWidth ) * previewInUI.Width;
            rectangle.Height = (faceBitmapBounds.Height / streamHeight) * previewInUI.Height;

            // 미리보기 스트림 좌표에서 창 좌표로 X 및 Y 좌표를 크기 조정한다.
            double x = (faceBitmapBounds.X / streamWidth ) * previewInUI.Width;
            double y = (faceBitmapBounds.Y / streamHeight) * previewInUI.Height;

            Canvas.SetLeft(rectangle, x);
            Canvas.SetTop (rectangle, y);

            return rectangle;
        }

        #endregion
        #region 탐지 얼굴 하이라이트 처리하기 - HighlightDetectedFaces(detectedFaceList)

        /// <summary>
        /// 탐지 얼굴 하이라이트 처리하기
        /// </summary>
        /// <param name="detectedFaceList">탐지 얼굴 리스트</param>
        /// <remarks>
        /// 탐지된 모든 얼굴에 대해 반복하여 Rectangle을 생성하고 FaceCanvas에 얼굴 탐지 상자로 추가한다.
        /// </remarks>
        private void HighlightDetectedFaces(IReadOnlyList<DetectedFace> detectedFaceList)
        {
            // 이전 이벤트에서 기존 사각형을 제거한다.
            this.faceCanvas.Children.Clear();

            for(int i = 0; i < detectedFaceList.Count; i++)
            {
                // 얼굴 좌표 단위는 미리보기 해상도 픽셀로 디스플레이 해상도와 스케일이 다를 수 있으므로 변환이 필요할 수 있다.
                Rectangle faceRectangle = GetFaceRectangle(detectedFaceList[i].FaceBox);

                faceRectangle.StrokeThickness = 2;
                faceRectangle.Stroke          = (i == 0 ? new SolidColorBrush(Colors.Blue) : new SolidColorBrush(Colors.DeepSkyBlue));

                this.faceCanvas.Children.Add(faceRectangle);
            }

            // 얼굴 캔버스 회전을 설정한다.
            SetFaceCanvasRotation();
        }

        #endregion
    }
}

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using System;

using System.Collections.Generic;

using System.Linq;

using System.Threading.Tasks;

using Windows.ApplicationModel;

using Windows.Devices.Enumeration;

using Windows.Devices.Sensors;

using Windows.Foundation;

using Windows.Foundation.Metadata;

using Windows.Graphics.Display;

using Windows.Graphics.Imaging;

using Windows.Media;

using Windows.Media.Core;

using Windows.Media.Capture;

using Windows.Media.FaceAnalysis;

using Windows.Media.MediaProperties;

using Windows.Phone.UI.Input;

using Windows.Storage;

using Windows.Storage.FileProperties;

using Windows.Storage.Streams;

using Windows.System.Display;

using Windows.UI;

using Windows.UI.Core;

using Windows.UI.ViewManagement;

using Windows.UI.Xaml;

using Windows.UI.Xaml.Controls;

using Windows.UI.Xaml.Media;

using Windows.UI.Xaml.Navigation;

using Windows.UI.Xaml.Shapes;

namespace TestProject

{

/// <summary>

/// 메인 페이지

/// </summary>

public sealed partial class MainPage : Page

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// 회전 키 GUID

/// </summary>

private static readonly Guid _rotationKeyGUID = new Guid("C380465D-2271-428C-9B83-ECEA3B4A85C1");

#endregion

////////////////////////////////////////////////////////////////////////////////////////// Instance

//////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// 디스플레이 정보

/// </summary>

private readonly DisplayInformation displayInformation = DisplayInformation.GetForCurrentView();

/// <summary>

/// 단순 방향 센서

/// </summary>

private readonly SimpleOrientationSensor orientationSensor = SimpleOrientationSensor.GetDefault();

/// <summary>

/// 장치 단순 방향

/// </summary>

private SimpleOrientation deviceOrientation = SimpleOrientation.NotRotated;

/// <summary>

/// 디스플레이 방향

/// </summary>

private DisplayOrientations displayOrientations = DisplayOrientations.Portrait;

/// <summary>

/// 캡처 저장소 폴더

/// </summary>

private StorageFolder captureStorageFolder = null;

/// <summary>

/// 디스플레이 요청

/// </summary>

private readonly DisplayRequest displayRequest = new DisplayRequest();

/// <summary>

/// 시스템 미디어 전송 컨트롤

/// </summary>

private readonly SystemMediaTransportControls systemMediaTransportControls = SystemMediaTransportControls.GetForCurrentView();

/// <summary>

/// 미디어 캡처

/// </summary>

private MediaCapture mediaCapture;

/// <summary>

/// 미디어 인코딩 속성

/// </summary>

private IMediaEncodingProperties mediaEncodingProperties;

/// <summary>

/// 초기화 여부

/// </summary>

private bool isInitialized;

/// <summary>

/// 레코딩 여부

/// </summary>

private bool isRecording;

/// <summary>

/// 미리보기 미러링 여부

/// </summary>

private bool mirroringPreview;

/// <summary>

/// 외부 카메라 여부

/// </summary>

private bool externalCamera;

/// <summary>

/// 얼굴 탐지 효과

/// </summary>

private FaceDetectionEffect faceDetectionEffect;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainPage()

/// <summary>

/// 생성자

/// </summary>

public MainPage()

{

InitializeComponent();

#region 윈도우 크기를 설정한다.

double width = 800d;

double height = 600d;

double dpi = (double)DisplayInformation.GetForCurrentView().LogicalDpi;

ApplicationView.PreferredLaunchWindowingMode = ApplicationViewWindowingMode.PreferredLaunchViewSize;

Size windowSize = new Size(width * 96d / dpi, height * 96d / dpi);

ApplicationView.PreferredLaunchViewSize = windowSize;

Window.Current.Activate();

ApplicationView.GetForCurrentView().TryResizeView(windowSize);

#endregion

#region 윈도우 제목을 설정한다.

ApplicationView.GetForCurrentView().Title = "카메라를 사용해 얼굴 탐지하기";

#endregion

NavigationCacheMode = NavigationCacheMode.Disabled;

Application.Current.Suspending += Application_Suspending;

Application.Current.Resuming += Application_Resuming;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Protected

#region 탐색되는 경우 처리하기 - OnNavigatedTo(e)

/// <summary>

/// 탐색되는 경우 처리하기

/// </summary>

/// <param name="e">이벤트 인자</param>

protected override async void OnNavigatedTo(NavigationEventArgs e)

{

await SetupUIAsync();

await InitializeCameraAsync();

}

#endregion

#region 탐색하는 경우 처리하기 - OnNavigatingFrom(e)

/// <summary>

/// 탐색하는 경우 처리하기

/// </summary>

/// <param name="e">이벤트 인자</param>

protected override async void OnNavigatingFrom(NavigatingCancelEventArgs e)

{

await CleanupCameraAsync();

await CleanupUIAsync();

}

#endregion

////////////////////////////////////////////////////////////////////////////////////////// Private

//////////////////////////////////////////////////////////////////////////////// Event

#region 애플리케이션 일시 중단시 처리하기 - Application_Suspending(sender, e)

/// <summary>

/// 애플리케이션 일시 중단시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private async void Application_Suspending(object sender, SuspendingEventArgs e)

{

if(Frame.CurrentSourcePageType == typeof(MainPage))

{

SuspendingDeferral deferral = e.SuspendingOperation.GetDeferral();

await CleanupCameraAsync();

await CleanupUIAsync();

deferral.Complete();

}

#endregion

#region 애플리케이션 재개시 처리하기 - Application_Resuming(sender, e)

/// <summary>

/// 애플리케이션 재개시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private async void Application_Resuming(object sender, object e)

{

if(Frame.CurrentSourcePageType == typeof(MainPage))

{

await SetupUIAsync();

await InitializeCameraAsync();

}

#endregion

#region 단순 방향 센서 방향 변경시 처리하기 - orientationSensor_OrientationChanged(sender, e)

/// <summary>

/// 단순 방향 센서 방향 변경시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private async void orientationSensor_OrientationChanged

(

SimpleOrientationSensor sender,

SimpleOrientationSensorOrientationChangedEventArgs e

)

{

if(e.Orientation != SimpleOrientation.Faceup && e.Orientation != SimpleOrientation.Facedown)

{

this.deviceOrientation = e.Orientation;

await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => UpdateButtonOrientation());

}

#endregion

#region 디스플레이 정보 방향 변경시 처리하기 - displayInformation_OrientationChanged(sender, e)

/// <summary>

/// 디스플레이 정보 방향 변경시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

/// <remarks>

/// 이 이벤트는 SetupUIAsync 함수에 설정된 DisplayInformation.AutoRotationPreferences 값이 적용되지 않을 때

/// 페이지가 회전될 때 발생한다.

/// </remarks>

private async void displayInformation_OrientationChanged(DisplayInformation sender, object e)

{

this.displayOrientations = sender.CurrentOrientation;

if(this.mediaEncodingProperties != null)

{

await SetPreviewRotationAsync();

}

await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => UpdateButtonOrientation());

}

#endregion

#region 미디어 캡처 레코드 제한 초과시 처리하기 - mediaCapture_RecordLimitationExceeded(sender)

/// <summary>

/// 미디어 캡처 레코드 제한 초과시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

private async void mediaCapture_RecordLimitationExceeded(MediaCapture sender)

{

// 녹음을 중지해야 하며 앱에서 녹음을 완료할 것으로 예상되는 알림이다.

await StopRecordingAsync();

await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => UpdateCaptureControls());

}

#endregion

#region 미디어 캡처 실패시 처리하기 - mediaCapture_Failed(sender, e)

/// <summary>

/// 미디어 캡처 실패시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private async void mediaCapture_Failed(MediaCapture sender, MediaCaptureFailedEventArgs e)

{

await CleanupCameraAsync();

await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => UpdateCaptureControls());

}

#endregion

#region 시스템 미디어 전송 컨트롤 속성 변경시 처리하기 - systemMediaTransportControls_PropertyChanged(sender, e)

/// <summary>

/// 시스템 미디어 전송 컨트롤 속성 변경시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

/// <remarks>

/// 앱이 최소화되는 경우 이 메소드는 미디어 속성 변경 이벤트를 처리한다.

/// 앱이 음소거 알림을 수신하면 더 이상 포그라운드에 있지 않는다.

/// </remarks>

private async void systemMediaTransportControls_PropertyChanged

(

SystemMediaTransportControls sender,

SystemMediaTransportControlsPropertyChangedEventArgs e

)

{

await Dispatcher.RunAsync

(

CoreDispatcherPriority.Normal,

async () =>

{

// 이 페이지가 현재 표시되고 있는 경우에만 이 이벤트를 처리한다.

(

e.Property == SystemMediaTransportControlsProperty.SoundLevel &&

Frame.CurrentSourcePageType == typeof(MainPage)

)

{

// 앱이 음소거되고 있는지 확인한다. 그렇다면 최소화하고 있다.

// 그렇지 않으면 초기화되지 않은 경우 초점이 맞춰진다.

if(sender.SoundLevel == SoundLevel.Muted)

{

await CleanupCameraAsync();

}

else if (!this.isInitialized)

{

await InitializeCameraAsync();

}

);

}

#endregion

#region 얼굴 탐지 효과 얼굴 탐지시 처리하기 - faceDetectionEffect_FaceDetected(sender, e)

/// <summary>

/// 얼굴 탐지 효과 얼굴 탐지시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private async void faceDetectionEffect_FaceDetected(FaceDetectionEffect sender, FaceDetectedEventArgs e)

{

await Dispatcher.RunAsync

(

CoreDispatcherPriority.Normal,

() => HighlightDetectedFaces(e.ResultFrame.DetectedFaces)

);

}

#endregion

#region 하드웨어 버튼 카메라 PRESS 처리하기 - HardwareButtons_CameraPressed(sender, e)

/// <summary>

/// 하드웨어 버튼 카메라 PRESS 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private async void HardwareButtons_CameraPressed(object sender, CameraEventArgs e)

{

await TakePhotoAsync();

}

#endregion

#region 사진 버튼 클릭시 처리하기 - photoButton_Click(sender, e)

/// <summary>

/// 사진 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private async void photoButton_Click(object sender, RoutedEventArgs e)

{

await TakePhotoAsync();

}

#endregion

#region 비디오 버튼 클릭시 처리하기 - videoButton_Click(sender, e)

/// <summary>

/// 비디오 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private async void videoButton_Click(object sender, RoutedEventArgs e)

{

if(!this.isRecording)

{

await StartRecordingAsync();

}

else

{

await StopRecordingAsync();

}

UpdateCaptureControls();

}

#endregion

#region 얼굴 탐지 버튼 클릭시 처리하기 - faceDetectionButton_Click(sender, e)

/// <summary>

/// 얼굴 탐지 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private async void faceDetectionButton_Click(object sender, RoutedEventArgs e)

{

if(this.faceDetectionEffect == null || !this.faceDetectionEffect.Enabled)

{

this.faceCanvas.Children.Clear();

await CreateFaceDetectionEffectAsync();

}

else

{

await CleanUpFaceDetectionEffectAsync();

}

UpdateCaptureControls();

}

#endregion

//////////////////////////////////////////////////////////////////////////////// Function

#region 카메라 방향 구하기 - GetCameraOrientation()

/// <summary>

/// 카메라 방향 구하기

/// </summary>

/// <returns>카메라 방향</returns>

/// <remarks>

/// 카메라가 외부에 있는지 또는 사용자를 향하고 있는지를 고려하여 장치 방향에서 현재 카메라 방향을 계산한다.

/// </remarks>

private SimpleOrientation GetCameraOrientation()

{

if(this.externalCamera)

{

return SimpleOrientation.NotRotated;

}

SimpleOrientation targetOrientation = this.deviceOrientation;

// 세로 우선 장치에서 카메라 센서가 기본 방향에 대해 90도 오프셋으로 장착된다는 사실을 고려한다.

if(this.displayInformation.NativeOrientation == DisplayOrientations.Portrait)

{

switch(targetOrientation)

{

case SimpleOrientation.Rotated90DegreesCounterclockwise :

targetOrientation = SimpleOrientation.NotRotated;

break;

case SimpleOrientation.Rotated180DegreesCounterclockwise :

targetOrientation = SimpleOrientation.Rotated90DegreesCounterclockwise;

break;

case SimpleOrientation.Rotated270DegreesCounterclockwise :

targetOrientation = SimpleOrientation.Rotated180DegreesCounterclockwise;

break;

case SimpleOrientation.NotRotated :

targetOrientation = SimpleOrientation.Rotated270DegreesCounterclockwise;

break;

}

// 전면 카메라에 대해 미리보기가 미러링되는 경우 회전이 반전되어야 한다.

if(this.mirroringPreview)

{

// 이것은 90도와 270도 경우에만 영향을 미친다.

// 0도와 180도 회전은 시계 방향과 반시계 방향이 동일하기 때문이다.

switch(targetOrientation)

{

case SimpleOrientation.Rotated90DegreesCounterclockwise : return SimpleOrientation.Rotated270DegreesCounterclockwise;

case SimpleOrientation.Rotated270DegreesCounterclockwise : return SimpleOrientation.Rotated90DegreesCounterclockwise;

}

return targetOrientation;

}

#endregion

#region 사진 방향 구하기 - GetPhotoOrientation(cameraOrientation)

/// <summary>

/// 사진 방향 구하기

/// </summary>

/// <param name="cameraOrientation">카메라 방향</param>

/// <returns>사진 방향</returns>

private static PhotoOrientation GetPhotoOrientation(SimpleOrientation cameraOrientation)

{

switch(cameraOrientation)

{

case SimpleOrientation.Rotated90DegreesCounterclockwise : return PhotoOrientation.Rotate90;

case SimpleOrientation.Rotated180DegreesCounterclockwise : return PhotoOrientation.Rotate180;

case SimpleOrientation.Rotated270DegreesCounterclockwise : return PhotoOrientation.Rotate270;

case SimpleOrientation.NotRotated :

default : return PhotoOrientation.Normal;

}

#endregion

#region 장치 방향 각도 구하기 - GetDeviceOrientationDegrees(deviceOrientation)

/// <summary>

/// 장치 방향 각도 구하기

/// </summary>

/// <param name="deviceOrientation">장치 방향</param>

/// <returns>장치 방향 각도</returns>

private static int GetDeviceOrientationDegrees(SimpleOrientation deviceOrientation)

{

switch(deviceOrientation)

{

case SimpleOrientation.Rotated90DegreesCounterclockwise : return 90;

case SimpleOrientation.Rotated180DegreesCounterclockwise : return 180;

case SimpleOrientation.Rotated270DegreesCounterclockwise : return 270;

case SimpleOrientation.NotRotated :

default : return 0;

}

#endregion

#region 디스플레이 방향 각도 구하기 - GetDisplayOrientationDegrees(displayOrientations)

/// <summary>

/// 디스플레이 방향 각도 구하기

/// </summary>

/// <param name="displayOrientations">디스플레이 방향</param>

/// <returns>디스플레이 방향 각도 구하기</returns>

private static int GetDisplayOrientationDegrees(DisplayOrientations displayOrientations)

{

switch(displayOrientations)

{

case DisplayOrientations.Portrait : return 90;

case DisplayOrientations.LandscapeFlipped : return 180;

case DisplayOrientations.PortraitFlipped : return 270;

case DisplayOrientations.Landscape :

default : return 0;

}

#endregion

#region 카메라 장치 정보 구하기 - GetCameraDeviceInformation(targetPanel)

/// <summary>

/// 카메라 장치 정보 구하기

/// </summary>

/// <param name="targetPanel">타겟 패널</param>

/// <returns>카메라 장치 정보</returns>

private static async Task<DeviceInformation> GetCameraDeviceInformation

(

Windows.Devices.Enumeration.Panel targetPanel

)

{

// 사진 캡처에 사용할 수 있는 장치를 가져온다.

DeviceInformationCollection collection = await DeviceInformation.FindAllAsync(DeviceClass.VideoCapture);

// 패널별로 원하는 카메라를 가져온다.

DeviceInformation deviceInformation = collection.FirstOrDefault

(

x => x.EnclosureLocation != null &&

x.EnclosureLocation.Panel == targetPanel

);

// 원하는 패널에 장착된 장치가 없으면 처음 발견된 장치를 반환한다.

return deviceInformation ?? collection.FirstOrDefault();

}

#endregion

#region 버튼 방향 업데이트하기 - UpdateButtonOrientation()

/// <summary>

/// 버튼 방향 업데이트하기

/// </summary>

/// <remarks>

/// 공간의 현재 장치 방향과 화면의 페이지 방향을 사용하여 컨트롤에 적용할 회전 변환을 계산합니다.

/// </remarks>

private void UpdateButtonOrientation()

{

int deviceOrientationDegrees = GetDeviceOrientationDegrees (this.deviceOrientation );

int displayOritentationDegrees = GetDisplayOrientationDegrees(this.displayOrientations);

if(this.displayInformation.NativeOrientation == DisplayOrientations.Portrait)

{

deviceOrientationDegrees -= 90;

}

int angle = (360 + displayOritentationDegrees + deviceOrientationDegrees) % 360;

RotateTransform transform = new RotateTransform { Angle = angle };

this.photoButton.RenderTransform = transform;

this.videoButton.RenderTransform = transform;

this.faceDetectionButton.RenderTransform = transform;

}

#endregion

#region 캡처 컨트롤 업데이트히기 - UpdateCaptureControls()

/// <summary>

/// 캡처 컨트롤 업데이트히기

/// </summary>

/// <remarks>

/// 이 방법은 앱의 현재 상태와 장치의 기능에 따라 아이콘을 업데이트하고

/// 사진/비디오 버튼을 활성화/비활성화하고 표시하거나/숨긴다.

/// </remarks>

private void UpdateCaptureControls()

{

// 버튼은 미리보기가 성공적으로 시작된 경우에만 활성화되어야 한다.

this.photoButton.IsEnabled = this.mediaEncodingProperties != null;

this.videoButton.IsEnabled = this.mediaEncodingProperties != null;

this.faceDetectionButton.IsEnabled = this.mediaEncodingProperties != null;

// 효과 유무에 따라 얼굴 탐지 아이콘을 업데이트한다.

this.faceDetectionSymbolIcon1.Visibility =

(this.faceDetectionEffect != null && this.faceDetectionEffect.Enabled) ? Visibility.Visible : Visibility.Collapsed;

this.faceDetectionSymbolIcon2.Visibility =

(this.faceDetectionEffect == null || !this.faceDetectionEffect.Enabled) ? Visibility.Visible : Visibility.Collapsed;

// 얼굴 탐지 캔버스를 숨기고 지운다.

this.faceCanvas.Visibility =

(this.faceDetectionEffect != null && this.faceDetectionEffect.Enabled) ? Visibility.Visible : Visibility.Collapsed;

// 레코딩시 적색 "레코딩" 아이콘 대신 "중지" 아이콘을 표시하도록 레코딩 버튼을 업데이트한다.

this.startVideoEllipse.Visibility = this.isRecording ? Visibility.Collapsed : Visibility.Visible;

this.stopVideoRectangle.Visibility = this.isRecording ? Visibility.Visible : Visibility.Collapsed;

// 카메라가 사진 촬영과 비디오 녹화를 동시에 지원하지 않는 경우 녹화에서 사진 버튼을 비활성화한다.

if(this.isInitialized && !this.mediaCapture.MediaCaptureSettings.ConcurrentRecordAndPhotoSupported)

{

this.photoButton.IsEnabled = !this.isRecording;

// 비활성화된 경우 버튼을 보이지 않게 하여 상호 작용할 수 없음을 분명히 한다.

this.photoButton.Opacity = this.photoButton.IsEnabled ? 1 : 0;

}

#endregion

#region 이벤트 핸들러 등록하기 - RegisterEventHandlers()

/// <summary>

/// 이벤트 핸들러 등록하기

/// </summary>

private void RegisterEventHandlers()

{

if(ApiInformation.IsTypePresent("Windows.Phone.UI.Input.HardwareButtons"))

{

HardwareButtons.CameraPressed += HardwareButtons_CameraPressed;

}

if(this.orientationSensor != null)

{

this.orientationSensor.OrientationChanged += orientationSensor_OrientationChanged;

UpdateButtonOrientation();

}

this.displayInformation.OrientationChanged += displayInformation_OrientationChanged;

this.systemMediaTransportControls.PropertyChanged += systemMediaTransportControls_PropertyChanged;

}

#endregion

#region 이벤트 핸들러 등록취소하기 - UnregisterEventHandlers()

/// <summary>

/// 이벤트 핸들러 등록취소하기

/// </summary>

private void UnregisterEventHandlers()

{

if(ApiInformation.IsTypePresent("Windows.Phone.UI.Input.HardwareButtons"))

{

HardwareButtons.CameraPressed -= HardwareButtons_CameraPressed;

}

if(this.orientationSensor != null)

{

this.orientationSensor.OrientationChanged -= orientationSensor_OrientationChanged;

}

this.displayInformation.OrientationChanged -= displayInformation_OrientationChanged;

this.systemMediaTransportControls.PropertyChanged -= systemMediaTransportControls_PropertyChanged;

}

#endregion

#region UI 셋업하기 (비동기) - SetupUIAsync()

/// <summary>

/// UI 셋업하기 (비동기)

/// </summary>

/// <returns>태스크</returns>

/// <remarks>

/// 페이지 방향을 잠그고 상태 표시줄(전화에서)을 숨기고

/// 하드웨어 버튼 및 방향 센서에 대해 등록된 이벤트 핸들러를 숨기려고 시도합니다.

/// </remarks>

private async Task SetupUIAsync()

{

// 더 나은 경험을 제공하므로 CaptureElement가 회전하지 않도록 페이지를 가로 방향으로 잠그도록 시도한다.

DisplayInformation.AutoRotationPreferences = DisplayOrientations.Landscape;

// 상태 표시줄 숨긴다.

if(ApiInformation.IsTypePresent("Windows.UI.ViewManagement.StatusBar"))

{

await Windows.UI.ViewManagement.StatusBar.GetForCurrentView().HideAsync();

}

// 현재 상태로 방향 변수를 채운다.

this.displayOrientations = this.displayInformation.CurrentOrientation;

if(this.orientationSensor != null)

{

this.deviceOrientation = this.orientationSensor.GetCurrentOrientation();

}

RegisterEventHandlers();

StorageLibrary picturesStorageLibrary = await StorageLibrary.GetLibraryAsync(KnownLibraryId.Pictures);

this.captureStorageFolder = picturesStorageLibrary.SaveFolder ?? ApplicationData.Current.LocalFolder;

}

#endregion

#region UI 청소하기 (비동기) - CleanupUIAsync()

/// <summary>

/// UI 청소하기 (비동기)

/// </summary>

/// <returns></returns>

/// <remarks>

/// 하드웨어 버튼 및 방향 센서에 대한 이벤트 핸들러를 등록취소하고,

/// 상태 표시줄(전화기에 대한) 표시를 허용하고,

/// 페이지 방향 잠금을 제거한다.

/// </remarks>

private async Task CleanupUIAsync()

{

UnregisterEventHandlers();

if(ApiInformation.IsTypePresent("Windows.UI.ViewManagement.StatusBar"))

{

await Windows.UI.ViewManagement.StatusBar.GetForCurrentView().ShowAsync();

}

DisplayInformation.AutoRotationPreferences = DisplayOrientations.None;

}

#endregion

#region 카메라 초기화하기 (비동기) - InitializeCameraAsync()

/// <summary>

/// 카메라 초기화하기 (비동기)

/// </summary>

/// <returns></returns>

private async Task InitializeCameraAsync()

{

if(this.mediaCapture == null)

{

// 가능한 경우 전면 카메라를 가져오는 것을 시도하고, 그렇지 않은 경우 다른 카메라 장치를 사용한다.

DeviceInformation cameraDeviceInformation = await GetCameraDeviceInformation

(

Windows.Devices.Enumeration.Panel.Front

);

if(cameraDeviceInformation == null)

{

return;

}

this.mediaCapture = new MediaCapture();

// 동영상 녹화가 최대 시간에 도달했을 때와 문제가 발생했을 때 이벤트를 등록한다.

this.mediaCapture.RecordLimitationExceeded += mediaCapture_RecordLimitationExceeded;

this.mediaCapture.Failed += mediaCapture_Failed;

MediaCaptureInitializationSettings settings = new MediaCaptureInitializationSettings

{

VideoDeviceId = cameraDeviceInformation.Id

};

try

{

await this.mediaCapture.InitializeAsync(settings);

this.isInitialized = true;

}

catch(UnauthorizedAccessException)

{

}

if(this.isInitialized)

{

(

cameraDeviceInformation.EnclosureLocation == null ||

cameraDeviceInformation.EnclosureLocation.Panel == Windows.Devices.Enumeration.Panel.Unknown

)

{

this.externalCamera = true;

}

else

{

this.externalCamera = false;

this.mirroringPreview =

(cameraDeviceInformation.EnclosureLocation.Panel == Windows.Devices.Enumeration.Panel.Front);

}

await StartPreviewAsync();

UpdateCaptureControls();

}

#endregion

#region 카메라 청소하기 (비동기) - CleanupCameraAsync()

/// <summary>

/// 카메라 청소하기 (비동기)

/// </summary>

/// <returns>태스크</returns>

/// <remarks>

/// 카메라 리소스를 정리하고(비디오 녹화 및/또는 필요한 경우 미리 보기를 중지한 후)

/// MediaCapture 이벤트에서 등록을 취소한다.

/// </remarks>

private async Task CleanupCameraAsync()

{

if(this.isInitialized)

{

// 정리 중 녹음이 진행 중인 경우 중지하여 녹음을 저장한다.

if(this.isRecording)

{

await StopRecordingAsync();

}

if(this.faceDetectionEffect != null)

{

await CleanUpFaceDetectionEffectAsync();

}

if(this.mediaEncodingProperties != null)

{

// 미리 보기를 중지하는 호출은 완성을 위해 여기에 포함되지만

// 나중에 MediaCapture.Dispose()에 대한 호출이 수행되는 경우

// 미리 보기가 해당 지점에서 자동으로 중지되므로 안전하게 제거할 수 있다.

await StopPreviewAsync();

}

this.isInitialized = false;

}

if(this.mediaCapture != null)

{

this.mediaCapture.RecordLimitationExceeded -= mediaCapture_RecordLimitationExceeded;

this.mediaCapture.Failed -= mediaCapture_Failed;

this.mediaCapture.Dispose();

this.mediaCapture = null;

}

#endregion

#region 미리보기 사각형 구하기 - GetPreviewRectangle(previewResolution, previewControl)

/// <summary>

/// 미리보기 사각형 구하기

/// </summary>

/// <param name="previewResolution">미리보기 비디오 인코딩 속성</param>

/// <param name="previewControl">미리보기 컨트롤</param>

/// <returns>미리보기 사각형</returns>

/// <remarks>

/// 크기 조정 모드가 균일일 때 미리 보기 컨트롤 내에서 미리 보기 스트림을 포함하는 사각형의 크기와 위치를 계산한다.

/// </remarks>

public Rect GetPreviewRectangle(VideoEncodingProperties previewResolution, CaptureElement previewControl)

{

Rect previewRectangle = new Rect();

// 모든 것이 올바르게 초기화되기 전에 이 함수가 호출된 경우 빈 결과를 반환한다.

(

previewControl == null ||

previewControl.ActualHeight < 1 ||

previewControl.ActualWidth < 1 ||

previewResolution == null ||

previewResolution.Height == 0 ||

previewResolution.Width == 0

)

{

return previewRectangle;

}

uint streamWidth = previewResolution.Width;

uint streamHeight = previewResolution.Height;

// 세로 방향의 경우 너비와 높이를 바꿔야 한다.

(

this.displayOrientations == DisplayOrientations.Portrait ||

this.displayOrientations == DisplayOrientations.PortraitFlipped

)

{

streamWidth = previewResolution.Height;

streamHeight = previewResolution.Width;

}

// 컨트롤의 미리보기 표시 영역이 전체 너비와 높이에 걸쳐 있다고

// 가정하여 시작한다(필요한 치수의 경우 다음에서 수정된다).

previewRectangle.Width = previewControl.ActualWidth;

previewRectangle.Height = previewControl.ActualHeight;

// UI가 미리보기보다 "넓은" 경우 레터박스가 측면에 표시된다.

if((previewControl.ActualWidth / previewControl.ActualHeight > streamWidth / (double)streamHeight))

{

double scale = previewControl.ActualHeight / streamHeight;

double scaledWidth = streamWidth * scale;

previewRectangle.X = (previewControl.ActualWidth - scaledWidth) / 2.0;

previewRectangle.Width = scaledWidth;

}

else // 미리보기 스트림은 UI보다 "넓음"이므로 레터박스가 상단+하단에 표시된다.

{

double scale = previewControl.ActualWidth / streamWidth;

double scaledHeight = streamHeight * scale;

previewRectangle.Y = (previewControl.ActualHeight - scaledHeight) / 2.0;

previewRectangle.Height = scaledHeight;

}

return previewRectangle;

}

#endregion

#region 미리보기 회전 설정하기 (비동기) - SetPreviewRotationAsync()

/// <summary>

/// 미리보기 회전 설정하기 (비동기)

/// </summary>

/// <returns>태스크</returns>

/// <remarks>

/// 장치와 관련된 UI의 현재 방향을 가져오고(AutoRotationPreferences를 준수할 수 없는 경우)

/// 미리 보기에 수정 회전을 적용한다.

/// </remarks>

private async Task SetPreviewRotationAsync()

{

// 카메라가 장치에 장착된 경우에만 방향을 업데이트해야 한다.

if(this.externalCamera)

{

return;

}

// 미리보기를 회전할 방향과 거리를 계산한다.

int rotationDegrees = GetDisplayOrientationDegrees(this.displayOrientations);

// 미리보기가 미러링되는 경우 회전 방향을 반전해야 한다.

if(this.mirroringPreview)

{

rotationDegrees = (360 - rotationDegrees) % 360;

}

// 미리보기 스트림에 회전 메타 데이터를 추가하여 미리보기 프레임을 렌더링하고 가져올 때

// 종횡비/치수가 일치하도록 한다.

IMediaEncodingProperties properties = this.mediaCapture.VideoDeviceController.GetMediaStreamProperties

(

MediaStreamType.VideoPreview

);

properties.Properties.Add(_rotationKeyGUID, rotationDegrees);

await this.mediaCapture.SetEncodingPropertiesAsync(MediaStreamType.VideoPreview, properties, null);

}

#endregion

#region 미리보기 시작하기 (비동기) - StartPreviewAsync()

/// <summary>

/// 미리보기 시작하기 (비동기)

/// </summary>

/// <returns>태스크</returns>

/// <remarks>

/// 미리보기를 시작하고 화면을 켜두도록 요청한 후 회전 및 미러링을 위해 조정한다.

/// </remarks>

private async Task StartPreviewAsync()

{

// 미리보기가 실행되는 동안 장치가 절전 모드로 전환되지 않도록 방지한다.

this.displayRequest.RequestActive();

// UI에서 미리보기 소스를 설정하고 필요한 경우 미러링을 처리한다.

this.previewCaptureElement.Source = this.mediaCapture;

this.previewCaptureElement.FlowDirection = this.mirroringPreview ? FlowDirection.RightToLeft : FlowDirection.LeftToRight;

// 미리보기를 시작한다.

await this.mediaCapture.StartPreviewAsync();

this.mediaEncodingProperties = this.mediaCapture.VideoDeviceController.GetMediaStreamProperties

(

MediaStreamType.VideoPreview

);

// 현재 방향으로 미리보기를 초기화한다.

if(this.mediaEncodingProperties != null)

{

this.displayOrientations = this.displayInformation.CurrentOrientation;

await SetPreviewRotationAsync();

}

#endregion

#region 미리보기 중단하기 (비동기) - StopPreviewAsync()

/// <summary>

/// 미리보기 중단하기 (비동기)

/// </summary>

/// <returns>태스크</returns>

/// <remarks>

/// 미리보기를 중지하고 화면을 절전 모드로 전환할 수 있도록 표시 요청을 비활성화한다.

/// </remarks>

private async Task StopPreviewAsync()

{

// 미리보기를 중단한다.

this.mediaEncodingProperties = null;

await this.mediaCapture.StopPreviewAsync();

// 이 메소드는 UI가 아닌 스레드에서 호출되는 경우가 있으므로 디스패처를 사용합니다.

await Dispatcher.RunAsync

(

CoreDispatcherPriority.Normal,

() =>

{

// UI를 청소한다.

this.previewCaptureElement.Source = null;

// 미리보기가 중지되었으므로 이제 장치 화면을 절전 모드로 전환한다.

this.displayRequest.RequestRelease();

}

);

}

#endregion

#region 레코딩 시작하기 (비동기) - StartRecordingAsync()

/// <summary>

/// 레코딩 시작하기 (비동기)

/// </summary>

/// <returns></returns>

/// <remarks>

/// MP4 비디오를 StorageFile에 녹화하고 회전 메타데이터를 추가한다.

/// </remarks>

private async Task StartRecordingAsync()

{

try

{

StorageFile videoStorageFile = await this.captureStorageFolder.CreateFileAsync

(

"SimpleVideo.mp4",

CreationCollisionOption.GenerateUniqueName

);

MediaEncodingProfile mediaEncodingProfile = MediaEncodingProfile.CreateMp4(VideoEncodingQuality.Auto);

// 필요한 경우 미러링을 고려하여 회전 각도를 계산한다.

int rotationAngle = 360 - GetDeviceOrientationDegrees(GetCameraOrientation());

mediaEncodingProfile.Video.Properties.Add(_rotationKeyGUID, PropertyValue.CreateInt32(rotationAngle));

await this.mediaCapture.StartRecordToStorageFileAsync(mediaEncodingProfile, videoStorageFile);

this.isRecording = true;

}

catch

{

}

#endregion

#region 레코딩 중단하기 (비동기) - StopRecordingAsync()

/// <summary>

/// 레코딩 중단하기 (비동기)

/// </summary>

/// <returns>태스크</returns>

private async Task StopRecordingAsync()

{

this.isRecording = false;

await this.mediaCapture.StopRecordAsync();

}

#endregion

#region 사진 저장하기 (비동기) - SavePhotoAsync(stream, targetFile, photoOrientation)

/// <summary>

/// 사진 저장하기 (비동기)

/// </summary>

/// <param name="stream">랜덤 액세스 스트림</param>

/// <param name="targetFile">타겟 저장소 파일</param>

/// <param name="photoOrientation">사진 방향</param>

/// <returns>태스크</returns>

private static async Task SavePhotoAsync

(

IRandomAccessStream stream,

StorageFile targetFile,

PhotoOrientation photoOrientation

)

{

using(IRandomAccessStream sourceStream = stream)

{

BitmapDecoder decoder = await BitmapDecoder.CreateAsync(sourceStream);

using(IRandomAccessStream targetStream = await targetFile.OpenAsync(FileAccessMode.ReadWrite))

{

BitmapEncoder encoder = await BitmapEncoder.CreateForTranscodingAsync(targetStream, decoder);

BitmapPropertySet bitmapPropertySet = new BitmapPropertySet

{

"System.Photo.Orientation",

new BitmapTypedValue(photoOrientation, PropertyType.UInt16)

}

};

await encoder.BitmapProperties.SetPropertiesAsync(bitmapPropertySet);

await encoder.FlushAsync();

}

#endregion

#region 사진 촬영하기 (비동기) - TakePhotoAsync()

/// <summary>

/// 사진 촬영하기 (비동기)

/// </summary>

/// <returns>태스크</returns>

private async Task TakePhotoAsync()

{

this.videoButton.IsEnabled = this.mediaCapture.MediaCaptureSettings.ConcurrentRecordAndPhotoSupported;

this.videoButton.Opacity = this.videoButton.IsEnabled ? 1 : 0;

InMemoryRandomAccessStream stream = new InMemoryRandomAccessStream();

await this.mediaCapture.CapturePhotoToStreamAsync(ImageEncodingProperties.CreateJpeg(), stream);

try

{

StorageFile storageFile = await this.captureStorageFolder.CreateFileAsync

(

"SimplePhoto.jpg",

CreationCollisionOption.GenerateUniqueName

);

PhotoOrientation photoOrientation = GetPhotoOrientation(GetCameraOrientation());

await SavePhotoAsync(stream, storageFile, photoOrientation);

}

catch

{

}

this.videoButton.IsEnabled = true;

this.videoButton.Opacity = 1;

}

#endregion

#region 얼굴 탐지 효과 생성하기 (비동기) - CreateFaceDetectionEffectAsync()

/// <summary>

/// 얼굴 탐지 효과 생성하기 (비동기)

/// </summary>

/// <returns>태스크</returns>

private async Task CreateFaceDetectionEffectAsync()

{

FaceDetectionEffectDefinition definition = new FaceDetectionEffectDefinition();

definition.SynchronousDetectionEnabled = false;

definition.DetectionMode = FaceDetectionMode.HighPerformance;

this.faceDetectionEffect = await this.mediaCapture.AddVideoEffectAsync

(

definition,

MediaStreamType.VideoPreview

) as FaceDetectionEffect;

this.faceDetectionEffect.FaceDetected += faceDetectionEffect_FaceDetected;

this.faceDetectionEffect.DesiredDetectionInterval = TimeSpan.FromMilliseconds(33);

this.faceDetectionEffect.Enabled = true;

}

#endregion

#region 얼굴 탐지 효과 청소하기 (비동기) - CleanUpFaceDetectionEffectAsync()

/// <summary>

/// 얼굴 탐지 효과 청소하기 (비동기)

/// </summary>

/// <returns>태스크</returns>

/// <remarks>

/// 얼굴 탐지 효과를 비활성화 및 제거하고 얼굴 탐지를 위한 이벤트 처리기를 등록 취소한다.

/// </remarks>

private async Task CleanUpFaceDetectionEffectAsync()

{

this.faceDetectionEffect.Enabled = false;

this.faceDetectionEffect.FaceDetected -= faceDetectionEffect_FaceDetected;

await this.mediaCapture.RemoveEffectAsync(this.faceDetectionEffect);

this.faceDetectionEffect = null;

}

#endregion

#region 얼굴 캔버스 회전 설정하기 - SetFaceCanvasRotation()

/// <summary>

/// 얼굴 캔버스 회전 설정하기

/// </summary>

/// <remarks>

/// 현재 표시 방향을 사용하여 얼굴 탐지 캔버스에 적용할 회전 변환을 계산하고

/// 미리보기가 미러링되는 경우 미러링한다.

/// </remarks>

private void SetFaceCanvasRotation()

{

// 캔버스를 얼마나 회전시킬지 계산한다.

int rotationDegrees = GetDisplayOrientationDegrees(this.displayOrientations);

// SetPreviewRotationAsync와 마찬가지로 미리보기가 미러링되는 경우 회전 방향을 반전해야 한다.

if(this.mirroringPreview)

{

rotationDegrees = (360 - rotationDegrees) % 360;

}

// 회전을 적용한다.

RotateTransform transform = new RotateTransform { Angle = rotationDegrees };

this.faceCanvas.RenderTransform = transform;

Rect previewRect = GetPreviewRectangle

(

this.mediaEncodingProperties as VideoEncodingProperties,

this.previewCaptureElement

);

// 세로 모드 방향의 경우 회전 후 캔버스의 너비와 높이를 바꿔 컨트롤이 계속 미리보기와 겹치도록 한다.

(

this.displayOrientations == DisplayOrientations.Portrait ||

this.displayOrientations == DisplayOrientations.PortraitFlipped

)

{

this.faceCanvas.Width = previewRect.Height;

this.faceCanvas.Height = previewRect.Width;

// 크기 조정이 컨트롤의 중앙에 영향을 미치므로 캔버스의 위치도 조정해야 한다.

Canvas.SetLeft(this.faceCanvas, previewRect.X - (previewRect.Height - previewRect.Width ) / 2);

Canvas.SetTop (this.faceCanvas, previewRect.Y - (previewRect.Width - previewRect.Height) / 2);

}

else

{

this.faceCanvas.Width = previewRect.Width;

this.faceCanvas.Height = previewRect.Height;

Canvas.SetLeft(this.faceCanvas, previewRect.X);

Canvas.SetTop (this.faceCanvas, previewRect.Y);

}

// 미리보기가 미러링되는 경우 캔버스도 미러링한다.

this.faceCanvas.FlowDirection = this.mirroringPreview ? FlowDirection.RightToLeft : FlowDirection.LeftToRight;

}

#endregion

#region 얼굴 사각형 구하기 - GetFaceRectangle(faceBitmapBounds)

/// <summary>

/// 얼굴 사각형 구하기

/// </summary>

/// <param name="faceBitmapBounds">얼굴 비트맵 테두리</param>

/// <returns>얼굴 사각형</returns>

/// <remarks>

/// 미리보기 좌표에 정의된 얼굴 정보를 가져와 미리보기 컨트롤의 위치와 크기를 고려하여 UI 좌표로 반환한다.

/// </remarks>

private Rectangle GetFaceRectangle(BitmapBounds faceBitmapBounds)

{

Rectangle rectangle = new Rectangle();

VideoEncodingProperties previewProperties = this.mediaEncodingProperties as VideoEncodingProperties;

// 미리보기에 대한 사용 가능한 정보가 없으면 화면 좌표로 다시 크기 조정이 불가능하므로 빈 사각형을 반환한다.

if(previewProperties == null)

{

return rectangle;

}

// 유사하게, 차원 중 하나라도 0이면(오류 경우에만 발생) 빈 사각형을 반환한다.

if(previewProperties.Width == 0 || previewProperties.Height == 0)

{

return rectangle;

}

double streamWidth = previewProperties.Width;

double streamHeight = previewProperties.Height;

// 세로 방향의 경우 너비와 높이를 바꿔야 한다.

(

this.displayOrientations == DisplayOrientations.Portrait ||

this.displayOrientations == DisplayOrientations.PortraitFlipped

)

{

streamHeight = previewProperties.Width;

streamWidth = previewProperties.Height;

}

// 실제 비디오 피드가 차지하는 사각형을 가져온다.

Rect previewInUI = GetPreviewRectangle(previewProperties, previewCaptureElement);

// 미리보기 스트림 좌표에서 창 좌표로 너비 및 높이를 크기 조정한다.

rectangle.Width = (faceBitmapBounds.Width / streamWidth ) * previewInUI.Width;

rectangle.Height = (faceBitmapBounds.Height / streamHeight) * previewInUI.Height;

// 미리보기 스트림 좌표에서 창 좌표로 X 및 Y 좌표를 크기 조정한다.

double x = (faceBitmapBounds.X / streamWidth ) * previewInUI.Width;

double y = (faceBitmapBounds.Y / streamHeight) * previewInUI.Height;

Canvas.SetLeft(rectangle, x);

Canvas.SetTop (rectangle, y);

return rectangle;

}

#endregion

#region 탐지 얼굴 하이라이트 처리하기 - HighlightDetectedFaces(detectedFaceList)

/// <summary>

/// 탐지 얼굴 하이라이트 처리하기

/// </summary>

/// <param name="detectedFaceList">탐지 얼굴 리스트</param>

/// <remarks>

/// 탐지된 모든 얼굴에 대해 반복하여 Rectangle을 생성하고 FaceCanvas에 얼굴 탐지 상자로 추가한다.

/// </remarks>

private void HighlightDetectedFaces(IReadOnlyList<DetectedFace> detectedFaceList)

{

// 이전 이벤트에서 기존 사각형을 제거한다.

this.faceCanvas.Children.Clear();

for(int i = 0; i < detectedFaceList.Count; i++)

{

// 얼굴 좌표 단위는 미리보기 해상도 픽셀로 디스플레이 해상도와 스케일이 다를 수 있으므로 변환이 필요할 수 있다.

Rectangle faceRectangle = GetFaceRectangle(detectedFaceList[i].FaceBox);

faceRectangle.StrokeThickness = 2;

faceRectangle.Stroke = (i == 0 ? new SolidColorBrush(Colors.Blue) : new SolidColorBrush(Colors.DeepSkyBlue));

this.faceCanvas.Children.Add(faceRectangle);

}

// 얼굴 캔버스 회전을 설정한다.

SetFaceCanvasRotation();

}

#endregion

}

▶ App.xaml


<Application x:Class="TestProject.App"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
</Application>

<Application x:Class="TestProject.App"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">

</Application>

▶ App.xaml.cs


using System;
using System.Diagnostics;
using Windows.ApplicationModel.Activation;
using Windows.Globalization;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Navigation;

namespace TestProject
{
    /// <summary>
    /// 앱
    /// </summary>
    sealed partial class App : Application
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - App()

        /// <summary>
        /// 생성자
        /// </summary>
        public App()
        {
            InitializeComponent();
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Protected

        #region 시작시 처리하기 - OnLaunched(e)

        /// <summary>
        /// 시작시 처리하기
        /// </summary>
        /// <param name="e">이벤트 인자</param>
        protected override void OnLaunched(LaunchActivatedEventArgs e)
        {
#if DEBUG
            if(Debugger.IsAttached)
            {
                DebugSettings.EnableFrameRateCounter = true;
            }
#endif

            Frame rootFrame = Window.Current.Content as Frame;

            if(rootFrame == null)
            {
                rootFrame = new Frame();

                rootFrame.Language = ApplicationLanguages.Languages[0];

                rootFrame.NavigationFailed += rootFrame_NavigationFailed;

                Window.Current.Content = rootFrame;
            }

            if(rootFrame.Content == null)
            {
                rootFrame.Navigate(typeof(MainPage), e.Arguments);
            }

            Window.Current.Activate();
        }

        #endregion

        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region 루트 프레임 네비게이션 실패시 처리하기 - rootFrame_NavigationFailed(sender, e)

        /// <summary>
        /// 루트 프레임 네비게이션 실패시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        void rootFrame_NavigationFailed(object sender, NavigationFailedEventArgs e)
        {
            throw new Exception($"페이지 로드를 실패했습니다 : {e.SourcePageType.FullName}");
        }

        #endregion
    }
}

using System;

using System.Diagnostics;

using Windows.ApplicationModel.Activation;

using Windows.Globalization;

using Windows.UI.Xaml;

using Windows.UI.Xaml.Controls;

using Windows.UI.Xaml.Navigation;

namespace TestProject

{

/// <summary>

/// 앱

/// </summary>

sealed partial class App : Application

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - App()

/// <summary>

/// 생성자

/// </summary>

public App()

{

InitializeComponent();

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Protected

#region 시작시 처리하기 - OnLaunched(e)

/// <summary>

/// 시작시 처리하기

/// </summary>

/// <param name="e">이벤트 인자</param>

protected override void OnLaunched(LaunchActivatedEventArgs e)

{

#if DEBUG

if(Debugger.IsAttached)

{

DebugSettings.EnableFrameRateCounter = true;

}

#endif

Frame rootFrame = Window.Current.Content as Frame;

if(rootFrame == null)

{

rootFrame = new Frame();

rootFrame.Language = ApplicationLanguages.Languages[0];

rootFrame.NavigationFailed += rootFrame_NavigationFailed;

Window.Current.Content = rootFrame;

}

if(rootFrame.Content == null)

{

rootFrame.Navigate(typeof(MainPage), e.Arguments);

}

Window.Current.Activate();

}

#endregion

////////////////////////////////////////////////////////////////////////////////////////// Private

#region 루트 프레임 네비게이션 실패시 처리하기 - rootFrame_NavigationFailed(sender, e)

/// <summary>

/// 루트 프레임 네비게이션 실패시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

void rootFrame_NavigationFailed(object sender, NavigationFailedEventArgs e)

{

throw new Exception($"페이지 로드를 실패했습니다 : {e.SourcePageType.FullName}");

}

#endregion

}

TestProject.zip

[C#/COMMON] 카메라 정보 조회하기

■ 카메라 정보를 조회하는 방법을 보여준다. ▶ Program.cs


using System;
using System.Management;

namespace TestProject
{
    /// <summary>
    /// 프로그램
    /// </summary>
    class Program
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Private

        #region 프로그램 시작하기 - Main()

        /// <summary>
        /// 프로그램 시작하기
        /// </summary>
        private static void Main()
        {
            string cameraName = "USB2.0 PC CAMERA";

            string queryString1 = "Select * From Win32_USBControllerDevice";

            using(ManagementObjectSearcher searcher1 = new ManagementObjectSearcher(queryString1))
            {
                ManagementObjectCollection collection1 = searcher1.Get();

                foreach(ManagementBaseObject item1 in collection1)
                {
                    string dependent = item1.GetPropertyValue("Dependent") as string;

                    string deviceID = (dependent.Split(new string[] { "DeviceID=" }, 2, StringSplitOptions.None)[1]);

                    string queryString2 = $"Select * From Win32_PnpEntity Where PNPClass = 'Camera' And PNPDeviceID = {deviceID}";

                    using(ManagementObjectSearcher searcher2 = new ManagementObjectSearcher(queryString2))
                    {
                        ManagementObjectCollection collection2 = searcher2.Get();

                        foreach(ManagementBaseObject item2 in collection2)
                        {
                            string caption = item2.GetPropertyValue("Caption") as string;

                            if(caption != cameraName)
                            {
                                continue;
                            }

                            foreach(PropertyData propertyData in item2.Properties)
                            {
                                Console.WriteLine($"{propertyData.Name} : {propertyData.Value}");
                            }

                            Console.WriteLine();
                        }

                        collection2.Dispose();
                    }
                }

                collection1.Dispose();
            }
        }

        #endregion
    }
}

using System;

using System.Management;

namespace TestProject

{

/// <summary>

/// 프로그램

/// </summary>

class Program

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Private

#region 프로그램 시작하기 - Main()

/// <summary>

/// 프로그램 시작하기

/// </summary>

private static void Main()

{

string cameraName = "USB2.0 PC CAMERA";

string queryString1 = "Select * From Win32_USBControllerDevice";

using(ManagementObjectSearcher searcher1 = new ManagementObjectSearcher(queryString1))

{

ManagementObjectCollection collection1 = searcher1.Get();

foreach(ManagementBaseObject item1 in collection1)

{

string dependent = item1.GetPropertyValue("Dependent") as string;

string deviceID = (dependent.Split(new string[] { "DeviceID=" }, 2, StringSplitOptions.None)[1]);

string queryString2 = $"Select * From Win32_PnpEntity Where PNPClass = 'Camera' And PNPDeviceID = {deviceID}";

using(ManagementObjectSearcher searcher2 = new ManagementObjectSearcher(queryString2))

{

ManagementObjectCollection collection2 = searcher2.Get();

foreach(ManagementBaseObject item2 in collection2)

{

string caption = item2.GetPropertyValue("Caption") as string;

if(caption != cameraName)

{

continue;

}

foreach(PropertyData propertyData in item2.Properties)

{

Console.WriteLine($"{propertyData.Name} : {propertyData.Value}");

}

Console.WriteLine();

}

collection2.Dispose();

}

collection1.Dispose();

}

#endregion

}

TestProject.zip

[POWERSHELL] Get-CimInstance 명령 : 카메라 인스턴스 ID 구하기

■ Get-CimInstance 명령을 사용해 카메라 인스턴스 ID를 구하는 방법을 보여준다. ▶ 실행 명령


$id = (Get-CimInstance -Class Win32_PnpEntity | where pnpclass -match 'camera').pnpDeviceID

$id

$id = (Get-CimInstance -Class Win32_PnpEntity | where pnpclass -match 'camera').pnpDeviceID

$id

[OS/WINDOWS] wmic 명령 : 카메라 물리적 장치 객체명(Physical Device Object Name) 구하기

■ wmic 명령을 사용해 카메라의 물리적 장치 객체명(Physical Device Object Name)을 구하는 방법을 보여준다. ▶ 실행 명령


wmic path Win32_PnPSignedDriver where "FriendlyName LIKE '%camera%'" get DeviceName,FriendlyName,PDO

wmic path Win32_PnPSignedDriver where "DeviceName = 'USB Video Device' and PDO LIKE '\\Device\\%'" get DeviceName,FriendlyName,PDO

wmic path Win32_PnPSignedDriver where "FriendlyName LIKE '%camera%'" get DeviceName,FriendlyName,PDO

wmic path Win32_PnPSignedDriver where "DeviceName = 'USB Video Device' and PDO LIKE '\\Device\\%'" get DeviceName,FriendlyName,PDO

[POWERSHELL] Get-PnpDevice 명령 : 첫번째 카메라 인스턴스 ID 구하기

■ Get-PnpDevice 명령을 사용해 첫번째 카메라의 인스턴스 ID를 구하는 방법을 보여준다. ▶ 실행 명령


Get-PnpDevice -FriendlyName *camera*,*webcam* -Class camera,image |
Select-Object -Property InstanceId |
Select-Object -First 1

Get-PnpDevice -FriendlyName *camera*,*webcam* -Class camera,image |

Select-Object -Property InstanceId |

Select-Object -First 1

1. [장치 관리자] 대화 상자의 [카메라] /

[C#/COMMON] USB 케이블 연결 카메라에서 사진 파일 복사하기

■ USB 케이블 연결 카메라에서 사진 파일을 복사하는 방법을 보여준다. ▶ Program.cs


using System;
using System.Collections.Generic;
using System.IO;

using MediaDevices;

namespace TestProject
{
    /// <summary>
    /// 프로그램
    /// </summary>
    class Program
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Private

        #region 프로그램 시작하기 - Main()

        /// <summary>
        /// 프로그램 시작하기
        /// </summary>
        private static void Main()
        {
            string cameraName              = "Canon PowerShot SX230 HS";
            string sourceRootDirectoryPath = @"\\이동식 저장소\DCIM";
            string targetRootDirectoryPath = @"D:\Camera";

            IEnumerable<MediaDevice> mediaDeviceEnumerable = MediaDevice.GetDevices();

            foreach(MediaDevice mediaDevice in mediaDeviceEnumerable)
            {
                Console.WriteLine($"CAMERA NAME : {mediaDevice.FriendlyName}");

                if(mediaDevice.FriendlyName.Contains(cameraName))
                {
                    mediaDevice.Connect();

                    string[] sourceDirectoryPathArray = mediaDevice.GetDirectories(sourceRootDirectoryPath);

                    foreach(string sourceDirectoryPath in sourceDirectoryPathArray)
                    {
                        Console.WriteLine($"  SOURCE DIRECTORY PATH : {sourceDirectoryPath}");
                        Console.WriteLine();

                        string sourceDirectoryName = sourceDirectoryPath.TrimEnd('\\');

                        sourceDirectoryName = sourceDirectoryName.Substring(sourceDirectoryName.LastIndexOf('\\') + 1);

                        string[] sourceFilePathArray = mediaDevice.GetFiles(sourceDirectoryPath);

                        foreach(string sourceFilePath in sourceFilePathArray)
                        {
                            Console.WriteLine($"    SOURCE FILE PATH : {sourceFilePath}");

                            MemoryStream memoryStream = new MemoryStream();

                            mediaDevice.DownloadFile(sourceFilePath, memoryStream);

                            memoryStream.Position = 0;

                            string sourceFileName = sourceFilePath.TrimEnd('\\');

                            sourceFileName = sourceFileName.Substring(sourceFileName.LastIndexOf('\\') + 1);

                            string targetDirectoryPath = Path.Combine(targetRootDirectoryPath, sourceDirectoryName);

                            if(!Directory.Exists(targetDirectoryPath))
                            {
                                Directory.CreateDirectory(targetDirectoryPath);
                            }

                            string targetFilePath = Path.Combine(targetRootDirectoryPath, sourceDirectoryName, sourceFileName);

                            Console.WriteLine($"    TARGET FILE PATH : {targetFilePath}");
                            Console.WriteLine();

                            CopyFile(memoryStream, targetFilePath);
                        }
                    }
                }
            }
        }

        #endregion
        #region 파일 복사하기 - CopyFile(sourceStream, targetFilePath)

        /// <summary>
        /// 파일 복사하기
        /// </summary>
        /// <param name="sourceStream">소스 스트림</param>
        /// <param name="targetFilePath">타겟 파일 경로</param>
        private static void CopyFile(Stream sourceStream, string targetFilePath)
        {
            using(FileStream targetStream = new FileStream(targetFilePath, FileMode.Create, FileAccess.Write))
            {
                byte[] targetByteArray = new byte[sourceStream.Length];

                sourceStream.Read(targetByteArray, 0, (int)sourceStream.Length);

                targetStream.Write(targetByteArray, 0, targetByteArray.Length);

                sourceStream.Close();
            }
        }

        #endregion
    }
}

100

101

102

103

104

105

106

107

108

109

110

111

using System;

using System.Collections.Generic;

using System.IO;

using MediaDevices;

namespace TestProject

{

/// <summary>

/// 프로그램

/// </summary>

class Program

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Private

#region 프로그램 시작하기 - Main()

/// <summary>

/// 프로그램 시작하기

/// </summary>

private static void Main()

{

string cameraName = "Canon PowerShot SX230 HS";

string sourceRootDirectoryPath = @"\\이동식 저장소\DCIM";

string targetRootDirectoryPath = @"D:\Camera";

IEnumerable<MediaDevice> mediaDeviceEnumerable = MediaDevice.GetDevices();

foreach(MediaDevice mediaDevice in mediaDeviceEnumerable)

{

Console.WriteLine($"CAMERA NAME : {mediaDevice.FriendlyName}");

if(mediaDevice.FriendlyName.Contains(cameraName))

{

mediaDevice.Connect();

string[] sourceDirectoryPathArray = mediaDevice.GetDirectories(sourceRootDirectoryPath);

foreach(string sourceDirectoryPath in sourceDirectoryPathArray)

{

Console.WriteLine($" SOURCE DIRECTORY PATH : {sourceDirectoryPath}");

Console.WriteLine();

string sourceDirectoryName = sourceDirectoryPath.TrimEnd('\\');

sourceDirectoryName = sourceDirectoryName.Substring(sourceDirectoryName.LastIndexOf('\\') + 1);

string[] sourceFilePathArray = mediaDevice.GetFiles(sourceDirectoryPath);

foreach(string sourceFilePath in sourceFilePathArray)

{

Console.WriteLine($" SOURCE FILE PATH : {sourceFilePath}");

MemoryStream memoryStream = new MemoryStream();

mediaDevice.DownloadFile(sourceFilePath, memoryStream);

memoryStream.Position = 0;

string sourceFileName = sourceFilePath.TrimEnd('\\');

sourceFileName = sourceFileName.Substring(sourceFileName.LastIndexOf('\\') + 1);

string targetDirectoryPath = Path.Combine(targetRootDirectoryPath, sourceDirectoryName);

if(!Directory.Exists(targetDirectoryPath))

{

Directory.CreateDirectory(targetDirectoryPath);

}

string targetFilePath = Path.Combine(targetRootDirectoryPath, sourceDirectoryName, sourceFileName);

Console.WriteLine($" TARGET FILE PATH : {targetFilePath}");

Console.WriteLine();

CopyFile(memoryStream, targetFilePath);

}

#endregion

#region 파일 복사하기 - CopyFile(sourceStream, targetFilePath)

/// <summary>

/// 파일 복사하기

/// </summary>

/// <param name="sourceStream">소스 스트림</param>

/// <param name="targetFilePath">타겟 파일 경로</param>

private static void CopyFile(Stream sourceStream, string targetFilePath)

{

using(FileStream targetStream = new FileStream(targetFilePath, FileMode.Create, FileAccess.Write))

{

byte[] targetByteArray = new byte[sourceStream.Length];

sourceStream.Read(targetByteArray, 0, (int)sourceStream.Length);

targetStream.Write(targetByteArray, 0, targetByteArray.Length);

sourceStream.Close();

}

#endregion

}

※ 패키지 설치 : MediaDevices 1. 비주얼 스튜디오를 실행한다.

[C#/COMMON] MediaDevices 누겟 설치하기

■ MediaDevices 누겟을 설치하는 방법을 보여준다. 1. Visual Studio를 실행한다. 2. [도구] / [NuGet 패키지 관리자] / [패키지 관리자 콘솔] 메뉴를 실행한다.

[POWERSHELL] Enable-PnpDevice 명령 : 카메라 활성화 하기

■ Enable-PnpDevice 명령을 사용해 카메라를 활성화하는 방법을 보여준다. ▶ 실행 명령


Enable-PnpDevice -InstanceId (Get-PnpDevice -FriendlyName *camera*,*webcam* -Class camera,image -Status Error).InstanceId

Enable-PnpDevice -InstanceId (Get-PnpDevice -FriendlyName *camera*,*webcam* -Class camera,image -Status Error).InstanceId

※ PowerShell을 관리자 모드로 실행한다. ※ 카메라를 실행하고 있으면 즉시

[POWERSHELL] Get-PnpDevice 명령 : 카메라 찾기

■ Get-PnpDevice 명령을 사용해 카메라를 찾는 방법을 보여준다. ▶ 실행 명령


Get-PnpDevice -FriendlyName *camera*,*webcam* -Class camera,image

Get-PnpDevice -FriendlyName *camera*,*webcam* -Class camera,image

[POWERSHELL] Disable-PnpDevice 명령 : 카메라 비활성화 하기

■ Disable-PnpDevice 명령을 사용해 카메라를 비활성화하는 방법을 보여준다. ▶ 실행 명령


Disable-PnpDevice -InstanceId (Get-PnpDevice -FriendlyName *camera*,*webcam* -Class camera,image -Status OK).InstanceId

Disable-PnpDevice -InstanceId (Get-PnpDevice -FriendlyName *camera*,*webcam* -Class camera,image -Status OK).InstanceId

※ PowerShell을 관리자 모드로 실행한다. ※ 카메라를 실행하고 있으면 즉시

[C#/WPF/DEVEXPRESS] CameraControl 클래스 : 카메라 사용하기 (기능 개선)

■ CameraControl 클래스에서 카메라를 사용하는 방법을 보여준다. (기능 개선) [TestLibrary 프로젝트] ▶ CameraControl.xaml


<UserControl x:Class="TestLibrary.CameraControl"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:dxe="http://schemas.devexpress.com/winfx/2008/xaml/editors">
    <dxe:CameraControl Name="cameraControl"
        Stretch="Fill"
        ShowSettingsButton="False"
        AllowAutoStart="False" />
</UserControl>

<UserControl x:Class="TestLibrary.CameraControl"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

xmlns:dxe="http://schemas.devexpress.com/winfx/2008/xaml/editors">

<dxe:CameraControl Name="cameraControl"

Stretch="Fill"

ShowSettingsButton="False"

AllowAutoStart="False" />

</UserControl>

▶ CameraControl.xaml.cs


using System.Collections.Generic;
using System.Linq;
using System.Windows.Controls;
using System.Windows.Media;

using DevExpress.Xpf.Editors;

namespace TestLibrary
{
    /// <summary>
    /// 카메라 컨트롤
    /// </summary>
    public partial class CameraControl : UserControl
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 캡처 여부
        /// </summary>
        private bool isCapturing = false;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Property
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 장치명 - DeviceName

        /// <summary>
        /// 장치명
        /// </summary>
        public string DeviceName
        {
            get
            {
                return this.cameraControl.DeviceInfo.Name;
            }
            set
            {
                DeviceInfo deviceInfo = GetDeviceInfo(value);

                this.cameraControl.DeviceInfo = deviceInfo;
            }
        }

        #endregion
        #region 캡처 여부 - IsCapturing

        /// <summary>
        /// 캡처 여부
        /// </summary>
        public bool IsCapturing
        {
            get
            {
                return this.isCapturing;
            }
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - CameraControl()

        /// <summary>
        /// 생성자
        /// </summary>
        public CameraControl()
        {
            InitializeComponent();
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Public

        #region 장치명 리스트 구하기 - GetDeviceNameList()

        /// <summary>
        /// 장치명 리스트 구하기
        /// </summary>
        /// <returns></returns>
        public static List<string> GetDeviceNameList()
        {
            List<DeviceInfo> deviceInfoList = GetDeviceInfoList();

            List<string> list = new List<string>();

            foreach(DeviceInfo deviceInfo in deviceInfoList)
            {
                list.Add(deviceInfo.Name);
            }

            return list;
        }

        #endregion

        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// private

        #region 장치 정보 리스트 구하기 - GetDeviceInfoList()

        /// <summary>
        /// 장치 정보 리스트 구하기
        /// </summary>
        /// <returns>장치 정보 리스트</returns>
        private static List<DeviceInfo> GetDeviceInfoList()
        {
            DevExpress.Xpf.Editors.CameraControl control = new DevExpress.Xpf.Editors.CameraControl();

            List<DeviceInfo> deviceInfoList = control.GetAvailableDevices().ToList();

            return deviceInfoList;
        }

        #endregion
        #region 장치 정보 구하기 - GetDeviceInfo(deviceName)

        /// <summary>
        /// 장치 정보 구하기
        /// </summary>
        /// <param name="deviceName">장치명</param>
        /// <returns>장치 정보</returns>
        private static DeviceInfo GetDeviceInfo(string deviceName)
        {
            if(string.IsNullOrEmpty(deviceName))
            {
                return null;
            }

            List<DeviceInfo> deviceInfoList = GetDeviceInfoList();

            DeviceInfo deviceInfo = deviceInfoList.Where(d => d.Name == deviceName).FirstOrDefault();

            return deviceInfo;
        }

        #endregion

        ////////////////////////////////////////////////////////////////////////////////////////// Instance
        //////////////////////////////////////////////////////////////////////////////// Public

        #region 시작하기 - Start()

        /// <summary>
        /// 시작하기
        /// </summary>
        public void Start()
        {
            if(this.isCapturing)
            {
                return;
            }

            this.cameraControl.Start();

            this.isCapturing = true;
        }

        #endregion
        #region 중단하기 - Stop()

        /// <summary>
        /// 중단하기
        /// </summary>
        public void Stop()
        {
            if(!this.isCapturing)
            {
                return;
            }

            this.cameraControl.Stop();

            this.isCapturing = false;
        }

        #endregion
        #region 이미지 구하기 - GetImage()

        /// <summary>
        /// 이미지 구하기
        /// </summary>
        /// <returns>이미지 소스</returns>
        public ImageSource GetImage()
        {
            return this.cameraControl.TakeSnapshot();
        }

        #endregion
    }
}

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using System.Collections.Generic;

using System.Linq;

using System.Windows.Controls;

using System.Windows.Media;

using DevExpress.Xpf.Editors;

namespace TestLibrary

{

/// <summary>

/// 카메라 컨트롤

/// </summary>

public partial class CameraControl : UserControl

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// 캡처 여부

/// </summary>

private bool isCapturing = false;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Property

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 장치명 - DeviceName

/// <summary>

/// 장치명

/// </summary>

public string DeviceName

{

get

{

return this.cameraControl.DeviceInfo.Name;

}

set

{

DeviceInfo deviceInfo = GetDeviceInfo(value);

this.cameraControl.DeviceInfo = deviceInfo;

}

#endregion

#region 캡처 여부 - IsCapturing

/// <summary>

/// 캡처 여부

/// </summary>

public bool IsCapturing

{

get

{

return this.isCapturing;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - CameraControl()

/// <summary>

/// 생성자

/// </summary>

public CameraControl()

{

InitializeComponent();

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Public

#region 장치명 리스트 구하기 - GetDeviceNameList()

/// <summary>

/// 장치명 리스트 구하기

/// </summary>

/// <returns></returns>

public static List<string> GetDeviceNameList()

{

List<DeviceInfo> deviceInfoList = GetDeviceInfoList();

List<string> list = new List<string>();

foreach(DeviceInfo deviceInfo in deviceInfoList)

{

list.Add(deviceInfo.Name);

}

return list;

}

#endregion

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// private

#region 장치 정보 리스트 구하기 - GetDeviceInfoList()

/// <summary>

/// 장치 정보 리스트 구하기

/// </summary>

/// <returns>장치 정보 리스트</returns>

private static List<DeviceInfo> GetDeviceInfoList()

{

DevExpress.Xpf.Editors.CameraControl control = new DevExpress.Xpf.Editors.CameraControl();

List<DeviceInfo> deviceInfoList = control.GetAvailableDevices().ToList();

return deviceInfoList;

}

#endregion

#region 장치 정보 구하기 - GetDeviceInfo(deviceName)

/// <summary>

/// 장치 정보 구하기

/// </summary>

/// <param name="deviceName">장치명</param>

/// <returns>장치 정보</returns>

private static DeviceInfo GetDeviceInfo(string deviceName)

{

if(string.IsNullOrEmpty(deviceName))

{

return null;

}

List<DeviceInfo> deviceInfoList = GetDeviceInfoList();

DeviceInfo deviceInfo = deviceInfoList.Where(d => d.Name == deviceName).FirstOrDefault();

return deviceInfo;

}

#endregion

////////////////////////////////////////////////////////////////////////////////////////// Instance

//////////////////////////////////////////////////////////////////////////////// Public

#region 시작하기 - Start()

/// <summary>

/// 시작하기

/// </summary>

public void Start()

{

if(this.isCapturing)

{

return;

}

this.cameraControl.Start();

this.isCapturing = true;

}

#endregion

#region 중단하기 - Stop()

/// <summary>

/// 중단하기

/// </summary>

public void Stop()

{

if(!this.isCapturing)

{

return;

}

this.cameraControl.Stop();

this.isCapturing = false;

}

#endregion

#region 이미지 구하기 - GetImage()

/// <summary>

/// 이미지 구하기

/// </summary>

/// <returns>이미지 소스</returns>

public ImageSource GetImage()

{

return this.cameraControl.TakeSnapshot();

}

#endregion

}

[TestProject 프로젝트] ▶ MainWindow.xaml


<Window x:Class="TestProject.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:library="clr-namespace:TestLibrary;assembly=TestLibrary"
    Width="800"
    Height="600"
    Title="CameraControl 클래스 : 카메라 사용하기 (기능 개선)"
    FontFamily="나눔고딕코딩"
    FontSize="16">
    <Grid Margin="10">
        <Grid.RowDefinitions>
            <RowDefinition Height="*"    />
            <RowDefinition Height="Auto" />
        </Grid.RowDefinitions>
        <Border Grid.Row="0"
            HorizontalAlignment="Center"
            VerticalAlignment="Center"
            BorderThickness="1"
            BorderBrush="Black">
            <library:CameraControl Name="cameraControl"
                Width="600"
                Height="480" />
        </Border>
        <StackPanel Grid.Row="1"
            HorizontalAlignment="Right"
            VerticalAlignment="Center"
            Orientation="Horizontal">
            <Button Name="startButton"
                Width="100"
                Height="30"
                Content="시작" />
            <Button Name="imageButton"
                Margin="10 0 0 0"
                Width="100"
                Height="30"
                Content="이미지" />
        </StackPanel>
    </Grid>
</Window>

<Window x:Class="TestProject.MainWindow"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

xmlns:library="clr-namespace:TestLibrary;assembly=TestLibrary"

Width="800"

Height="600"

Title="CameraControl 클래스 : 카메라 사용하기 (기능 개선)"

FontFamily="나눔고딕코딩"

FontSize="16">

<Grid.RowDefinitions>

</Grid.RowDefinitions>

<Border Grid.Row="0"

HorizontalAlignment="Center"

VerticalAlignment="Center"

BorderThickness="1"

BorderBrush="Black">

<library:CameraControl Name="cameraControl"

Width="600"

Height="480" />

</Border>

<StackPanel Grid.Row="1"

HorizontalAlignment="Right"

VerticalAlignment="Center"

Orientation="Horizontal">

<Button Name="startButton"

Width="100"

Height="30"

Content="시작" />

<Button Name="imageButton"

Margin="10 0 0 0"

Width="100"

Height="30"

Content="이미지" />

</StackPanel>

</Grid>

</Window>

[C#/WPF] FFMpeg을 사용해 웹 카메라 사용하기 (기능 개선)

■ FFMpeg을 사용해 웹 카메라를 사용하는 방법을 보여준다. (기능 개선) [TestLibrary 프로젝트] ▶ BITMAPINFOHEADER.cs


using System.Runtime.InteropServices;

namespace TestLibrary
{
    /// <summary>
    /// 비트맵 정보 헤더
    /// </summary>
    [StructLayout(LayoutKind.Sequential)]
    public struct BITMAPINFOHEADER
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region Field

        /// <summary>
        /// 크기
        /// </summary>
        public uint Size;

        /// <summary>
        /// 너비
        /// </summary>
        public int Width;

        /// <summary>
        /// 높이
        /// </summary>
        public int Height;

        /// <summary>
        /// 플레인 수
        /// </summary>
        public ushort PlaneCount;

        /// <summary>
        /// 비트 수
        /// </summary>
        public ushort BitCount;

        /// <summary>
        /// 압축 방법
        /// </summary>
        public uint Compression;

        /// <summary>
        /// 이미지 크기
        /// </summary>
        public uint ImageSize;

        /// <summary>
        /// 미터당 X 픽셀 수
        /// </summary>
        public int XPixelCountPerMeter;

        /// <summary>
        /// 미터당 Y 픽셀 수
        /// </summary>
        public int YPixelCountPerMeter;

        /// <summary>
        /// 사용 색상 인덱스 수
        /// </summary>
        public uint UsedColorCount;

        /// <summary>
        /// 중료 색상 인덱스 수
        /// </summary>
        public uint ImportantColorIndexCount;

        #endregion
    }
}

using System.Runtime.InteropServices;

namespace TestLibrary

{

/// <summary>

/// 비트맵 정보 헤더

/// </summary>

[StructLayout(LayoutKind.Sequential)]

public struct BITMAPINFOHEADER

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Public

#region Field

/// <summary>

/// 크기

/// </summary>

public uint Size;

/// <summary>

/// 너비

/// </summary>

public int Width;

/// <summary>

/// 높이

/// </summary>

public int Height;

/// <summary>

/// 플레인 수

/// </summary>

public ushort PlaneCount;

/// <summary>

/// 비트 수

/// </summary>

public ushort BitCount;

/// <summary>

/// 압축 방법

/// </summary>

public uint Compression;

/// <summary>

/// 이미지 크기

/// </summary>

public uint ImageSize;

/// <summary>

/// 미터당 X 픽셀 수

/// </summary>

public int XPixelCountPerMeter;

/// <summary>

/// 미터당 Y 픽셀 수

/// </summary>

public int YPixelCountPerMeter;

/// <summary>

/// 사용 색상 인덱스 수

/// </summary>

public uint UsedColorCount;

/// <summary>

/// 중료 색상 인덱스 수

/// </summary>

public uint ImportantColorIndexCount;

#endregion

}

▶ DirectShowException.cs


using System;
using System.Runtime.InteropServices;

namespace TestLibrary
{
    /// <summary>
    /// DirectShow 예외
    /// </summary>
    public sealed class DirectShowException : Exception
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - DirectShowException(message, resultHandle)

        /// <summary>
        /// 생성자
        /// </summary>
        /// <param name="message">메시지</param>
        /// <param name="resultHandle">결과 핸들</param>
        public DirectShowException(string message, int resultHandle) : base(message, Marshal.GetExceptionForHR(resultHandle))
        {
        }

        #endregion
    }
}

using System;

using System.Runtime.InteropServices;

namespace TestLibrary

{

/// <summary>

/// DirectShow 예외

/// </summary>

public sealed class DirectShowException : Exception

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - DirectShowException(message, resultHandle)

/// <summary>

/// 생성자

/// </summary>

/// <param name="message">메시지</param>

/// <param name="resultHandle">결과 핸들</param>

public DirectShowException(string message, int resultHandle) : base(message, Marshal.GetExceptionForHR(resultHandle))

{

}

#endregion

}

▶ VideoCaptureDevice.cs


using System;

namespace TestLibrary
{
    /// <summary>
    /// 비디오 캡처 장치
    /// </summary>
    public sealed class VideoCaptureDevice : IEquatable<VideoCaptureDevice>
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 명칭
        /// </summary>
        private readonly String name;

        /// <summary>
        /// 장치 경로
        /// </summary>
        private readonly String devicePath;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Property
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 명칭 - Name

        /// <summary>
        /// 명칭
        /// </summary>
        public string Name
        {
            get
            {
                return this.name;
            }
        }

        #endregion
        #region 장치 경로 - DevicePath

        /// <summary>
        /// 장치 경로
        /// </summary>
        internal string DevicePath
        {
            get
            {
                return this.devicePath;
            }
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - VideoCaptureDevice(info)

        /// <summary>
        /// 생성자
        /// </summary>
        public VideoCaptureDevice(VideoInputDeviceInfo info)
        {
            this.name = info.DeviceName;
            devicePath = info.DevicePath;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Public

        #region 연산자 == 재정의하기 - ==(left, right)

        /// <summary>
        /// 연산자 == 재정의하기
        /// </summary>
        /// <param name="left">왼쪽 객체</param>
        /// <param name="right">오른쪽 객체</param>
        /// <returns>처리 결과</returns>
        public static bool operator ==(VideoCaptureDevice left, VideoCaptureDevice right)
        {
            return Equals(left, right);
        }

        #endregion
        #region 연산자 != 재정의하기 - !=(left, right)

        /// <summary>
        /// 연산자 != 재정의하기
        /// </summary>
        /// <param name="left">왼쪽 객체</param>
        /// <param name="right">오른쪽 객체</param>
        /// <returns>처리 결과</returns>
        public static bool operator !=(VideoCaptureDevice left, VideoCaptureDevice right)
        {
            return !Equals(left, right);
        }

        #endregion

        ////////////////////////////////////////////////////////////////////////////////////////// Instance
        //////////////////////////////////////////////////////////////////////////////// Public

        #region 동일 여부 구하기 - Equals(sourceObject)

        /// <summary>
        /// 동일 여부 구하기
        /// </summary>
        /// <param name="sourceObject">소스 객체</param>
        /// <returns>동일 여부</returns>
        public override bool Equals(object sourceObject)
        {
            if(ReferenceEquals(null, sourceObject))
            {
                return false;
            }

            if(ReferenceEquals(this, sourceObject))
            {
                return true;
            }

            if(sourceObject.GetType() != typeof(VideoCaptureDevice))
            {
                return false;
            }

            return Equals((VideoCaptureDevice)sourceObject);
        }

        #endregion
        #region 동일 여부 구하기 - Equals(source)

        /// <summary>
        /// 동일 여부 구하기
        /// </summary>
        /// <param name="source">소스 객체</param>
        /// <returns>동일 여부</returns>
        public bool Equals(VideoCaptureDevice source)
        {
            if(ReferenceEquals(null, source))
            {
                return false;
            }

            if(ReferenceEquals(this, source))
            {
                return true;
            }

            return Equals(source.name, this.name) && Equals(source.devicePath, this.devicePath);
        }

        #endregion
        #region 해시 코드 구하기 - GetHashCode()

        /// <summary>
        /// 해시 코드 구하기
        /// </summary>
        /// <returns>해시 코드</returns>
        public override int GetHashCode()
        {
            unchecked
            {
                return (this.name.GetHashCode() * 397) ^ this.devicePath.GetHashCode();
            }
        }

        #endregion
    }
}

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using System;

namespace TestLibrary

{

/// <summary>

/// 비디오 캡처 장치

/// </summary>

public sealed class VideoCaptureDevice : IEquatable<VideoCaptureDevice>

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// 명칭

/// </summary>

private readonly String name;

/// <summary>

/// 장치 경로

/// </summary>

private readonly String devicePath;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Property

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 명칭 - Name

/// <summary>

/// 명칭

/// </summary>

public string Name

{

get

{

return this.name;

}

#endregion

#region 장치 경로 - DevicePath

/// <summary>

/// 장치 경로

/// </summary>

internal string DevicePath

{

get

{

return this.devicePath;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - VideoCaptureDevice(info)

/// <summary>

/// 생성자

/// </summary>

public VideoCaptureDevice(VideoInputDeviceInfo info)

{

this.name = info.DeviceName;

devicePath = info.DevicePath;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Public

#region 연산자 == 재정의하기 - ==(left, right)

/// <summary>

/// 연산자 == 재정의하기

/// </summary>

/// <param name="left">왼쪽 객체</param>

/// <param name="right">오른쪽 객체</param>

/// <returns>처리 결과</returns>

public static bool operator ==(VideoCaptureDevice left, VideoCaptureDevice right)

{

return Equals(left, right);

}

#endregion

#region 연산자 != 재정의하기 - !=(left, right)

/// <summary>

/// 연산자 != 재정의하기

/// </summary>

/// <param name="left">왼쪽 객체</param>

/// <param name="right">오른쪽 객체</param>

/// <returns>처리 결과</returns>

public static bool operator !=(VideoCaptureDevice left, VideoCaptureDevice right)

{

return !Equals(left, right);

}

#endregion

////////////////////////////////////////////////////////////////////////////////////////// Instance

//////////////////////////////////////////////////////////////////////////////// Public

#region 동일 여부 구하기 - Equals(sourceObject)

/// <summary>

/// 동일 여부 구하기

/// </summary>

/// <param name="sourceObject">소스 객체</param>

/// <returns>동일 여부</returns>

public override bool Equals(object sourceObject)

{

if(ReferenceEquals(null, sourceObject))

{

return false;

}

if(ReferenceEquals(this, sourceObject))

{

return true;

}

if(sourceObject.GetType() != typeof(VideoCaptureDevice))

{

return false;

}

return Equals((VideoCaptureDevice)sourceObject);

}

#endregion

#region 동일 여부 구하기 - Equals(source)

/// <summary>

/// 동일 여부 구하기

/// </summary>

/// <param name="source">소스 객체</param>

/// <returns>동일 여부</returns>

public bool Equals(VideoCaptureDevice source)

{

if(ReferenceEquals(null, source))

{

return false;

}

if(ReferenceEquals(this, source))

{

return true;

}

return Equals(source.name, this.name) && Equals(source.devicePath, this.devicePath);

}

#endregion

#region 해시 코드 구하기 - GetHashCode()

/// <summary>

/// 해시 코드 구하기

/// </summary>

/// <returns>해시 코드</returns>

public override int GetHashCode()

{

unchecked

{

return (this.name.GetHashCode() * 397) ^ this.devicePath.GetHashCode();

}

#endregion

}

▶

[C#/WINFORM/DEVEXPRESS] CameraControl 클래스 : 카메라 사용하기

■ CameraControl 클래스에서 카메라를 사용하는 방법을 보여준다. ▶ MainForm.cs


using System;
using System.Collections.Generic;
using System.Windows.Forms;

using DevExpress.Data.Camera;
using DevExpress.XtraEditors;
using DevExpress.XtraEditors.Camera;
using DevExpress.XtraEditors.Controls;

namespace TestProject
{
    /// <summary>
    /// 메인 폼
    /// </summary>
    public partial class MainForm : XtraForm
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 실행 여부
        /// </summary>
        private bool isRunning = false;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainForm()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainForm()
        {
            InitializeComponent();

            #region 장치 이미지 콤보 박스 에디터를 설정한다.

            List<CameraDeviceInfo> deviceInfoList = CameraControl.GetDevices();

            if(deviceInfoList != null && deviceInfoList.Count > 0)
            {
                foreach(CameraDeviceInfo deviceInfo in deviceInfoList)
                {
                    CameraDevice device = CameraControl.GetDevice(deviceInfo);

                    ImageComboBoxItem item = new ImageComboBoxItem();

                    item.Description = device.Name;
                    item.Value       = device;

                    this.deviceComboBoxEdit.Properties.Items.Add(item);
                }

                this.deviceComboBoxEdit.SelectedIndex = 0;
            }

            #endregion
            #region 선택 장치를 설정한다.

            CameraDevice deviceSelected;

            if(this.deviceComboBoxEdit.SelectedItem == null)
            {
                deviceSelected = null;
            }
            else
            {
                ImageComboBoxItem itemSelected = this.deviceComboBoxEdit.SelectedItem as ImageComboBoxItem;

                if(itemSelected == null)
                {
                    deviceSelected = null;
                }
                else
                {
                    deviceSelected = itemSelected.Value as CameraDevice;
                }
            }

            #endregion
            #region 카메라 컨트롤을 설정한다.

            this.cameraControl.AutoStartDefaultDevice = false;
            this.cameraControl.ShowSettingsButton     = false;
            this.cameraControl.VideoStretchMode       = VideoStretchMode.ZoomInside;
            this.cameraControl.Device                 = deviceSelected;

            #endregion
            #region 이벤트를 설정한다.

            this.deviceComboBoxEdit.SelectedIndexChanged += deviceComboBoxEdit_SelectedIndexChanged;
            this.startButton.Click                       += startButton_Click;

            #endregion
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private
        //////////////////////////////////////////////////////////////////////////////// Event

        #region 장치 이미지 콤보 박스 에디터 선택 인덱스 변경시 처리하기 - deviceComboBoxEdit_SelectedIndexChanged(sender, e)

        /// <summary>
        /// 장치 이미지 콤보 박스 에디터 선택 인덱스 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void deviceComboBoxEdit_SelectedIndexChanged(object sender, EventArgs e)
        {
            #region 선택 장치를 설정한다.

            CameraDevice deviceSelected;

            if(this.deviceComboBoxEdit.SelectedItem == null)
            {
                deviceSelected = null;
            }
            else
            {
                ImageComboBoxItem itemSelected = this.deviceComboBoxEdit.SelectedItem as ImageComboBoxItem;

                if(itemSelected == null)
                {
                    deviceSelected = null;
                }
                else
                {
                    deviceSelected = itemSelected.Value as CameraDevice;
                }
            }

            #endregion

            this.cameraControl.Device = deviceSelected;
        }

        #endregion
        #region 시작 버튼 클릭시 처리하기 - startButton_Click(sender, e)

        /// <summary>
        /// 시작 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void startButton_Click(object sender, EventArgs e)
        {
            if(this.isRunning)
            {
                this.isRunning = false;

                this.deviceComboBoxEdit.Enabled = true;

                this.startButton.Text = "시작";

                this.cameraControl.Stop();
            }
            else
            {
                if(this.cameraControl.Device == null)
                {
                    XtraMessageBox.Show
                    (
                        this,
                        "카메라 장치를 선택해 주시기 바랍니다.",
                        "INFORMATION",
                        MessageBoxButtons.OK,
                        MessageBoxIcon.Information
                    );

                    return;
                }

                this.isRunning = true;

                this.deviceComboBoxEdit.Enabled = false;

                this.startButton.Text = "중단";

                this.cameraControl.Start();
            }
        }

        #endregion
    }
}

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using System;

using System.Collections.Generic;

using System.Windows.Forms;

using DevExpress.Data.Camera;

using DevExpress.XtraEditors;

using DevExpress.XtraEditors.Camera;

using DevExpress.XtraEditors.Controls;

namespace TestProject

{

/// <summary>

/// 메인 폼

/// </summary>

public partial class MainForm : XtraForm

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// 실행 여부

/// </summary>

private bool isRunning = false;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainForm()

/// <summary>

/// 생성자

/// </summary>

public MainForm()

{

InitializeComponent();

#region 장치 이미지 콤보 박스 에디터를 설정한다.

List<CameraDeviceInfo> deviceInfoList = CameraControl.GetDevices();

if(deviceInfoList != null && deviceInfoList.Count > 0)

{

foreach(CameraDeviceInfo deviceInfo in deviceInfoList)

{

CameraDevice device = CameraControl.GetDevice(deviceInfo);

ImageComboBoxItem item = new ImageComboBoxItem();

item.Description = device.Name;

item.Value = device;

this.deviceComboBoxEdit.Properties.Items.Add(item);

}

this.deviceComboBoxEdit.SelectedIndex = 0;

}

#endregion

#region 선택 장치를 설정한다.

CameraDevice deviceSelected;

if(this.deviceComboBoxEdit.SelectedItem == null)

{

deviceSelected = null;

}

else

{

ImageComboBoxItem itemSelected = this.deviceComboBoxEdit.SelectedItem as ImageComboBoxItem;

if(itemSelected == null)

{

deviceSelected = null;

}

else

{

deviceSelected = itemSelected.Value as CameraDevice;

}

#endregion

#region 카메라 컨트롤을 설정한다.

this.cameraControl.AutoStartDefaultDevice = false;

this.cameraControl.ShowSettingsButton = false;

this.cameraControl.VideoStretchMode = VideoStretchMode.ZoomInside;

this.cameraControl.Device = deviceSelected;

#endregion

#region 이벤트를 설정한다.

this.deviceComboBoxEdit.SelectedIndexChanged += deviceComboBoxEdit_SelectedIndexChanged;

this.startButton.Click += startButton_Click;

#endregion

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

//////////////////////////////////////////////////////////////////////////////// Event

#region 장치 이미지 콤보 박스 에디터 선택 인덱스 변경시 처리하기 - deviceComboBoxEdit_SelectedIndexChanged(sender, e)

/// <summary>

/// 장치 이미지 콤보 박스 에디터 선택 인덱스 변경시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void deviceComboBoxEdit_SelectedIndexChanged(object sender, EventArgs e)

{

#region 선택 장치를 설정한다.

CameraDevice deviceSelected;

if(this.deviceComboBoxEdit.SelectedItem == null)

{

deviceSelected = null;

}

else

{

ImageComboBoxItem itemSelected = this.deviceComboBoxEdit.SelectedItem as ImageComboBoxItem;

if(itemSelected == null)

{

deviceSelected = null;

}

else

{

deviceSelected = itemSelected.Value as CameraDevice;

}

#endregion

this.cameraControl.Device = deviceSelected;

}

#endregion

#region 시작 버튼 클릭시 처리하기 - startButton_Click(sender, e)

/// <summary>

/// 시작 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void startButton_Click(object sender, EventArgs e)

{

if(this.isRunning)

{

this.isRunning = false;

this.deviceComboBoxEdit.Enabled = true;

this.startButton.Text = "시작";

this.cameraControl.Stop();

}

else

{

if(this.cameraControl.Device == null)

{

XtraMessageBox.Show

(

this,

"카메라 장치를 선택해 주시기 바랍니다.",

"INFORMATION",

MessageBoxButtons.OK,

MessageBoxIcon.Information

);

return;

}

this.isRunning = true;

this.deviceComboBoxEdit.Enabled = false;

this.startButton.Text = "중단";

this.cameraControl.Start();

}

#endregion

}

TestProject.zip

[C#/WPF] FFMpeg을 사용해 웹 카메라 사용하기

■ FFMpeg을 사용해 웹 카메라를 사용하는 방법을 보여준다. ▶ FFMpegHelper.cs


using System;
using System.IO;
using System.Runtime.InteropServices;

using FFmpeg.AutoGen;

namespace TestProject
{
    /// <summary>
    /// FFMPEG 헬퍼
    /// </summary>
    public static class FFMpegHelper
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Import
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Private

        #region DLL 디렉토리 설정하기 - SetDllDirectory(directoryPath)

        /// <summary>
        /// DLL 디렉토리 설정하기
        /// </summary>
        /// <param name="directoryPath">디렉토리 경로</param>
        /// <returns>처리 결과</returns>
        [DllImport("kernel32", SetLastError = true)]
        private static extern bool SetDllDirectory(string directoryPath);

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// LD_LIBRARY_PATH
        /// </summary>
        private const string LD_LIBRARY_PATH = "LD_LIBRARY_PATH";

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Public

        #region 등록하기 - Register()

        /// <summary>
        /// 등록하기
        /// </summary>
        public static void Register()
        {
            switch(Environment.OSVersion.Platform)
            {
                case PlatformID.Win32NT      :
                case PlatformID.Win32S       :
                case PlatformID.Win32Windows :
                {
                    string currentDirectoryPath = Environment.CurrentDirectory;

                    while(currentDirectoryPath != null)
                    {
                        string dllDirectoryPath = Path.Combine(currentDirectoryPath, "FFMpegDLL");

                        if(Directory.Exists(dllDirectoryPath))
                        {
                            Register(dllDirectoryPath);

                            return;
                        }

                        currentDirectoryPath = Directory.GetParent(currentDirectoryPath)?.FullName;
                    }

                    break;
                }
                case PlatformID.Unix   :
                case PlatformID.MacOSX :
                {
                    string dllDirectoryPath = Environment.GetEnvironmentVariable(LD_LIBRARY_PATH);

                    Register(dllDirectoryPath);

                    break;
                }
            }
        }

        #endregion

        #region 에러 메시지 구하기 - GetErrorMessage(errorCode)

        /// <summary>
        /// 에러 메시지 구하기
        /// </summary>
        /// <param name="errorCode">에러 코드</param>
        /// <returns>에러 메시지</returns>
        public static unsafe string GetErrorMessage(int errorCode)
        {
            int bufferSize = 1024;

            byte* buffer = stackalloc byte[bufferSize];

            ffmpeg.av_strerror(errorCode, buffer, (ulong)bufferSize);

            string message = Marshal.PtrToStringAnsi((IntPtr)buffer);

            return message;
        }

        #endregion
        #region 에러시 예외 던지기 - ThrowExceptionIfError(error)

        /// <summary>
        /// 에러시 예외 던지기
        /// </summary>
        /// <param name="errorCode">에러 코드</param>
        /// <returns>에러 코드</returns>
        public static int ThrowExceptionIfError(this int errorCode)
        {
            if(errorCode < 0)
            {
                throw new ApplicationException(GetErrorMessage(errorCode));
            }

            return errorCode;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////// Private

        #region 등록하기 - Register(dllDirectoryPath)

        /// <summary>
        /// 등록하기
        /// </summary>
        /// <param name="dllDirectoryPath">DLL 디렉토리 경로</param>
        private static void Register(string dllDirectoryPath)
        {
            switch(Environment.OSVersion.Platform)
            {
                case PlatformID.Win32NT      :
                case PlatformID.Win32S       :
                case PlatformID.Win32Windows :

                    SetDllDirectory(dllDirectoryPath);

                    break;

                case PlatformID.Unix   :
                case PlatformID.MacOSX :

                    string currentValue = Environment.GetEnvironmentVariable(LD_LIBRARY_PATH);

                    if(string.IsNullOrWhiteSpace(currentValue) == false && currentValue.Contains(dllDirectoryPath) == false)
                    {
                        string newValue = currentValue + Path.PathSeparator + dllDirectoryPath;

                        Environment.SetEnvironmentVariable(LD_LIBRARY_PATH, newValue);
                    }

                    break;
            }
        }

        #endregion
    }
}

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using System;

using System.IO;

using System.Runtime.InteropServices;

using FFmpeg.AutoGen;

namespace TestProject

{

/// <summary>

/// FFMPEG 헬퍼

/// </summary>

public static class FFMpegHelper

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Import

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Private

#region DLL 디렉토리 설정하기 - SetDllDirectory(directoryPath)

/// <summary>

/// DLL 디렉토리 설정하기

/// </summary>

/// <param name="directoryPath">디렉토리 경로</param>

/// <returns>처리 결과</returns>

[DllImport("kernel32", SetLastError = true)]

private static extern bool SetDllDirectory(string directoryPath);

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// LD_LIBRARY_PATH

/// </summary>

private const string LD_LIBRARY_PATH = "LD_LIBRARY_PATH";

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Public

#region 등록하기 - Register()

/// <summary>

/// 등록하기

/// </summary>

public static void Register()

{

switch(Environment.OSVersion.Platform)

{

case PlatformID.Win32NT :

case PlatformID.Win32S :

case PlatformID.Win32Windows :

{

string currentDirectoryPath = Environment.CurrentDirectory;

while(currentDirectoryPath != null)

{

string dllDirectoryPath = Path.Combine(currentDirectoryPath, "FFMpegDLL");

if(Directory.Exists(dllDirectoryPath))

{

return;

}

currentDirectoryPath = Directory.GetParent(currentDirectoryPath)?.FullName;

}

break;

}

case PlatformID.Unix :

case PlatformID.MacOSX :

{

string dllDirectoryPath = Environment.GetEnvironmentVariable(LD_LIBRARY_PATH);

break;

}

#endregion

#region 에러 메시지 구하기 - GetErrorMessage(errorCode)

/// <summary>

/// 에러 메시지 구하기

/// </summary>

/// <param name="errorCode">에러 코드</param>

/// <returns>에러 메시지</returns>

public static unsafe string GetErrorMessage(int errorCode)

{

int bufferSize = 1024;

byte* buffer = stackalloc byte[bufferSize];

ffmpeg.av_strerror(errorCode, buffer, (ulong)bufferSize);

string message = Marshal.PtrToStringAnsi((IntPtr)buffer);

return message;

}

#endregion

#region 에러시 예외 던지기 - ThrowExceptionIfError(error)

/// <summary>

/// 에러시 예외 던지기

/// </summary>

/// <param name="errorCode">에러 코드</param>

/// <returns>에러 코드</returns>

public static int ThrowExceptionIfError(this int errorCode)

{

if(errorCode < 0)

{

throw new ApplicationException(GetErrorMessage(errorCode));

}

return errorCode;

}

#endregion

//////////////////////////////////////////////////////////////////////////////// Private

#region 등록하기 - Register(dllDirectoryPath)

/// <summary>

/// 등록하기

/// </summary>

/// <param name="dllDirectoryPath">DLL 디렉토리 경로</param>

private static void Register(string dllDirectoryPath)

{

switch(Environment.OSVersion.Platform)

{

case PlatformID.Win32NT :

case PlatformID.Win32S :

case PlatformID.Win32Windows :

SetDllDirectory(dllDirectoryPath);

break;

case PlatformID.Unix :

case PlatformID.MacOSX :

string currentValue = Environment.GetEnvironmentVariable(LD_LIBRARY_PATH);

if(string.IsNullOrWhiteSpace(currentValue) == false && currentValue.Contains(dllDirectoryPath) == false)

{

string newValue = currentValue + Path.PathSeparator + dllDirectoryPath;

Environment.SetEnvironmentVariable(LD_LIBRARY_PATH, newValue);

}

break;

}

#endregion

}

▶ VideoFrameConverter.cs


using System;
using System.Runtime.InteropServices;
using System.Windows;

using FFmpeg.AutoGen;

namespace TestProject
{
    /// <summary>
    /// 비디오 프레임 컨버터
    /// </summary>
    public sealed unsafe class VideoFrameConverter : IDisposable
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 타겟 크기
        /// </summary>
        private readonly Size targetSize;

        /// <summary>
        /// 컨텍스트
        /// </summary>
        private readonly SwsContext* context;

        /// <summary>
        /// 버퍼 핸들
        /// </summary>
        private readonly IntPtr buferHandle;

        /// <summary>
        /// 임시 프레임 데이터
        /// </summary>
        private readonly byte_ptrArray4 temporaryFrameData;

        /// <summary>
        /// 임시 프레임 라인 크기
        /// </summary>
        private readonly int_array4 temporaryFrameLineSize;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - VideoFrameConverter(sourceSize, sourcePixelFormat, targetSize, targetPixelFormat)

        /// <summary>
        /// 생성자
        /// </summary>
        /// <param name="sourceSize">소스 크기</param>
        /// <param name="sourcePixelFormat">소스 픽셀 포맷</param>
        /// <param name="targetSize">타겟 크기</param>
        /// <param name="targetPixelFormat">타겟 픽셀 포맷</param>
        public VideoFrameConverter(Size sourceSize, AVPixelFormat sourcePixelFormat, Size targetSize, AVPixelFormat targetPixelFormat)
        {
            this.targetSize = targetSize;

            this.context = ffmpeg.sws_getContext
            (
                (int)sourceSize.Width,
                (int)sourceSize.Height,
                sourcePixelFormat,
                (int)targetSize.Width,
                (int)targetSize.Height,
                targetPixelFormat,
                ffmpeg.SWS_FAST_BILINEAR,
                null,
                null,
                null
            );

            if(this.context == null)
            {
                throw new ApplicationException("Could not initialize the conversion context.");
            }

            int bufferSize = ffmpeg.av_image_get_buffer_size(targetPixelFormat, (int)targetSize.Width, (int)targetSize.Height, 1);

            this.buferHandle = Marshal.AllocHGlobal(bufferSize);

            this.temporaryFrameData = new byte_ptrArray4();

            this.temporaryFrameLineSize = new int_array4();

            ffmpeg.av_image_fill_arrays
            (
                ref this.temporaryFrameData,
                ref this.temporaryFrameLineSize,
                (byte*)this.buferHandle,
                targetPixelFormat,
                (int)targetSize.Width,
                (int)targetSize.Height,
                1
            );
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 변환하기 - Convert(sourceFrame)

        /// <summary>
        /// 변환하기
        /// </summary>
        /// <param name="sourceFrame">소스 프레임</param>
        /// <returns>프레임</returns>
        public AVFrame Convert(AVFrame sourceFrame)
        {
            ffmpeg.sws_scale
            (
                this.context,
                sourceFrame.data,
                sourceFrame.linesize,
                0,
                sourceFrame.height,
                this.temporaryFrameData,
                this.temporaryFrameLineSize
            );

            byte_ptrArray8 targetFrameData = new byte_ptrArray8();

            targetFrameData.UpdateFrom(this.temporaryFrameData);

            int_array8 targetFrameLineSize = new int_array8();

            targetFrameLineSize.UpdateFrom(this.temporaryFrameLineSize);

            return new AVFrame
            {
                data     = targetFrameData,
                linesize = targetFrameLineSize,
                width    = (int)this.targetSize.Width,
                height   = (int)this.targetSize.Height
            };
        }

        #endregion

        #region 리소스 해제하기 - Dispose()

        /// <summary>
        /// 리소스 해제하기
        /// </summary>
        public void Dispose()
        {
            Marshal.FreeHGlobal(this.buferHandle);

            ffmpeg.sws_freeContext(this.context);
        }

        #endregion
    }
}

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using System;

using System.Runtime.InteropServices;

using System.Windows;

using FFmpeg.AutoGen;

namespace TestProject

{

/// <summary>

/// 비디오 프레임 컨버터

/// </summary>

public sealed unsafe class VideoFrameConverter : IDisposable

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// 타겟 크기

/// </summary>

private readonly Size targetSize;

/// <summary>

/// 컨텍스트

/// </summary>

private readonly SwsContext* context;

/// <summary>

/// 버퍼 핸들

/// </summary>

private readonly IntPtr buferHandle;

/// <summary>

/// 임시 프레임 데이터

/// </summary>

private readonly byte_ptrArray4 temporaryFrameData;

/// <summary>

/// 임시 프레임 라인 크기

/// </summary>

private readonly int_array4 temporaryFrameLineSize;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - VideoFrameConverter(sourceSize, sourcePixelFormat, targetSize, targetPixelFormat)

/// <summary>

/// 생성자

/// </summary>

/// <param name="sourceSize">소스 크기</param>

/// <param name="sourcePixelFormat">소스 픽셀 포맷</param>

/// <param name="targetSize">타겟 크기</param>

/// <param name="targetPixelFormat">타겟 픽셀 포맷</param>

public VideoFrameConverter(Size sourceSize, AVPixelFormat sourcePixelFormat, Size targetSize, AVPixelFormat targetPixelFormat)

{

this.targetSize = targetSize;

this.context = ffmpeg.sws_getContext

(

(int)sourceSize.Width,

(int)sourceSize.Height,

sourcePixelFormat,

(int)targetSize.Width,

(int)targetSize.Height,

targetPixelFormat,

ffmpeg.SWS_FAST_BILINEAR,

null,

null

);

if(this.context == null)

{

throw new ApplicationException("Could not initialize the conversion context.");

}

int bufferSize = ffmpeg.av_image_get_buffer_size(targetPixelFormat, (int)targetSize.Width, (int)targetSize.Height, 1);

this.buferHandle = Marshal.AllocHGlobal(bufferSize);

this.temporaryFrameData = new byte_ptrArray4();

this.temporaryFrameLineSize = new int_array4();

ffmpeg.av_image_fill_arrays

(

ref this.temporaryFrameData,

ref this.temporaryFrameLineSize,

(byte*)this.buferHandle,

targetPixelFormat,

(int)targetSize.Width,

(int)targetSize.Height,

);

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 변환하기 - Convert(sourceFrame)

/// <summary>

/// 변환하기

/// </summary>

/// <param name="sourceFrame">소스 프레임</param>

/// <returns>프레임</returns>

public AVFrame Convert(AVFrame sourceFrame)

{

ffmpeg.sws_scale

(

this.context,

sourceFrame.data,

sourceFrame.linesize,

sourceFrame.height,

this.temporaryFrameData,

this.temporaryFrameLineSize

);

byte_ptrArray8 targetFrameData = new byte_ptrArray8();

targetFrameData.UpdateFrom(this.temporaryFrameData);

int_array8 targetFrameLineSize = new int_array8();

targetFrameLineSize.UpdateFrom(this.temporaryFrameLineSize);

return new AVFrame

{

data = targetFrameData,

linesize = targetFrameLineSize,

width = (int)this.targetSize.Width,

height = (int)this.targetSize.Height

};

}

#endregion

#region 리소스 해제하기 - Dispose()

/// <summary>

/// 리소스 해제하기

/// </summary>

public void Dispose()

{

Marshal.FreeHGlobal(this.buferHandle);

ffmpeg.sws_freeContext(this.context);

}

#endregion

}

▶ VideoStreamDecoder.cs


using System;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using System.Windows;

using FFmpeg.AutoGen;

namespace TestProject
{
    /// <summary>
    /// 비디오 스트림 디코더
    /// </summary>
    public sealed unsafe class VideoStreamDecoder : IDisposable
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 포맷 컨텍스트
        /// </summary>
        private readonly AVFormatContext* formatContext;

        /// <summary>
        /// 스트림 인덱스
        /// </summary>
        private readonly int streamIndex;

        /// <summary>
        /// 코덱 컨텍스트
        /// </summary>
        private readonly AVCodecContext* codecContext;

        /// <summary>
        /// 패킷
        /// </summary>
        private readonly AVPacket* packet;

        /// <summary>
        /// 프레임
        /// </summary>
        private readonly AVFrame* frame;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Property
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 코덱명 - CodecName

        /// <summary>
        /// 코덱명
        /// </summary>
        public string CodecName { get; }

        #endregion
        #region 프레임 크기 - FrameSize

        /// <summary>
        /// 프레임 크기
        /// </summary>
        public Size FrameSize { get; }

        #endregion
        #region 픽셀 포맷 - PixelFormat

        /// <summary>
        /// 픽셀 포맷
        /// </summary>
        public AVPixelFormat PixelFormat { get; }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - VideoStreamDecoder(device)

        /// <summary>
        /// 생성자
        /// </summary>
        /// <param name="device">장치</param>
        public VideoStreamDecoder(string device)
        {
            this.formatContext = ffmpeg.avformat_alloc_context();

            AVFormatContext* formatContext = this.formatContext;

            ffmpeg.avdevice_register_all();

            AVInputFormat* inputFormat = ffmpeg.av_find_input_format("dshow");

            ffmpeg.avformat_open_input(&formatContext, device, inputFormat, null).ThrowExceptionIfError();

            ffmpeg.avformat_find_stream_info(this.formatContext, null).ThrowExceptionIfError();

            AVStream* stream = null;

            for(var i = 0; i < this.formatContext->nb_streams; i++)
            {
                if(this.formatContext->streams[i]->codec->codec_type == AVMediaType.AVMEDIA_TYPE_VIDEO)
                {
                    stream = this.formatContext->streams[i];

                    break;
                }
            }

            if(stream == null)
            {
                throw new InvalidOperationException("Could not found video stream.");
            }

            this.streamIndex = stream->index;

            this.codecContext = stream->codec;

            AVCodecID codecID = this.codecContext->codec_id;

            AVCodec* codec = ffmpeg.avcodec_find_decoder(codecID);

            if(codec == null)
            {
                throw new InvalidOperationException("Unsupported codec.");
            }

            ffmpeg.avcodec_open2(this.codecContext, codec, null).ThrowExceptionIfError();

            CodecName = ffmpeg.avcodec_get_name(codecID);

            FrameSize = new Size(this.codecContext->width, this.codecContext->height);

            PixelFormat = this.codecContext->pix_fmt;

            this.packet = ffmpeg.av_packet_alloc();

            this.frame = ffmpeg.av_frame_alloc();
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 컨텍스트 정보 딕셔너리 구하기 - GetContextInfoDictionary()

        /// <summary>
        /// 컨텍스트 정보 딕셔너리 구하기
        /// </summary>
        /// <returns>컨텍스트 정보 딕셔너리</returns>
        public IReadOnlyDictionary<string, string> GetContextInfoDictionary()
        {
            AVDictionaryEntry* dictionaryEntry = null;

            Dictionary<string, string> resultDictionary = new Dictionary<string, string>();

            while((dictionaryEntry = ffmpeg.av_dict_get(this.formatContext->metadata, "", dictionaryEntry, ffmpeg.AV_DICT_IGNORE_SUFFIX)) != null)
            {
                string key   = Marshal.PtrToStringAnsi((IntPtr)dictionaryEntry->key  );
                string value = Marshal.PtrToStringAnsi((IntPtr)dictionaryEntry->value);

                resultDictionary.Add(key, value);
            }

            return resultDictionary;
        }

        #endregion
        #region 다음 프레임 디코드 시도하기 - TryDecodeNextFrame(frame)

        /// <summary>
        /// 다음 프레임 디코드 시도하기
        /// </summary>
        /// <param name="frame">프레임</param>
        /// <returns>처리 결과</returns>
        public bool TryDecodeNextFrame(out AVFrame frame)
        {
            ffmpeg.av_frame_unref(this.frame);

            int errorCode;

            do
            {
                try
                {
                    do
                    {
                        errorCode = ffmpeg.av_read_frame(this.formatContext, this.packet);

                        if(errorCode == ffmpeg.AVERROR_EOF)
                        {
                            frame = *this.frame;

                            return false;
                        }

                        errorCode.ThrowExceptionIfError();
                    }
                    while(this.packet->stream_index != this.streamIndex);

                    ffmpeg.avcodec_send_packet(this.codecContext, this.packet).ThrowExceptionIfError();
                }
                finally
                {
                    ffmpeg.av_packet_unref(this.packet);
                }

                errorCode = ffmpeg.avcodec_receive_frame(this.codecContext, this.frame);
            }
            while(errorCode == ffmpeg.AVERROR(ffmpeg.EAGAIN));

            errorCode.ThrowExceptionIfError();

            frame = *this.frame;

            return true;
        }

        #endregion

        #region 리소스 해제하기 - Dispose()

        /// <summary>
        /// 리소스 해제하기
        /// </summary>
        public void Dispose()
        {
            ffmpeg.av_frame_unref(this.frame);

            ffmpeg.av_free(this.frame);

            ffmpeg.av_packet_unref(this.packet);

            ffmpeg.av_free(this.packet);

            ffmpeg.avcodec_close(this.codecContext);

            AVFormatContext* formatContext = this.formatContext;

            ffmpeg.avformat_close_input(&formatContext);
        }

        #endregion
    }
}

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using System;

using System.Collections.Generic;

using System.Runtime.InteropServices;

using System.Windows;

using FFmpeg.AutoGen;

namespace TestProject

{

/// <summary>

/// 비디오 스트림 디코더

/// </summary>

public sealed unsafe class VideoStreamDecoder : IDisposable

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// 포맷 컨텍스트

/// </summary>

private readonly AVFormatContext* formatContext;

/// <summary>

/// 스트림 인덱스

/// </summary>

private readonly int streamIndex;

/// <summary>

/// 코덱 컨텍스트

/// </summary>

private readonly AVCodecContext* codecContext;

/// <summary>

/// 패킷

/// </summary>

private readonly AVPacket* packet;

/// <summary>

/// 프레임

/// </summary>

private readonly AVFrame* frame;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Property

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 코덱명 - CodecName

/// <summary>

/// 코덱명

/// </summary>

public string CodecName { get; }

#endregion

#region 프레임 크기 - FrameSize

/// <summary>

/// 프레임 크기

/// </summary>

public Size FrameSize { get; }

#endregion

#region 픽셀 포맷 - PixelFormat

/// <summary>

/// 픽셀 포맷

/// </summary>

public AVPixelFormat PixelFormat { get; }

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - VideoStreamDecoder(device)

/// <summary>

/// 생성자

/// </summary>

/// <param name="device">장치</param>

public VideoStreamDecoder(string device)

{

this.formatContext = ffmpeg.avformat_alloc_context();

AVFormatContext* formatContext = this.formatContext;

ffmpeg.avdevice_register_all();

AVInputFormat* inputFormat = ffmpeg.av_find_input_format("dshow");

ffmpeg.avformat_open_input(&formatContext, device, inputFormat, null).ThrowExceptionIfError();

ffmpeg.avformat_find_stream_info(this.formatContext, null).ThrowExceptionIfError();

AVStream* stream = null;

for(var i = 0; i < this.formatContext->nb_streams; i++)

{

if(this.formatContext->streams[i]->codec->codec_type == AVMediaType.AVMEDIA_TYPE_VIDEO)

{

stream = this.formatContext->streams[i];

break;

}

if(stream == null)

{

throw new InvalidOperationException("Could not found video stream.");

}

this.streamIndex = stream->index;

this.codecContext = stream->codec;

AVCodecID codecID = this.codecContext->codec_id;

AVCodec* codec = ffmpeg.avcodec_find_decoder(codecID);

if(codec == null)

{

throw new InvalidOperationException("Unsupported codec.");

}

ffmpeg.avcodec_open2(this.codecContext, codec, null).ThrowExceptionIfError();

CodecName = ffmpeg.avcodec_get_name(codecID);

FrameSize = new Size(this.codecContext->width, this.codecContext->height);

PixelFormat = this.codecContext->pix_fmt;

this.packet = ffmpeg.av_packet_alloc();

this.frame = ffmpeg.av_frame_alloc();

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 컨텍스트 정보 딕셔너리 구하기 - GetContextInfoDictionary()

/// <summary>

/// 컨텍스트 정보 딕셔너리 구하기

/// </summary>

/// <returns>컨텍스트 정보 딕셔너리</returns>

public IReadOnlyDictionary<string, string> GetContextInfoDictionary()

{

AVDictionaryEntry* dictionaryEntry = null;

Dictionary<string, string> resultDictionary = new Dictionary<string, string>();

while((dictionaryEntry = ffmpeg.av_dict_get(this.formatContext->metadata, "", dictionaryEntry, ffmpeg.AV_DICT_IGNORE_SUFFIX)) != null)

{

string key = Marshal.PtrToStringAnsi((IntPtr)dictionaryEntry->key );

string value = Marshal.PtrToStringAnsi((IntPtr)dictionaryEntry->value);

resultDictionary.Add(key, value);

}

return resultDictionary;

}

#endregion

#region 다음 프레임 디코드 시도하기 - TryDecodeNextFrame(frame)

/// <summary>

/// 다음 프레임 디코드 시도하기

/// </summary>

/// <param name="frame">프레임</param>

/// <returns>처리 결과</returns>

public bool TryDecodeNextFrame(out AVFrame frame)

{

ffmpeg.av_frame_unref(this.frame);

int errorCode;

{

try

{

errorCode = ffmpeg.av_read_frame(this.formatContext, this.packet);

if(errorCode == ffmpeg.AVERROR_EOF)

{

frame = *this.frame;

return false;

}

errorCode.ThrowExceptionIfError();

}

while(this.packet->stream_index != this.streamIndex);

ffmpeg.avcodec_send_packet(this.codecContext, this.packet).ThrowExceptionIfError();

}

finally

{

ffmpeg.av_packet_unref(this.packet);

}

errorCode = ffmpeg.avcodec_receive_frame(this.codecContext, this.frame);

}

while(errorCode == ffmpeg.AVERROR(ffmpeg.EAGAIN));

errorCode.ThrowExceptionIfError();

frame = *this.frame;

return true;

}

#endregion

#region 리소스 해제하기 - Dispose()

/// <summary>

/// 리소스 해제하기

/// </summary>

public void Dispose()

{

ffmpeg.av_frame_unref(this.frame);

ffmpeg.av_free(this.frame);

ffmpeg.av_packet_unref(this.packet);

ffmpeg.av_free(this.packet);

ffmpeg.avcodec_close(this.codecContext);

AVFormatContext* formatContext = this.formatContext;

ffmpeg.avformat_close_input(&formatContext);

}

#endregion

}

▶ MainWindow.xaml


<Window x:Class="TestProject.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Width="800"
    Height="600"
    Title="FFMpeg을 사용해 웹 카메라 사용하기"
    FontFamily="나눔고딕코딩"
    FontSize="16">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="*"    />
            <RowDefinition Height="Auto" />
        </Grid.RowDefinitions>
        <Border Grid.Row="0"
            Margin="10"
            BorderThickness="1"
            BorderBrush="Black">
            <Image Name="image"
                HorizontalAlignment="Stretch"
                VerticalAlignment="Stretch" />
        </Border>
        <Button Name="playButton" Grid.Row="1"
            Margin="0 0 10 10"
            HorizontalAlignment="Right"
            Width="100"
            Height="30"
            Content="재생" />
    </Grid>
</Window>

<Window x:Class="TestProject.MainWindow"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

Width="800"

Height="600"

Title="FFMpeg을 사용해 웹 카메라 사용하기"

FontFamily="나눔고딕코딩"

FontSize="16">

<Grid>

<Grid.RowDefinitions>

</Grid.RowDefinitions>

<Border Grid.Row="0"

Margin="10"

BorderThickness="1"

BorderBrush="Black">

<Image Name="image"

HorizontalAlignment="Stretch"

VerticalAlignment="Stretch" />

</Border>

<Button Name="playButton" Grid.Row="1"

Margin="0 0 10 10"

HorizontalAlignment="Right"

Width="100"

Height="30"

Content="재생" />

</Grid>

</Window>

▶ MainWindow.xaml.cs

[C#/WPF] 웹 카메라 사용하기

■ 웹 카메라를 사용하는 방법을 보여준다. ※ 웹 카메라 캡처 부분을 캡처할 수 없었다. [TestProject 프로젝트] ▶ MainWindow.xaml


<Window x:Class="TestProject.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:library="clr-namespace:TestLibrary;assembly=TestLibrary"
    Width="800"
    Height="600"
    MinWidth="400"
    MinHeight="300"
    Title="웹 카메라 사용하기"
    FontFamily="나눔고딕코딩"
    FontSize="16">
    <Grid Margin="10">
        <Grid.RowDefinitions>
            <RowDefinition Height="*"    />
            <RowDefinition Height="10"   />
            <RowDefinition Height="Auto" />
        </Grid.RowDefinitions>
            <Border Grid.Row="0"
                BorderThickness="1"
                BorderBrush="Black">
                <library:WebCameraControl x:Name="webCameraControl" />
            </Border>
        <StackPanel Grid.Row="2"
            Orientation="Horizontal"
            HorizontalAlignment="Center"
            VerticalAlignment="Center">
            <ComboBox x:Name="videoCaptureDeviceComboBox"
                Margin="0 5 0 5"
                Width="200"
                Height="30"
                VerticalContentAlignment="Center"
                DisplayMemberPath="Name" />
            <Button x:Name="startButton"
                Margin="20 5 0 5"
                Width="100"
                Height="30"
                IsEnabled="True"
                Content="시작하기" />
            <Button x:Name="stopButton"
                Margin="10 5 0 5"
                Width="100"
                Height="30"
                Content="중단하기"
                IsEnabled="{Binding Path=IsCapturing, ElementName=webCameraControl}" />
            <Button x:Name="imageButton"
                Margin="10 5 0 5"
                Width="100"
                Height="30"
                Content="이미지"
                IsEnabled="{Binding Path=IsCapturing, ElementName=webCameraControl}" />
        </StackPanel>
    </Grid>
</Window>

<Window x:Class="TestProject.MainWindow"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

xmlns:library="clr-namespace:TestLibrary;assembly=TestLibrary"

Width="800"

Height="600"

MinWidth="400"

MinHeight="300"

Title="웹 카메라 사용하기"

FontFamily="나눔고딕코딩"

FontSize="16">

<Grid.RowDefinitions>

</Grid.RowDefinitions>

<Border Grid.Row="0"

BorderThickness="1"

BorderBrush="Black">

<library:WebCameraControl x:Name="webCameraControl" />

</Border>

<StackPanel Grid.Row="2"

Orientation="Horizontal"

HorizontalAlignment="Center"

VerticalAlignment="Center">

<ComboBox x:Name="videoCaptureDeviceComboBox"

Margin="0 5 0 5"

Width="200"

Height="30"

VerticalContentAlignment="Center"

DisplayMemberPath="Name" />

<Button x:Name="startButton"

Margin="20 5 0 5"

Width="100"

Height="30"

IsEnabled="True"

Content="시작하기" />

<Button x:Name="stopButton"

Margin="10 5 0 5"

Width="100"

Height="30"

Content="중단하기"

IsEnabled="{Binding Path=IsCapturing, ElementName=webCameraControl}" />

<Button x:Name="imageButton"

Margin="10 5 0 5"

Width="100"

Height="30"

Content="이미지"

IsEnabled="{Binding Path=IsCapturing, ElementName=webCameraControl}" />

</StackPanel>

</Grid>

</Window>

▶ MainWindow.xaml.cs


using Microsoft.Win32;
using System.Windows;
using System.Windows.Controls;

using TestLibrary;

namespace TestProject
{
    /// <summary>
    /// 메인 윈도우
    /// </summary>
    public partial class MainWindow
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainWindow()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainWindow()
        {
            InitializeComponent();

            this.videoCaptureDeviceComboBox.ItemsSource = this.webCameraControl.GetVideoCaptureDeviceList();

            if(this.videoCaptureDeviceComboBox.Items.Count > 0)
            {
                this.videoCaptureDeviceComboBox.SelectedItem = this.videoCaptureDeviceComboBox.Items[0];
            }

            this.videoCaptureDeviceComboBox.SelectionChanged += videoCaptureDeviceComboBox_SelectionChanged;
            this.startButton.Click                           += startButton_Click;
            this.stopButton.Click                            += stopButton_Click;
            this.imageButton.Click                           += imageButton_Click;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region 비디오 캡처 장치 콤보 박스 선택 변경시 처리하기 - videoCaptureDeviceComboBox_SelectionChanged(sender, e)

        /// <summary>
        /// 비디오 캡처 장치 콤보 박스 선택 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void videoCaptureDeviceComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            this.startButton.IsEnabled = e.AddedItems.Count > 0;
        }

        #endregion
        #region 시작하기 버튼 클릭시 처리하기 - startButton_Click(sender, e)

        /// <summary>
        /// 시작하기 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void startButton_Click(object sender, RoutedEventArgs e)
        {
            VideoCaptureDevice videoCaptureDevice = (VideoCaptureDevice)this.videoCaptureDeviceComboBox.SelectedItem;

            this.webCameraControl.StartCapture(videoCaptureDevice);

            this.startButton.IsEnabled = false;
        }

        #endregion
        #region 중단하기 버튼 클릭시 처리하기 - startButton_Click(sender, e)

        /// <summary>
        /// 중단하기 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void stopButton_Click(object sender, RoutedEventArgs e)
        {
            this.webCameraControl.StopCapture();

            this.startButton.IsEnabled = true;
        }

        #endregion
        #region 이미지 버튼 클릭시 처리하기 - startButton_Click(sender, e)

        /// <summary>
        /// 이미지 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void imageButton_Click(object sender, RoutedEventArgs e)
        {
            SaveFileDialog saveFileDialog = new SaveFileDialog { Filter = "비트맵 이미지|*.bmp" };

            if(saveFileDialog.ShowDialog() == true)
            {
                this.webCameraControl.GetCurrentImage().Save(saveFileDialog.FileName);
            }
        }

        #endregion
    }
}

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using Microsoft.Win32;

using System.Windows;

using System.Windows.Controls;

using TestLibrary;

namespace TestProject

{

/// <summary>

/// 메인 윈도우

/// </summary>

public partial class MainWindow

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainWindow()

/// <summary>

/// 생성자

/// </summary>

public MainWindow()

{

InitializeComponent();

this.videoCaptureDeviceComboBox.ItemsSource = this.webCameraControl.GetVideoCaptureDeviceList();

if(this.videoCaptureDeviceComboBox.Items.Count > 0)

{

this.videoCaptureDeviceComboBox.SelectedItem = this.videoCaptureDeviceComboBox.Items[0];

}

this.videoCaptureDeviceComboBox.SelectionChanged += videoCaptureDeviceComboBox_SelectionChanged;

this.startButton.Click += startButton_Click;

this.stopButton.Click += stopButton_Click;

this.imageButton.Click += imageButton_Click;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

#region 비디오 캡처 장치 콤보 박스 선택 변경시 처리하기 - videoCaptureDeviceComboBox_SelectionChanged(sender, e)

/// <summary>

/// 비디오 캡처 장치 콤보 박스 선택 변경시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void videoCaptureDeviceComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)

{

this.startButton.IsEnabled = e.AddedItems.Count > 0;

}

#endregion

#region 시작하기 버튼 클릭시 처리하기 - startButton_Click(sender, e)

/// <summary>

/// 시작하기 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void startButton_Click(object sender, RoutedEventArgs e)

{

VideoCaptureDevice videoCaptureDevice = (VideoCaptureDevice)this.videoCaptureDeviceComboBox.SelectedItem;

this.webCameraControl.StartCapture(videoCaptureDevice);

this.startButton.IsEnabled = false;

}

#endregion

#region 중단하기 버튼 클릭시 처리하기 - startButton_Click(sender, e)

/// <summary>

/// 중단하기 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void stopButton_Click(object sender, RoutedEventArgs e)

{

this.webCameraControl.StopCapture();

this.startButton.IsEnabled = true;

}

#endregion

#region 이미지 버튼 클릭시 처리하기 - startButton_Click(sender, e)

/// <summary>

/// 이미지 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void imageButton_Click(object sender, RoutedEventArgs e)

{

SaveFileDialog saveFileDialog = new SaveFileDialog { Filter = "비트맵 이미지|*.bmp" };

if(saveFileDialog.ShowDialog() == true)

{

this.webCameraControl.GetCurrentImage().Save(saveFileDialog.FileName);

}

#endregion

}

[C#/WINFORM] 웹 카메라 사용하기

■ 웹 카메라를 사용하는 방법을 보여준다. [TestProject 프로젝트] ▶ MainForm.cs


using System;
using System.Windows.Forms;

using TestLibrary;

namespace TestProject
{
    /// <summary>
    /// 메인 폼
    /// </summary>
    public partial class MainForm : Form
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Class
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region 콤보 박스 항목 - ComboBoxItem

        /// <summary>
        /// 콤보 박스 항목
        /// </summary>
        private class ComboBoxItem
        {
            //////////////////////////////////////////////////////////////////////////////////////////////////// Field
            ////////////////////////////////////////////////////////////////////////////////////////// Private

            #region Field

            /// <summary>
            /// 비디오 캡처 장치
            /// </summary>
            private readonly VideoCaptureDevice videoCaptureDevice;

            #endregion

            //////////////////////////////////////////////////////////////////////////////////////////////////// Property
            ////////////////////////////////////////////////////////////////////////////////////////// Public

            #region 비디오 캡처 장치 - VideoCaptureDevice

            /// <summary>
            /// 비디오 캡처 장치
            /// </summary>
            public VideoCaptureDevice VideoCaptureDevice
            {
                get
                {
                    return this.videoCaptureDevice;
                }
            }

            #endregion

            //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
            ////////////////////////////////////////////////////////////////////////////////////////// Public

            #region 생성자 - ComboBoxItem(videoCaptureDevice)

            /// <summary>
            /// 생성자
            /// </summary>
            /// <param name="videoCaptureDevice">비디오 캡처 장치</param>
            public ComboBoxItem(VideoCaptureDevice videoCaptureDevice)
            {
                this.videoCaptureDevice = videoCaptureDevice;
            }

            #endregion

            //////////////////////////////////////////////////////////////////////////////////////////////////// Method
            ////////////////////////////////////////////////////////////////////////////////////////// Public

            #region 문자열 구하기 - ToString()

            /// <summary>
            /// 문자열 구하기
            /// </summary>
            /// <returns>문자열</returns>
            public override string ToString()
            {
                return this.videoCaptureDevice.Name;
            }

            #endregion
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainForm()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainForm()
        {
            InitializeComponent();

            Load                                                 += Form_Load;
            this.videoCaptureDeviceComboBox.SelectedIndexChanged += videoCaptureDeviceComboBox_SelectedIndexChanged;
            this.startButton.Click                               += startButton_Click;
            this.stopButton.Click                                += stopButton_Click;
            this.imageButton.Click                               += imageButton_Click;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private
        //////////////////////////////////////////////////////////////////////////////// Event

        #region 폼 로드시 처리하기 - Form_Load(sender, e)

        /// <summary>
        /// 폼 로드시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void Form_Load(object sender, EventArgs e)
        {
            foreach(VideoCaptureDevice videoCaptureDevice in this.webCameraControl.GetVideoCaptureDeviceList())
            {
                this.videoCaptureDeviceComboBox.Items.Add(new ComboBoxItem(videoCaptureDevice));
            }

            if(this.videoCaptureDeviceComboBox.Items.Count > 0)
            {
                this.videoCaptureDeviceComboBox.SelectedItem = this.videoCaptureDeviceComboBox.Items[0];
            }
        }

        #endregion
        #region 비디오 캡처 장치 콤보 박스 선택 인덱스 변경시 처리하기 - videoCaptureDeviceComboBox_SelectedIndexChanged(sender, e)

        /// <summary>
        /// 비디오 캡처 장치 콤보 박스 선택 인덱스 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void videoCaptureDeviceComboBox_SelectedIndexChanged(object sender, EventArgs e)
        {
            SetButtonEnabled();
        }

        #endregion
        #region 시작하기 버튼 클릭시 처리하기 - startButton_Click(sender, e)

        /// <summary>
        /// 시작하기 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void startButton_Click(object sender, EventArgs e)
        {
            ComboBoxItem item = (ComboBoxItem)this.videoCaptureDeviceComboBox.SelectedItem;

            try
            {
                this.webCameraControl.StartCapture(item.VideoCaptureDevice);
            }
            finally
            {
                SetButtonEnabled();
            }
        }

        #endregion
        #region 중단하기 버튼 클릭시 처리하기 - stopButton_Click(sender, e)

        /// <summary>
        /// 중단하기 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void stopButton_Click(object sender, EventArgs e)
        {
            this.webCameraControl.StopCapture();

            SetButtonEnabled();
        }

        #endregion
        #region 이미지 버튼 클릭시 처리하기 - imageButton_Click(sender, e)

        /// <summary>
        /// 이미지 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void imageButton_Click(object sender, EventArgs e)
        {
            SaveFileDialog saveFileDialog = new SaveFileDialog();

            saveFileDialog.Filter = "비트맵 이미지|*.bmp";
            saveFileDialog.Title  = "이미지 저장";

            if(saveFileDialog.ShowDialog() == DialogResult.OK)
            {
                this.webCameraControl.GetCurrentImage().Save(saveFileDialog.FileName);
            }
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////// Function

        #region 버튼 이용 가능 여부 설정하기 - SetButtonEnabled()

        /// <summary>
        /// 버튼 이용 가능 여부 설정하기
        /// </summary>
        private void SetButtonEnabled()
        {
            this.startButton.Enabled = this.videoCaptureDeviceComboBox.SelectedItem != null;
            this.stopButton.Enabled  = this.webCameraControl.IsCapturing;
            this.imageButton.Enabled = this.webCameraControl.IsCapturing;
        }

        #endregion
    }
}

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using System;

using System.Windows.Forms;

using TestLibrary;

namespace TestProject

{

/// <summary>

/// 메인 폼

/// </summary>

public partial class MainForm : Form

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Class

////////////////////////////////////////////////////////////////////////////////////////// Private

#region 콤보 박스 항목 - ComboBoxItem

/// <summary>

/// 콤보 박스 항목

/// </summary>

private class ComboBoxItem

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// 비디오 캡처 장치

/// </summary>

private readonly VideoCaptureDevice videoCaptureDevice;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Property

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 비디오 캡처 장치 - VideoCaptureDevice

/// <summary>

/// 비디오 캡처 장치

/// </summary>

public VideoCaptureDevice VideoCaptureDevice

{

get

{

return this.videoCaptureDevice;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - ComboBoxItem(videoCaptureDevice)

/// <summary>

/// 생성자

/// </summary>

/// <param name="videoCaptureDevice">비디오 캡처 장치</param>

public ComboBoxItem(VideoCaptureDevice videoCaptureDevice)

{

this.videoCaptureDevice = videoCaptureDevice;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 문자열 구하기 - ToString()

/// <summary>

/// 문자열 구하기

/// </summary>

/// <returns>문자열</returns>

public override string ToString()

{

return this.videoCaptureDevice.Name;

}

#endregion

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainForm()

/// <summary>

/// 생성자

/// </summary>

public MainForm()

{

InitializeComponent();

Load += Form_Load;

this.videoCaptureDeviceComboBox.SelectedIndexChanged += videoCaptureDeviceComboBox_SelectedIndexChanged;

this.startButton.Click += startButton_Click;

this.stopButton.Click += stopButton_Click;

this.imageButton.Click += imageButton_Click;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

//////////////////////////////////////////////////////////////////////////////// Event

#region 폼 로드시 처리하기 - Form_Load(sender, e)

/// <summary>

/// 폼 로드시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void Form_Load(object sender, EventArgs e)

{

foreach(VideoCaptureDevice videoCaptureDevice in this.webCameraControl.GetVideoCaptureDeviceList())

{

this.videoCaptureDeviceComboBox.Items.Add(new ComboBoxItem(videoCaptureDevice));

}

if(this.videoCaptureDeviceComboBox.Items.Count > 0)

{

this.videoCaptureDeviceComboBox.SelectedItem = this.videoCaptureDeviceComboBox.Items[0];

}

#endregion

#region 비디오 캡처 장치 콤보 박스 선택 인덱스 변경시 처리하기 - videoCaptureDeviceComboBox_SelectedIndexChanged(sender, e)

/// <summary>

/// 비디오 캡처 장치 콤보 박스 선택 인덱스 변경시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void videoCaptureDeviceComboBox_SelectedIndexChanged(object sender, EventArgs e)

{

SetButtonEnabled();

}

#endregion

#region 시작하기 버튼 클릭시 처리하기 - startButton_Click(sender, e)

/// <summary>

/// 시작하기 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void startButton_Click(object sender, EventArgs e)

{

ComboBoxItem item = (ComboBoxItem)this.videoCaptureDeviceComboBox.SelectedItem;

try

{

this.webCameraControl.StartCapture(item.VideoCaptureDevice);

}

finally

{

SetButtonEnabled();

}

#endregion

#region 중단하기 버튼 클릭시 처리하기 - stopButton_Click(sender, e)

/// <summary>

/// 중단하기 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void stopButton_Click(object sender, EventArgs e)

{

this.webCameraControl.StopCapture();

SetButtonEnabled();

}

#endregion

#region 이미지 버튼 클릭시 처리하기 - imageButton_Click(sender, e)

/// <summary>

/// 이미지 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void imageButton_Click(object sender, EventArgs e)

{

SaveFileDialog saveFileDialog = new SaveFileDialog();

saveFileDialog.Filter = "비트맵 이미지|*.bmp";

saveFileDialog.Title = "이미지 저장";

if(saveFileDialog.ShowDialog() == DialogResult.OK)

{

this.webCameraControl.GetCurrentImage().Save(saveFileDialog.FileName);

}

#endregion

//////////////////////////////////////////////////////////////////////////////// Function

#region 버튼 이용 가능 여부 설정하기 - SetButtonEnabled()

/// <summary>

/// 버튼 이용 가능 여부 설정하기

/// </summary>

private void SetButtonEnabled()

{

this.startButton.Enabled = this.videoCaptureDeviceComboBox.SelectedItem != null;

this.stopButton.Enabled = this.webCameraControl.IsCapturing;

this.imageButton.Enabled = this.webCameraControl.IsCapturing;

}

#endregion

}

TestSolution.zip

[C#/WINFORM] 카메라 사진 크기 측정하기

■ 카메라 사진 크기를 측정하는 방법을 보여준다. ▶ MainForm.cs


using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;
using System.Globalization;
using System.IO;
using System.Text;
using System.Windows.Forms;

namespace TestProject
{
    /// <summary>
    /// 메인 폼
    /// </summary>
    public partial class MainForm : Form
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 카메라 정보 리스트
        /// </summary>
        private List<CameraInfo> cameraInfoList = new List<CameraInfo>();

        /// <summary>
        /// 축소/확대
        /// </summary>
        private float zoom = 1;

        /// <summary>
        /// 시작 X 좌표
        /// </summary>
        private int startX = 0;

        /// <summary>
        /// 시작 Y 좌표
        /// </summary>
        private int startY = 0;

        /// <summary>
        /// 이동 X 좌표
        /// </summary>
        private int moveX = 0;

        /// <summary>
        /// 이동 Y 좌표
        /// </summary>
        private int moveY = 0;

        /// <summary>
        /// 측정
        /// </summary>
        private double measure = 0;

        /// <summary>
        /// 객체 크기
        /// </summary>
        private double objectSize = 0;

        /// <summary>
        /// 객체 거리
        /// </summary>
        private double objectDistance = 0;

        /// <summary>
        /// 객체 크기 스케일
        /// </summary>
        private double objectSizeScale = .01;

        /// <summary>
        /// 객체 거리 스케일
        /// </summary>
        private double objectDistanceScale = 1;

        /// <summary>
        /// 측정 시작 X 좌표
        /// </summary>
        private int measureStartX = 0;

        /// <summary>
        /// 측정 시작 Y 좌표
        /// </summary>
        private int measureStartY = 0;

        /// <summary>
        /// 수평 여부
        /// </summary>
        private bool horizontal = true;

        /// <summary>
        /// 비트맵
        /// </summary>
        private Bitmap bitmap;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 메인 폼 - MainForm()

        /// <summary>
        /// 메인 폼
        /// </summary>
        public MainForm()
        {
            InitializeComponent();

            BuildCameraMenuItem();

            #region 파일 열기 대화 상자를 설정한다.

            this.openFileDialog.FileName         = "";
            this.openFileDialog.Filter           = "이미지 파일|*.*|JPG|*.jpg";
            this.openFileDialog.RestoreDirectory = true;

            #endregion

            #region 이벤트를 설정한다.

            Load                                            += Form_Load;
            Resize                                          += Form_Resize;

            this.openImageMenuItem.Click                    += openImageMenuItem_Click;
            this.exitMenuItem.Click                         += exitMenuItem_Click;

            this.thumbnailPictureBox.MouseDown              += thumbnailPictureBox_MouseDown;
            this.zoomTrackBar.Scroll                        += zoomTrackBar_Scroll;
            this.foscalLengthTextBox.TextChanged            += foscalLengthTextBox_TextChanged;
            this.cameraFactoryTextBox.TextChanged           += cameraFactoryTextBox_TextChanged;
            this.sensorWidthTextBox.TextChanged             += foscalLengthTextBox_TextChanged;
            this.sensorHeightTextBox.TextChanged            += foscalLengthTextBox_TextChanged;

            this.objectSizeTextBox.Click                    += objectSizeTextBox_Click;
            this.objectSizeTextBox.TextChanged              += objectSizeTextBox_TextChanged;
            this.objectSizeScaleComboBox.TextChanged        += objectSizeScaleComboBox_TextChanged;
            this.objectSizeScaleComboBox.DropDownClosed     += objectSizeScaleComboBox_DropDownClosed;
            this.findDistanceButton.Click                   += findDistanceButton_Click;
            this.findSizeButton.Click                       += findSizeButton_Click;
            this.objectDistanceTextBox.Click                += objectDistanceTextBox_Click;
            this.objectDistanceTextBox.TextChanged          += objectDistanceTextBox_TextChanged;
            this.objectDistanceSacleComboBox.TextChanged    += objectDistanceSacleComboBox_TextChanged;
            this.objectDistanceSacleComboBox.DropDownClosed += objectDistanceSacleComboBox_DropDownClosed;
            this.moveImageButton.Click                      += moveImageButton_Click;
            this.measureButton.Click                        += measureButton_Click;

            this.mainPictureBox.MouseDown                   += mainPictureBox_MouseDown;
            this.mainPictureBox.MouseMove                   += mainPictureBox_MouseMove;

            #endregion
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private
        //////////////////////////////////////////////////////////////////////////////// Event

        #region 폼 로드시 처리하기 - Form_Load(sender, e)

        /// <summary>
        /// 폼 로드시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void Form_Load(object sender, EventArgs e)
        {
            UpdatePictureBox();
        }

        #endregion
        #region 폼 크기 조정시 처리하기 - Form_Resize(sender, e)

        /// <summary>
        /// 폼 크기 조정시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void Form_Resize(object sender, EventArgs e)
        {
            UpdatePictureBox();
        }

        #endregion

        #region 이미지 열기 메뉴 항목 클릭시 처리하기 - openImageMenuItem_Click(sender, e)

        /// <summary>
        /// 이미지 열기 메뉴 항목 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void openImageMenuItem_Click(object sender, EventArgs e)
        {
            if(this.openFileDialog.ShowDialog() == DialogResult.OK)
            {
                string imageFilePath = this.openFileDialog.FileName;

                try
                {
                    Image image = Image.FromFile(imageFilePath);

                    this.thumbnailPictureBox.Image = image;

                    this.zoomTrackBar.Value = 50;

                    this.startX         = 0;
                    this.startY         = 0;
                    this.objectSize     = 0;
                    this.objectDistance = 0;
                    this.measure        = 0;

                    this.objectDistanceTextBox.Text = string.Empty;
                    this.objectSizeTextBox.Text     = string.Empty;

                    this.locationOnFileLabel.Text   = "파일상 위치 (pixel) : ";
                    this.locationOnSenserLabel.Text = "센서상 위치 (mm) : ";
                    this.sizeOnSensorLabel.Text     = "센서상 크기 (mm) : ";

                    this.imageWidthTextBox.Text    = string.Empty;
                    this.imageHeightTextBox.Text   = string.Empty;
                    this.foscalLengthTextBox.Text  = string.Empty;
                    this.cameraFactoryTextBox.Text = string.Empty;

                    SetZoom();

                    PropertyItem propertyItem = image.GetPropertyItem(37386);

                    byte[] lowByteArray  = new byte[propertyItem.Len / 2];
                    byte[] highByteArray = new byte[propertyItem.Len / 2];

                    Array.Copy(propertyItem.Value, 0                   , lowByteArray , 0, propertyItem.Len / 2);
                    Array.Copy(propertyItem.Value, propertyItem.Len / 2, highByteArray, 0, propertyItem.Len / 2);

                    this.foscalLengthTextBox.Text = Convert.ToString((float)GetUnsignedInteger(lowByteArray) / GetUnsignedInteger(highByteArray));

                    this.imageWidthTextBox.Text  = image.PhysicalDimension.Width.ToString();
                    this.imageHeightTextBox.Text = image.PhysicalDimension.Height.ToString();

                    if(image.PhysicalDimension.Width > image.PhysicalDimension.Height)
                    {
                        this.horizontal = true;
                    }
                    else
                    {
                        this.horizontal = false;
                    }

                    Encoding encoding = Encoding.ASCII;

                    string cameraFactory = encoding.GetString(image.GetPropertyItem(271).Value).Replace("\0", "\r\n");

                    cameraFactory += encoding.GetString(image.GetPropertyItem(272).Value);

                    this.cameraFactoryTextBox.Text = cameraFactory;

                    Text = "카메라 사진 크기 측정하기 " + " - " + openFileDialog.FileName;
                }
                catch
                {
                }
            }
        }

        #endregion
        #region 종료 메뉴 항목 클릭시 처리하기 - exitMenuItem_Click(sender, e)

        /// <summary>
        /// 종료 메뉴 항목 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void exitMenuItem_Click(object sender, EventArgs e)
        {
            Application.Exit();
        }

        #endregion

        #region 썸네일 픽처 박스 마우스 DOWN 처리하기 - thumbnailPictureBox_MouseDown(sender, e)

        /// <summary>
        /// 썸네일 픽처 박스 마우스 DOWN 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void thumbnailPictureBox_MouseDown(object sender, MouseEventArgs e)
        {
            try
            {
                this.startX = this.thumbnailPictureBox.Image.Width  * e.X / this.thumbnailPictureBox.Width;
                this.startY = this.thumbnailPictureBox.Image.Height * e.Y / this.thumbnailPictureBox.Height;

                UpdatePictureBox();
            }
            catch
            {
            }
        }

        #endregion
        #region 축소/확대 트랙바 스크롤시 처리하기 - zoomTrackBar_Scroll(sender, e)

        /// <summary>
        /// 축소/확대 트랙바 스크롤시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void zoomTrackBar_Scroll(object sender, EventArgs e)
        {
            SetZoom();
        }

        #endregion
        #region 초점 거리 텍스트 박스 텍스트 변경시 처리하기 - foscalLengthTextBox_TextChanged(sender, e)

        /// <summary>
        /// 초점 거리 텍스트 박스 텍스트 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void foscalLengthTextBox_TextChanged(object sender, EventArgs e)
        {
            string equivalenceString = string.Empty;

            try
            {
                double equivalence = Math.Pow((Math.Pow(Convert.ToSingle(this.sensorWidthTextBox.Text), 2) +
                    Math.Pow(Convert.ToSingle(this.sensorHeightTextBox.Text), 2)), 0.5);

                equivalence = Math.Round((43.2666153 / equivalence) * Convert.ToSingle(this.foscalLengthTextBox.Text));

                equivalenceString = equivalence.ToString();
            }
            catch
            {
            }

            this.equivalentTextBox.Text = equivalenceString;
        }

        #endregion
        #region 카메라 공장 텍스트 박스 텍스트 변경시 처리하기 - cameraFactoryTextBox_TextChanged(sender, e)

        /// <summary>
        /// 카메라 공장 텍스트 박스 텍스트 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void cameraFactoryTextBox_TextChanged(object sender, EventArgs e)
        {
            SearchCamera();
        }

        #endregion

        #region 객체 크기 텍스트 박스 클릭시 처리하기 - objectSizeTextBox_Click(sender, e)

        /// <summary>
        /// 객체 크기 텍스트 박스 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void objectSizeTextBox_Click(object sender, EventArgs e)
        {
            this.objectSizeTextBox.SelectionStart  = 0;
            this.objectSizeTextBox.SelectionLength = this.objectSizeTextBox.Text.Length;
        }

        #endregion
        #region 객체 크기 텍스트 박스 텍스트 변경시 처리하기 - objectSizeTextBox_TextChanged(sender, e)

        /// <summary>
        /// 객체 크기 텍스트 박스 텍스트 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void objectSizeTextBox_TextChanged(object sender, EventArgs e)
        {
            if(this.objectSizeTextBox.Selected)
            {
                try
                {
                    SetFindButton(true);

                    this.objectSize = Convert.ToDouble(this.objectSizeTextBox.Text) * this.objectSizeScale;

                    SetObjectDistance();
                }
                catch
                {
                }
            }
        }

        #endregion
        #region 객체 크기 스케일 콤보 박스 텍스트 변경시 처리하기 - objectSizeScaleComboBox_TextChanged(sender, e)

        /// <summary>
        /// 객체 크기 스케일 콤보 박스 텍스트 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void objectSizeScaleComboBox_TextChanged(object sender, EventArgs e)
        {
            this.objectSizeScale = GetSize(this.objectSizeScaleComboBox.Text);

            this.objectSizeTextBox.Text = Convert.ToString(Math.Round(this.objectSize / this.objectSizeScale, 2));
        }

        #endregion
        #region 객체 크기 스케일 콤보 박스 드롭 다운 닫은 경우 처리하기 - objectSizeScaleComboBox_DropDownClosed(sender, e)

        /// <summary>
        /// 객체 크기 스케일 콤보 박스 드롭 다운 닫은 경우 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void objectSizeScaleComboBox_DropDownClosed(object sender, EventArgs e)
        {
            this.zoomTrackBar.Select();
        }

        #endregion
        #region 거리 찾기 버튼 클릭시 처리하기 - findDistanceButton_Click(sender, e)

        /// <summary>
        /// 거리 찾기 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void findDistanceButton_Click(object sender, EventArgs e)
        {
            SetFindButton(true);
        }

        #endregion
        #region 크기 찾기 버튼 클릭시 처리하기 - findSizeButton_Click(sender, e)

        /// <summary>
        /// 크기 찾기 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void findSizeButton_Click(object sender, EventArgs e)
        {
            SetFindButton(false );
        }

        #endregion
        #region 객체 거리 텍스트 박스 클릭시 처리하기 - objectDistanceTextBox_Click(sender, e)

        /// <summary>
        /// 객체 거리 텍스트 박스 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void objectDistanceTextBox_Click(object sender, EventArgs e)
        {
            this.objectDistanceTextBox.SelectionStart  = 0;
            this.objectDistanceTextBox.SelectionLength = this.objectDistanceTextBox.Text.Length;
        }

        #endregion
        #region 객체 거리 텍스트 박스 텍스트 변경시 처리하기 - objectDistanceTextBox_TextChanged(sender, e)

        /// <summary>
        /// 객체 거리 텍스트 박스 텍스트 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void objectDistanceTextBox_TextChanged(object sender, EventArgs e)
        {
            if(this.objectDistanceTextBox.Selected)
            {
                try
                {
                    SetFindButton(false);

                    this.objectDistance = Convert.ToDouble(this.objectDistanceTextBox.Text) * this.objectDistanceScale;

                    SetObjectSize();
                }
                catch
                {
                }
            }
        }

        #endregion
        #region 객체 거리 스케일 콤보 박스 텍스트 변경시 처리하기 - objectDistanceSacleComboBox_TextChanged(sender, e)

        /// <summary>
        /// 객체 거리 스케일 콤보 박스 텍스트 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void objectDistanceSacleComboBox_TextChanged(object sender, EventArgs e)
        {
            this.objectDistanceScale = GetSize(this.objectDistanceSacleComboBox.Text);

            this.objectDistanceTextBox.Text = Convert.ToString(Math.Round(this.objectDistance / this.objectDistanceScale, 2));
        }

        #endregion
        #region 객체 거리 스케일 콤보 박스 드롭 다운 닫은 경우 처리하기 - objectDistanceSacleComboBox_DropDownClosed(sender, e)

        /// <summary>
        /// 객체 거리 스케일 콤보 박스 드롭 다운 닫은 경우 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void objectDistanceSacleComboBox_DropDownClosed(object sender, EventArgs e)
        {
            this.zoomTrackBar.Select();
        }

        #endregion
        #region 이미지 이동 버튼 클릭시 처리하기 - moveImageButton_Click(sender, e)

        /// <summary>
        /// 이미지 이동 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void moveImageButton_Click(object sender, EventArgs e)
        {
            this.moveImageButton.Checked = true;

            this.measureButton.Checked = false;

            this.mainPictureBox.Cursor = Cursors.Hand;
        }

        #endregion
        #region 측정 버튼 클릭시 처리하기 - measureButton_Click(sender, e)

        /// <summary>
        /// 측정 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void measureButton_Click(object sender, EventArgs e)
        {
            this.moveImageButton.Checked = false;

            this.measureButton.Checked = true;

            this.mainPictureBox.Cursor = Cursors.Cross;
        }

        #endregion

        #region 메인 픽처 박스 마우스 DOWN 처리하기 - mainPictureBox_MouseDown(sender, e)

        /// <summary>
        /// 메인 픽처 박스 마우스 DOWN 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void mainPictureBox_MouseDown(object sender, MouseEventArgs e)
        {
            if(this.moveImageButton.Checked)
            {
                this.moveX = e.X;
                this.moveY = e.Y;
            }
            else
            {
                this.measureStartX = e.X;
                this.measureStartY = e.Y;
            }
        }

        #endregion
        #region 메인 픽처 박스 마우스 이동시 처리하기 - mainPictureBox_MouseMove(sender, e)

        /// <summary>
        /// 메인 픽처 박스 마우스 이동시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void mainPictureBox_MouseMove(object sender, MouseEventArgs e)
        {
            if(e.Button == MouseButtons.Left)
            {
                if(this.moveImageButton.Checked)
                {
                    this.startX -= e.X - this.moveX;

                    if(this.startX < 0)
                    {
                        this.startX = 0;
                    }

                    this.startY -= e.Y - this.moveY;

                    if(this.startY < 0)
                    {
                        this.startY = 0;
                    }

                    this.moveX = e.X;
                    this.moveY = e.Y;

                    UpdatePictureBox();
                }
                else
                {
                    try
                    {
                        double differenceX = Math.Abs(this.measureStartX - e.X) * this.zoom * Convert.ToSingle(this.horizontal ? this.sensorWidthTextBox.Text  :
                            this.sensorHeightTextBox.Text) / Convert.ToSingle(this.imageWidthTextBox.Text );
                        double differenceY = Math.Abs(this.measureStartY - e.Y) * this.zoom * Convert.ToSingle(this.horizontal ? this.sensorHeightTextBox.Text :
                            this.sensorWidthTextBox.Text ) / Convert.ToSingle(this.imageHeightTextBox.Text);

                        this.measure = Math.Pow((Math.Pow(differenceX, 2) + Math.Pow(differenceY, 2)), 0.5);

                        this.sizeOnSensorLabel.Text = "센서상 크기 (mm) : " + this.measure.ToString();

                        this.mainPictureBox.Refresh();

                        Graphics graphics = mainPictureBox.CreateGraphics();

                        graphics.ResetClip();

                        graphics.DrawLine(new Pen(Color.Red), this.measureStartX, this.measureStartY, e.X, e.Y);

                        if(this.findDistanceButton.Checked)
                        {
                            SetObjectDistance();
                        }
                        else
                        {
                            SetObjectSize();
                        }
                    }
                    catch
                    {
                    }
                }
            }

            try
            {
                float fileX = this.startX + e.X * this.zoom;
                float fileY = this.startY + e.Y * this.zoom;

                float sensorX = fileX * Convert.ToSingle(this.horizontal ? this.sensorWidthTextBox.Text  : this.sensorHeightTextBox.Text) /
                    Convert.ToSingle(this.imageWidthTextBox.Text );
                float sensorY = fileY * Convert.ToSingle(this.horizontal ? this.sensorHeightTextBox.Text : this.sensorWidthTextBox.Text ) /
                    Convert.ToSingle(this.imageHeightTextBox.Text);

                this.locationOnFileLabel.Text  = "파일상 위치 (pixel) X :" + fileX.ToString() + " Y : " + fileY.ToString();
                this.locationOnSenserLabel.Text= "센서상 위치 (mm) X : " + sensorX.ToString() + "  Y : " + sensorY.ToString();
            }
            catch
            {
            }
        }

        #endregion

        #region 카메라 메뉴 항목 클릭시 처리하기 - cameraMenuItem_Click(sender, e)

        /// <summary>
        /// 카메라 메뉴 항목 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void cameraMenuItem_Click(object sender, EventArgs e)
        {
            this.cameraFactoryTextBox.Text = ((ToolStripItem)sender).OwnerItem.Text;
            this.cameraFactoryTextBox.Text += "\r\n" + ((ToolStripItem)sender).OwnerItem.Text + " " + ((ToolStripItem)sender).Text;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////// Function

        #region 카메라 메뉴 항목 구축하기 - BuildCameraMenuItem()

        /// <summary>
        /// 카메라 메뉴 항목 구축하기
        /// </summary>
        private void BuildCameraMenuItem()
        {
            this.cameraInfoList.Clear();

            this.cameraMenuItem.DropDownItems.Clear();

            string cameraListFilePath = Path.Combine(Application.StartupPath, @"DATA\CameraList.info");

            if(File.Exists(cameraListFilePath))
            {
                string content = File.ReadAllText(cameraListFilePath);

                string[] lineArray = content.Split('\n');

                CultureInfo cultureInfo = new CultureInfo("en-US");

                foreach(string line in lineArray)
                {
                    if(string.IsNullOrWhiteSpace(line))
                    {
                        continue;
                    }

                    if(line.StartsWith("//"))
                    {
                        continue;
                    }

                    string[] tokenArray = line.Split(new string[] { "," }, StringSplitOptions.None);

                    try
                    {
                        CameraInfo cameraInfo = new CameraInfo();

                        cameraInfo.Factory      = tokenArray[0].Trim();
                        cameraInfo.Model        = tokenArray[1].Trim();
                        cameraInfo.AliasName    = tokenArray[2].Trim();
                        cameraInfo.SensorType   = tokenArray[3].Trim();
                        cameraInfo.SensorWidth  = Single.Parse(tokenArray[4], cultureInfo);
                        cameraInfo.SensorHeight = Single.Parse(tokenArray[5], cultureInfo);

                        this.cameraInfoList.Add(cameraInfo);

                        bool newFactory = true;

                        foreach(ToolStripMenuItem menuItem in this.cameraMenuItem.DropDownItems)
                        {
                            if(menuItem.Text.Contains(cameraInfo.Factory))
                            {
                                newFactory = false;

                                break;
                            }
                        }

                        if(newFactory)
                        {
                            this.cameraMenuItem.DropDownItems.Add(cameraInfo.Factory);
                        }

                        foreach(ToolStripMenuItem menuItem in this.cameraMenuItem.DropDownItems)
                        {
                            if(menuItem.Text.Contains(cameraInfo.Factory))
                            {
                                menuItem.DropDownItems.Add(cameraInfo.Model + (cameraInfo.AliasName == "" ? "" : " - " + cameraInfo.AliasName ),
                                    null, cameraMenuItem_Click);
                            }
                        }
                    }
                    catch
                    {
                    }
                }
            }
        }

        #endregion
        #region 픽처 박스 업데이트 하기 - UpdatePictureBox()

        /// <summary>
        /// 픽처 박스 업데이트 하기
        /// </summary>
        private void UpdatePictureBox()
        {
            try
            {
                this.bitmap = new Bitmap(this.mainPictureBox.Width, this.mainPictureBox.Height);

                Graphics bitmapGraphics = Graphics.FromImage(this.bitmap);

                bitmapGraphics.SmoothingMode = SmoothingMode.AntiAlias;

                bitmapGraphics.DrawImage
                (
                    this.thumbnailPictureBox.Image,
                    new Rectangle(0, 0, this.mainPictureBox.Width, this.mainPictureBox.Height),
                    new Rectangle(this.startX, this.startY, (int)(this.mainPictureBox.Width * this.zoom), (int)(this.mainPictureBox.Height * this.zoom)),
                    GraphicsUnit.Pixel
                );

                this.mainPictureBox.Image = this.bitmap;
            }
            catch
            {
            }
        }

        #endregion
        #region 카메라 찾기 - SearchCamera()

        /// <summary>
        /// 카메라 찾기
        /// </summary>
        private void SearchCamera()
        {
            this.sensorTypeTextBox.Text   = string.Empty;
            this.sensorHeightTextBox.Text = string.Empty;
            this.sensorWidthTextBox.Text  = string.Empty;

            this.cameraPictureBox.Image = null;

            this.toolTip.SetToolTip(this.cameraPictureBox, string.Empty);

            string searchControl = "MRK";
            string camereName    = this.cameraFactoryTextBox.Text.Replace(" ", "").Replace("-", "").ToLower() + searchControl;
            bool   cameraFound   = false;
            byte   cameraLoop    = 0;

            do
            {
                foreach(CameraInfo cameraInfo in this.cameraInfoList)
                {
                    if(camereName.Contains(cameraInfo.Factory.Replace(" ", "").ToLower()) && !cameraFound)
                    {
                        if(camereName.Contains(cameraInfo.Model.Replace(" ", "").Replace("-", "").ToLower() + searchControl) ||
                            (camereName.Contains(cameraInfo.AliasName.Replace(" ", "").Replace("-", "").ToLower() + searchControl) && cameraInfo.AliasName != ""))
                        {
                            this.sensorTypeTextBox.Text   = cameraInfo.SensorType;
                            this.sensorWidthTextBox.Text  = cameraInfo.SensorWidth.ToString();
                            this.sensorHeightTextBox.Text = cameraInfo.SensorHeight.ToString();

                            this.toolTip.SetToolTip(this.cameraPictureBox, cameraInfo.Factory + " " + cameraInfo.Model);

                            string cameraImageFilePath = Application.StartupPath + "\\Data\\" + cameraInfo.Factory + "_" +
                                cameraInfo.Model.Replace(" ", "").Replace("-", "") + ".gif";

                            if(File.Exists(cameraImageFilePath))
                            {
                                this.cameraPictureBox.Image = Image.FromFile(cameraImageFilePath);
                            }

                            cameraFound = true;
                        }
                    }
                }

                searchControl = string.Empty;

                cameraLoop++;
            }
            while(!cameraFound && cameraLoop < 2);
        }

        #endregion
        #region 축소/확대 설정하기 - SetZoom()

        /// <summary>
        /// 축소/확대 설정하기
        /// </summary>
        private void SetZoom()
        {
            this.zoom = 50 / (float)zoomTrackBar.Value;

            this.toolTip.SetToolTip(zoomTrackBar ,"줌 배율 : " + Convert.ToString((100 / this.zoom)) + "%");

            UpdatePictureBox();
        }

        #endregion
        #region 부호 없는 정수 구하기 - GetUnsignedInteger(sourceArray)

        /// <summary>
        /// 부호 없는 정수 구하기
        /// </summary>
        /// <param name="sourceArray">소스 배열</param>
        /// <returns>부호 없는 정수</returns>
        private uint GetUnsignedInteger(byte[] sourceArray)
        {
            if(sourceArray.Length != 4)
            {
                return 0;
            }
            else
            {
                return Convert.ToUInt32(sourceArray[3] << 24 | sourceArray[2] << 16 | sourceArray[1] << 8 | sourceArray[0]);
            }
        }

        #endregion
        #region 객체 거리 설정하기 - SetObjectDistance()

        /// <summary>
        /// 객체 거리 설정하기
        /// </summary>
        private void SetObjectDistance()
        {
            this.objectDistanceTextBox.Text = string.Empty;

            try
            {
                this.objectDistance = this.objectSize / (this.measure / Convert.ToDouble(this.foscalLengthTextBox.Text));

                this.objectDistanceTextBox.Text = Convert.ToString(Math.Round(this.objectDistance / this.objectDistanceScale, 2));
            }
            catch
            {
            }
        }

        #endregion
        #region 객체 크기 설정하기 - SetObjectSize()

        /// <summary>
        /// 객체 크기 설정하기
        /// </summary>
        private void SetObjectSize()
        {
            this.objectSizeTextBox.Text = string.Empty;

            try
            {
                this.objectSize = this.objectDistance * (this.measure / Convert.ToDouble(this.foscalLengthTextBox.Text));

                this.objectSizeTextBox.Text = Convert.ToString(Math.Round(this.objectSize / this.objectSizeScale, 2));
            }
            catch
            {
            }
        }

        #endregion
        #region 찾기 버튼 설정하기 - SetFindButton(isChecked)

        /// <summary>
        /// 찾기 버튼 설정하기
        /// </summary>
        /// <param name="isChecked">체크 여부</param>
        private void SetFindButton(bool isChecked)
        {
            this.findDistanceButton.Checked = isChecked;
            this.findSizeButton.Checked     = !isChecked;

            if(isChecked)
            {
                SetObjectDistance();
            }
            else
            {
                SetObjectSize();
            }
        }

        #endregion
        #region 크기 구하기 - GetSize(sizeUnit)

        /// <summary>
        /// 크기 구하기
        /// </summary>
        /// <param name="sizeUnit">크기 단위</param>
        /// <returns>크기</returns>
        private double GetSize(string sizeUnit)
        {
            switch(sizeUnit.Trim().ToLower())
            {
                case "mm"   : return .001;
                case "cm"   : return .01;
                case "m"    : return 1;
                case "km"   : return 1000;
                case "inch" : return .0254;
                case "foot" : return .3048;
                case "mile" : return 1609.344;
            }

            return 0;
        }

        #endregion
    }
}

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using System;

using System.Collections.Generic;

using System.Drawing;

using System.Drawing.Drawing2D;

using System.Drawing.Imaging;

using System.Globalization;

using System.IO;

using System.Text;

using System.Windows.Forms;

namespace TestProject

{

/// <summary>

/// 메인 폼

/// </summary>

public partial class MainForm : Form

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// 카메라 정보 리스트

/// </summary>

private List<CameraInfo> cameraInfoList = new List<CameraInfo>();

/// <summary>

/// 축소/확대

/// </summary>

private float zoom = 1;

/// <summary>

/// 시작 X 좌표

/// </summary>

private int startX = 0;

/// <summary>

/// 시작 Y 좌표

/// </summary>

private int startY = 0;

/// <summary>

/// 이동 X 좌표

/// </summary>

private int moveX = 0;

/// <summary>

/// 이동 Y 좌표

/// </summary>

private int moveY = 0;

/// <summary>

/// 측정

/// </summary>

private double measure = 0;

/// <summary>

/// 객체 크기

/// </summary>

private double objectSize = 0;

/// <summary>

/// 객체 거리

/// </summary>

private double objectDistance = 0;

/// <summary>

/// 객체 크기 스케일

/// </summary>

private double objectSizeScale = .01;

/// <summary>

/// 객체 거리 스케일

/// </summary>

private double objectDistanceScale = 1;

/// <summary>

/// 측정 시작 X 좌표

/// </summary>

private int measureStartX = 0;

/// <summary>

/// 측정 시작 Y 좌표

/// </summary>

private int measureStartY = 0;

/// <summary>

/// 수평 여부

/// </summary>

private bool horizontal = true;

/// <summary>

/// 비트맵

/// </summary>

private Bitmap bitmap;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 메인 폼 - MainForm()

/// <summary>

/// 메인 폼

/// </summary>

public MainForm()

{

InitializeComponent();

BuildCameraMenuItem();

#region 파일 열기 대화 상자를 설정한다.

this.openFileDialog.FileName = "";

this.openFileDialog.Filter = "이미지 파일|*.*|JPG|*.jpg";

this.openFileDialog.RestoreDirectory = true;

#endregion

#region 이벤트를 설정한다.

Load += Form_Load;

Resize += Form_Resize;

this.openImageMenuItem.Click += openImageMenuItem_Click;

this.exitMenuItem.Click += exitMenuItem_Click;

this.thumbnailPictureBox.MouseDown += thumbnailPictureBox_MouseDown;

this.zoomTrackBar.Scroll += zoomTrackBar_Scroll;

this.foscalLengthTextBox.TextChanged += foscalLengthTextBox_TextChanged;

this.cameraFactoryTextBox.TextChanged += cameraFactoryTextBox_TextChanged;

this.sensorWidthTextBox.TextChanged += foscalLengthTextBox_TextChanged;

this.sensorHeightTextBox.TextChanged += foscalLengthTextBox_TextChanged;

this.objectSizeTextBox.Click += objectSizeTextBox_Click;

this.objectSizeTextBox.TextChanged += objectSizeTextBox_TextChanged;

this.objectSizeScaleComboBox.TextChanged += objectSizeScaleComboBox_TextChanged;

this.objectSizeScaleComboBox.DropDownClosed += objectSizeScaleComboBox_DropDownClosed;

this.findDistanceButton.Click += findDistanceButton_Click;

this.findSizeButton.Click += findSizeButton_Click;

this.objectDistanceTextBox.Click += objectDistanceTextBox_Click;

this.objectDistanceTextBox.TextChanged += objectDistanceTextBox_TextChanged;

this.objectDistanceSacleComboBox.TextChanged += objectDistanceSacleComboBox_TextChanged;

this.objectDistanceSacleComboBox.DropDownClosed += objectDistanceSacleComboBox_DropDownClosed;

this.moveImageButton.Click += moveImageButton_Click;

this.measureButton.Click += measureButton_Click;

this.mainPictureBox.MouseDown += mainPictureBox_MouseDown;

this.mainPictureBox.MouseMove += mainPictureBox_MouseMove;

#endregion

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

//////////////////////////////////////////////////////////////////////////////// Event

#region 폼 로드시 처리하기 - Form_Load(sender, e)

/// <summary>

/// 폼 로드시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void Form_Load(object sender, EventArgs e)

{

UpdatePictureBox();

}

#endregion

#region 폼 크기 조정시 처리하기 - Form_Resize(sender, e)

/// <summary>

/// 폼 크기 조정시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void Form_Resize(object sender, EventArgs e)

{

UpdatePictureBox();

}

#endregion

#region 이미지 열기 메뉴 항목 클릭시 처리하기 - openImageMenuItem_Click(sender, e)

/// <summary>

/// 이미지 열기 메뉴 항목 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void openImageMenuItem_Click(object sender, EventArgs e)

{

if(this.openFileDialog.ShowDialog() == DialogResult.OK)

{

string imageFilePath = this.openFileDialog.FileName;

try

{

Image image = Image.FromFile(imageFilePath);

this.thumbnailPictureBox.Image = image;

this.zoomTrackBar.Value = 50;

this.startX = 0;

this.startY = 0;

this.objectSize = 0;

this.objectDistance = 0;

this.measure = 0;

this.objectDistanceTextBox.Text = string.Empty;

this.objectSizeTextBox.Text = string.Empty;

this.locationOnFileLabel.Text = "파일상 위치 (pixel) : ";

this.locationOnSenserLabel.Text = "센서상 위치 (mm) : ";

this.sizeOnSensorLabel.Text = "센서상 크기 (mm) : ";

this.imageWidthTextBox.Text = string.Empty;

this.imageHeightTextBox.Text = string.Empty;

this.foscalLengthTextBox.Text = string.Empty;

this.cameraFactoryTextBox.Text = string.Empty;

SetZoom();

PropertyItem propertyItem = image.GetPropertyItem(37386);

byte[] lowByteArray = new byte[propertyItem.Len / 2];

byte[] highByteArray = new byte[propertyItem.Len / 2];

Array.Copy(propertyItem.Value, 0 , lowByteArray , 0, propertyItem.Len / 2);

Array.Copy(propertyItem.Value, propertyItem.Len / 2, highByteArray, 0, propertyItem.Len / 2);

this.foscalLengthTextBox.Text = Convert.ToString((float)GetUnsignedInteger(lowByteArray) / GetUnsignedInteger(highByteArray));

this.imageWidthTextBox.Text = image.PhysicalDimension.Width.ToString();

this.imageHeightTextBox.Text = image.PhysicalDimension.Height.ToString();

if(image.PhysicalDimension.Width > image.PhysicalDimension.Height)

{

this.horizontal = true;

}

else

{

this.horizontal = false;

}

Encoding encoding = Encoding.ASCII;

string cameraFactory = encoding.GetString(image.GetPropertyItem(271).Value).Replace("\0", "\r\n");

cameraFactory += encoding.GetString(image.GetPropertyItem(272).Value);

this.cameraFactoryTextBox.Text = cameraFactory;

Text = "카메라 사진 크기 측정하기 " + " - " + openFileDialog.FileName;

}

catch

{

}

#endregion

#region 종료 메뉴 항목 클릭시 처리하기 - exitMenuItem_Click(sender, e)

/// <summary>

/// 종료 메뉴 항목 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void exitMenuItem_Click(object sender, EventArgs e)

{

Application.Exit();

}

#endregion

#region 썸네일 픽처 박스 마우스 DOWN 처리하기 - thumbnailPictureBox_MouseDown(sender, e)

/// <summary>

/// 썸네일 픽처 박스 마우스 DOWN 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void thumbnailPictureBox_MouseDown(object sender, MouseEventArgs e)

{

try

{

this.startX = this.thumbnailPictureBox.Image.Width * e.X / this.thumbnailPictureBox.Width;

this.startY = this.thumbnailPictureBox.Image.Height * e.Y / this.thumbnailPictureBox.Height;

UpdatePictureBox();

}

catch

{

}

#endregion

#region 축소/확대 트랙바 스크롤시 처리하기 - zoomTrackBar_Scroll(sender, e)

/// <summary>

/// 축소/확대 트랙바 스크롤시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void zoomTrackBar_Scroll(object sender, EventArgs e)

{

SetZoom();

}

#endregion

#region 초점 거리 텍스트 박스 텍스트 변경시 처리하기 - foscalLengthTextBox_TextChanged(sender, e)

/// <summary>

/// 초점 거리 텍스트 박스 텍스트 변경시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void foscalLengthTextBox_TextChanged(object sender, EventArgs e)

{

string equivalenceString = string.Empty;

try

{

double equivalence = Math.Pow((Math.Pow(Convert.ToSingle(this.sensorWidthTextBox.Text), 2) +

Math.Pow(Convert.ToSingle(this.sensorHeightTextBox.Text), 2)), 0.5);

equivalence = Math.Round((43.2666153 / equivalence) * Convert.ToSingle(this.foscalLengthTextBox.Text));

equivalenceString = equivalence.ToString();

}

catch

{

}

this.equivalentTextBox.Text = equivalenceString;

}

#endregion

#region 카메라 공장 텍스트 박스 텍스트 변경시 처리하기 - cameraFactoryTextBox_TextChanged(sender, e)

/// <summary>

/// 카메라 공장 텍스트 박스 텍스트 변경시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void cameraFactoryTextBox_TextChanged(object sender, EventArgs e)

{

SearchCamera();

}

#endregion

#region 객체 크기 텍스트 박스 클릭시 처리하기 - objectSizeTextBox_Click(sender, e)

/// <summary>

/// 객체 크기 텍스트 박스 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void objectSizeTextBox_Click(object sender, EventArgs e)

{

this.objectSizeTextBox.SelectionStart = 0;

this.objectSizeTextBox.SelectionLength = this.objectSizeTextBox.Text.Length;

}

#endregion

#region 객체 크기 텍스트 박스 텍스트 변경시 처리하기 - objectSizeTextBox_TextChanged(sender, e)

/// <summary>

/// 객체 크기 텍스트 박스 텍스트 변경시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void objectSizeTextBox_TextChanged(object sender, EventArgs e)

{

if(this.objectSizeTextBox.Selected)

{

try

{

SetFindButton(true);

this.objectSize = Convert.ToDouble(this.objectSizeTextBox.Text) * this.objectSizeScale;

SetObjectDistance();

}

catch

{

}

#endregion

#region 객체 크기 스케일 콤보 박스 텍스트 변경시 처리하기 - objectSizeScaleComboBox_TextChanged(sender, e)

/// <summary>

/// 객체 크기 스케일 콤보 박스 텍스트 변경시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void objectSizeScaleComboBox_TextChanged(object sender, EventArgs e)

{

this.objectSizeScale = GetSize(this.objectSizeScaleComboBox.Text);

this.objectSizeTextBox.Text = Convert.ToString(Math.Round(this.objectSize / this.objectSizeScale, 2));

}

#endregion

#region 객체 크기 스케일 콤보 박스 드롭 다운 닫은 경우 처리하기 - objectSizeScaleComboBox_DropDownClosed(sender, e)

/// <summary>

/// 객체 크기 스케일 콤보 박스 드롭 다운 닫은 경우 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void objectSizeScaleComboBox_DropDownClosed(object sender, EventArgs e)

{

this.zoomTrackBar.Select();

}

#endregion

#region 거리 찾기 버튼 클릭시 처리하기 - findDistanceButton_Click(sender, e)

/// <summary>

/// 거리 찾기 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void findDistanceButton_Click(object sender, EventArgs e)

{

SetFindButton(true);

}

#endregion

#region 크기 찾기 버튼 클릭시 처리하기 - findSizeButton_Click(sender, e)

/// <summary>

/// 크기 찾기 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void findSizeButton_Click(object sender, EventArgs e)

{

SetFindButton(false );

}

#endregion

#region 객체 거리 텍스트 박스 클릭시 처리하기 - objectDistanceTextBox_Click(sender, e)

/// <summary>

/// 객체 거리 텍스트 박스 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void objectDistanceTextBox_Click(object sender, EventArgs e)

{

this.objectDistanceTextBox.SelectionStart = 0;

this.objectDistanceTextBox.SelectionLength = this.objectDistanceTextBox.Text.Length;

}

#endregion

#region 객체 거리 텍스트 박스 텍스트 변경시 처리하기 - objectDistanceTextBox_TextChanged(sender, e)

/// <summary>

/// 객체 거리 텍스트 박스 텍스트 변경시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void objectDistanceTextBox_TextChanged(object sender, EventArgs e)

{

if(this.objectDistanceTextBox.Selected)

{

try

{

SetFindButton(false);

this.objectDistance = Convert.ToDouble(this.objectDistanceTextBox.Text) * this.objectDistanceScale;

SetObjectSize();

}

catch

{

}

#endregion

#region 객체 거리 스케일 콤보 박스 텍스트 변경시 처리하기 - objectDistanceSacleComboBox_TextChanged(sender, e)

/// <summary>

/// 객체 거리 스케일 콤보 박스 텍스트 변경시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void objectDistanceSacleComboBox_TextChanged(object sender, EventArgs e)

{

this.objectDistanceScale = GetSize(this.objectDistanceSacleComboBox.Text);

this.objectDistanceTextBox.Text = Convert.ToString(Math.Round(this.objectDistance / this.objectDistanceScale, 2));

}

#endregion

#region 객체 거리 스케일 콤보 박스 드롭 다운 닫은 경우 처리하기 - objectDistanceSacleComboBox_DropDownClosed(sender, e)

/// <summary>

/// 객체 거리 스케일 콤보 박스 드롭 다운 닫은 경우 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void objectDistanceSacleComboBox_DropDownClosed(object sender, EventArgs e)

{

this.zoomTrackBar.Select();

}

#endregion

#region 이미지 이동 버튼 클릭시 처리하기 - moveImageButton_Click(sender, e)

/// <summary>

/// 이미지 이동 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void moveImageButton_Click(object sender, EventArgs e)

{

this.moveImageButton.Checked = true;

this.measureButton.Checked = false;

this.mainPictureBox.Cursor = Cursors.Hand;

}

#endregion

#region 측정 버튼 클릭시 처리하기 - measureButton_Click(sender, e)

/// <summary>

/// 측정 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void measureButton_Click(object sender, EventArgs e)

{

this.moveImageButton.Checked = false;

this.measureButton.Checked = true;

this.mainPictureBox.Cursor = Cursors.Cross;

}

#endregion

#region 메인 픽처 박스 마우스 DOWN 처리하기 - mainPictureBox_MouseDown(sender, e)

/// <summary>

/// 메인 픽처 박스 마우스 DOWN 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void mainPictureBox_MouseDown(object sender, MouseEventArgs e)

{

if(this.moveImageButton.Checked)

{

this.moveX = e.X;

this.moveY = e.Y;

}

else

{

this.measureStartX = e.X;

this.measureStartY = e.Y;

}

#endregion

#region 메인 픽처 박스 마우스 이동시 처리하기 - mainPictureBox_MouseMove(sender, e)

/// <summary>

/// 메인 픽처 박스 마우스 이동시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void mainPictureBox_MouseMove(object sender, MouseEventArgs e)

{

if(e.Button == MouseButtons.Left)

{

if(this.moveImageButton.Checked)

{

this.startX -= e.X - this.moveX;

if(this.startX < 0)

{

this.startX = 0;

}

this.startY -= e.Y - this.moveY;

if(this.startY < 0)

{

this.startY = 0;

}

this.moveX = e.X;

this.moveY = e.Y;

UpdatePictureBox();

}

else

{

try

{

double differenceX = Math.Abs(this.measureStartX - e.X) * this.zoom * Convert.ToSingle(this.horizontal ? this.sensorWidthTextBox.Text :

this.sensorHeightTextBox.Text) / Convert.ToSingle(this.imageWidthTextBox.Text );

double differenceY = Math.Abs(this.measureStartY - e.Y) * this.zoom * Convert.ToSingle(this.horizontal ? this.sensorHeightTextBox.Text :

this.sensorWidthTextBox.Text ) / Convert.ToSingle(this.imageHeightTextBox.Text);

this.measure = Math.Pow((Math.Pow(differenceX, 2) + Math.Pow(differenceY, 2)), 0.5);

this.sizeOnSensorLabel.Text = "센서상 크기 (mm) : " + this.measure.ToString();

this.mainPictureBox.Refresh();

Graphics graphics = mainPictureBox.CreateGraphics();

graphics.ResetClip();

graphics.DrawLine(new Pen(Color.Red), this.measureStartX, this.measureStartY, e.X, e.Y);

if(this.findDistanceButton.Checked)

{

SetObjectDistance();

}

else

{

SetObjectSize();

}

catch

{

}

try

{

float fileX = this.startX + e.X * this.zoom;

float fileY = this.startY + e.Y * this.zoom;

float sensorX = fileX * Convert.ToSingle(this.horizontal ? this.sensorWidthTextBox.Text : this.sensorHeightTextBox.Text) /

Convert.ToSingle(this.imageWidthTextBox.Text );

float sensorY = fileY * Convert.ToSingle(this.horizontal ? this.sensorHeightTextBox.Text : this.sensorWidthTextBox.Text ) /

Convert.ToSingle(this.imageHeightTextBox.Text);

this.locationOnFileLabel.Text = "파일상 위치 (pixel) X :" + fileX.ToString() + " Y : " + fileY.ToString();

this.locationOnSenserLabel.Text= "센서상 위치 (mm) X : " + sensorX.ToString() + " Y : " + sensorY.ToString();

}

catch

{

}

#endregion

#region 카메라 메뉴 항목 클릭시 처리하기 - cameraMenuItem_Click(sender, e)

/// <summary>

/// 카메라 메뉴 항목 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void cameraMenuItem_Click(object sender, EventArgs e)

{

this.cameraFactoryTextBox.Text = ((ToolStripItem)sender).OwnerItem.Text;

this.cameraFactoryTextBox.Text += "\r\n" + ((ToolStripItem)sender).OwnerItem.Text + " " + ((ToolStripItem)sender).Text;

}

#endregion

//////////////////////////////////////////////////////////////////////////////// Function

#region 카메라 메뉴 항목 구축하기 - BuildCameraMenuItem()

/// <summary>

/// 카메라 메뉴 항목 구축하기

/// </summary>

private void BuildCameraMenuItem()

{

this.cameraInfoList.Clear();

this.cameraMenuItem.DropDownItems.Clear();

string cameraListFilePath = Path.Combine(Application.StartupPath, @"DATA\CameraList.info");

if(File.Exists(cameraListFilePath))

{

string content = File.ReadAllText(cameraListFilePath);

string[] lineArray = content.Split('\n');

CultureInfo cultureInfo = new CultureInfo("en-US");

foreach(string line in lineArray)

{

if(string.IsNullOrWhiteSpace(line))

{

continue;

}

if(line.StartsWith("//"))

{

continue;

}

string[] tokenArray = line.Split(new string[] { "," }, StringSplitOptions.None);

try

{

CameraInfo cameraInfo = new CameraInfo();

cameraInfo.Factory = tokenArray[0].Trim();

cameraInfo.Model = tokenArray[1].Trim();

cameraInfo.AliasName = tokenArray[2].Trim();

cameraInfo.SensorType = tokenArray[3].Trim();

cameraInfo.SensorWidth = Single.Parse(tokenArray[4], cultureInfo);

cameraInfo.SensorHeight = Single.Parse(tokenArray[5], cultureInfo);

this.cameraInfoList.Add(cameraInfo);

bool newFactory = true;

foreach(ToolStripMenuItem menuItem in this.cameraMenuItem.DropDownItems)

{

if(menuItem.Text.Contains(cameraInfo.Factory))

{

newFactory = false;

break;

}

if(newFactory)

{

this.cameraMenuItem.DropDownItems.Add(cameraInfo.Factory);

}

foreach(ToolStripMenuItem menuItem in this.cameraMenuItem.DropDownItems)

{

if(menuItem.Text.Contains(cameraInfo.Factory))

{

menuItem.DropDownItems.Add(cameraInfo.Model + (cameraInfo.AliasName == "" ? "" : " - " + cameraInfo.AliasName ),

null, cameraMenuItem_Click);

}

catch

{

}

#endregion

#region 픽처 박스 업데이트 하기 - UpdatePictureBox()

/// <summary>

/// 픽처 박스 업데이트 하기

/// </summary>

private void UpdatePictureBox()

{

try

{

this.bitmap = new Bitmap(this.mainPictureBox.Width, this.mainPictureBox.Height);

Graphics bitmapGraphics = Graphics.FromImage(this.bitmap);

bitmapGraphics.SmoothingMode = SmoothingMode.AntiAlias;

bitmapGraphics.DrawImage

(

this.thumbnailPictureBox.Image,

new Rectangle(0, 0, this.mainPictureBox.Width, this.mainPictureBox.Height),

new Rectangle(this.startX, this.startY, (int)(this.mainPictureBox.Width * this.zoom), (int)(this.mainPictureBox.Height * this.zoom)),

GraphicsUnit.Pixel

);

this.mainPictureBox.Image = this.bitmap;

}

catch

{

}

#endregion

#region 카메라 찾기 - SearchCamera()

/// <summary>

/// 카메라 찾기

/// </summary>

private void SearchCamera()

{

this.sensorTypeTextBox.Text = string.Empty;

this.sensorHeightTextBox.Text = string.Empty;

this.sensorWidthTextBox.Text = string.Empty;

this.cameraPictureBox.Image = null;

this.toolTip.SetToolTip(this.cameraPictureBox, string.Empty);

string searchControl = "MRK";

string camereName = this.cameraFactoryTextBox.Text.Replace(" ", "").Replace("-", "").ToLower() + searchControl;

bool cameraFound = false;

byte cameraLoop = 0;

{

foreach(CameraInfo cameraInfo in this.cameraInfoList)

{

if(camereName.Contains(cameraInfo.Factory.Replace(" ", "").ToLower()) && !cameraFound)

{

if(camereName.Contains(cameraInfo.Model.Replace(" ", "").Replace("-", "").ToLower() + searchControl) ||

(camereName.Contains(cameraInfo.AliasName.Replace(" ", "").Replace("-", "").ToLower() + searchControl) && cameraInfo.AliasName != ""))

{

this.sensorTypeTextBox.Text = cameraInfo.SensorType;

this.sensorWidthTextBox.Text = cameraInfo.SensorWidth.ToString();

this.sensorHeightTextBox.Text = cameraInfo.SensorHeight.ToString();

this.toolTip.SetToolTip(this.cameraPictureBox, cameraInfo.Factory + " " + cameraInfo.Model);

string cameraImageFilePath = Application.StartupPath + "\\Data\\" + cameraInfo.Factory + "_" +

cameraInfo.Model.Replace(" ", "").Replace("-", "") + ".gif";

if(File.Exists(cameraImageFilePath))

{

this.cameraPictureBox.Image = Image.FromFile(cameraImageFilePath);

}

cameraFound = true;

}

searchControl = string.Empty;

cameraLoop++;

}

while(!cameraFound && cameraLoop < 2);

}

#endregion

#region 축소/확대 설정하기 - SetZoom()

/// <summary>

/// 축소/확대 설정하기

/// </summary>

private void SetZoom()

{

this.zoom = 50 / (float)zoomTrackBar.Value;

this.toolTip.SetToolTip(zoomTrackBar ,"줌 배율 : " + Convert.ToString((100 / this.zoom)) + "%");

UpdatePictureBox();

}

#endregion

#region 부호 없는 정수 구하기 - GetUnsignedInteger(sourceArray)

/// <summary>

/// 부호 없는 정수 구하기

/// </summary>

/// <param name="sourceArray">소스 배열</param>

/// <returns>부호 없는 정수</returns>

private uint GetUnsignedInteger(byte[] sourceArray)

{

if(sourceArray.Length != 4)

{

return 0;

}

else

{

return Convert.ToUInt32(sourceArray[3] << 24 | sourceArray[2] << 16 | sourceArray[1] << 8 | sourceArray[0]);

}

#endregion

#region 객체 거리 설정하기 - SetObjectDistance()

/// <summary>

/// 객체 거리 설정하기

/// </summary>

private void SetObjectDistance()

{

this.objectDistanceTextBox.Text = string.Empty;

try

{

this.objectDistance = this.objectSize / (this.measure / Convert.ToDouble(this.foscalLengthTextBox.Text));

this.objectDistanceTextBox.Text = Convert.ToString(Math.Round(this.objectDistance / this.objectDistanceScale, 2));

}

catch

{

}

#endregion

#region 객체 크기 설정하기 - SetObjectSize()

/// <summary>

/// 객체 크기 설정하기

/// </summary>

private void SetObjectSize()

{

this.objectSizeTextBox.Text = string.Empty;

try

{

this.objectSize = this.objectDistance * (this.measure / Convert.ToDouble(this.foscalLengthTextBox.Text));

this.objectSizeTextBox.Text = Convert.ToString(Math.Round(this.objectSize / this.objectSizeScale, 2));

}

catch

{

}

#endregion

#region 찾기 버튼 설정하기 - SetFindButton(isChecked)

/// <summary>

/// 찾기 버튼 설정하기

/// </summary>

/// <param name="isChecked">체크 여부</param>

private void SetFindButton(bool isChecked)

{

this.findDistanceButton.Checked = isChecked;

this.findSizeButton.Checked = !isChecked;

if(isChecked)

{

SetObjectDistance();

}

else

{

SetObjectSize();

}

#endregion

#region 크기 구하기 - GetSize(sizeUnit)

/// <summary>

/// 크기 구하기

/// </summary>

/// <param name="sizeUnit">크기 단위</param>

/// <returns>크기</returns>

private double GetSize(string sizeUnit)

{

switch(sizeUnit.Trim().ToLower())

{

case "mm" : return .001;

case "cm" : return .01;

case "m" : return 1;

case "km" : return 1000;

case "inch" : return .0254;

case "foot" : return .3048;

case "mile" : return 1609.344;

}

return 0;

}

#endregion

}

TestProject.zip

[C#/WINFORM] 카메라 컨트롤 사용하기

■ 카메라 컨트롤을 사용하는 방법을 보여준다. ▶ CameraControl.cs


using System;
using System.Diagnostics;
using System.Runtime.InteropServices;
using System.Windows.Forms;

using DirectShowLib;

namespace TestProject
{
    /// <summary>
    /// 카메라 컨트롤
    /// </summary>
    [Guid("43878F19-1E0E-42d2-B72B-88A94418A302")]
    [ComVisible(true)]
    public partial class CameraControl : UserControl
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// WM_GRAPHNOTIFY
        /// </summary>
        private int WM_GRAPHNOTIFY = Convert.ToInt32("0X8000", 16) + 1;

        /// <summary>
        /// 비디오 윈도우
        /// </summary>
        private IVideoWindow vidoeWindow = null;

        /// <summary>
        /// 미디어 컨트롤
        /// </summary>
        private IMediaControl mediaControl = null;

        /// <summary>
        /// 미디어 이벤트 확장
        /// </summary>
        private IMediaEventEx mediaEventEx = null;

        /// <summary>
        /// 그래프 빌더
        /// </summary>
        private IGraphBuilder graphBuilder = null;

        /// <summary>
        /// 캡처 그래프 빌더 2
        /// </summary>
        private ICaptureGraphBuilder2 captureGraphBuilder2 = null;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - CameraControl()

        /// <summary>
        /// 생성자
        /// </summary>
        public CameraControl()
        {
            InitializeComponent();

            Load += UserControl_Load;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Protected
        //////////////////////////////////////////////////////////////////////////////// Event

        #region 윈도우 프로시저 처리하기 - WndProc(message)

        /// <summary>
        /// 윈도우 프로시저 처리하기
        /// </summary>
        /// <param name="message">메시지</param>
        protected override void WndProc(ref Message message)
        {
            if(message.Msg == WM_GRAPHNOTIFY)
            {
                HandleGraphEvent();
            }

            if(this.vidoeWindow != null)
            {
                this.vidoeWindow.NotifyOwnerMessage
                (
                    message.HWnd            ,
                    message.Msg             ,
                    message.WParam.ToInt32(),
                    message.LParam.ToInt32()
                );
            }

            base.WndProc(ref message);
        }

        #endregion

        ////////////////////////////////////////////////////////////////////////////////////////// Private
        //////////////////////////////////////////////////////////////////////////////// Event

        #region 사용자 컨트롤 로드시 처리하기 - UserControl_Load(sender, e)

        /// <summary>
        /// 사용자컨트롤 로드시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void UserControl_Load(object sender, EventArgs e)
        {
            Resize += UserControl_Resize;
        }

        #endregion
        #region 사용자 컨트롤 크기 변경시 처리하기 - Control_Resize(sender, e)

        /// <summary>
        /// 사용자 컨트롤 크기 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void UserControl_Resize(object sender, EventArgs e)
        {
            if(this.vidoeWindow != null)
            {
                this.vidoeWindow.SetWindowPosition(0, 0, Width, ClientSize.Height);
            }
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////// Function

        #region 인터페이스 설정하기 - SetInterfaces()

        /// <summary>
        /// 인터페이스 설정하기
        /// </summary>
        private void SetInterfaces()
        {
            this.graphBuilder         = (IGraphBuilder)(new FilterGraph());
            this.captureGraphBuilder2 = (ICaptureGraphBuilder2)(new CaptureGraphBuilder2());
            this.mediaControl         = (IMediaControl)this.graphBuilder;
            this.vidoeWindow          = (IVideoWindow)this.graphBuilder;
            this.mediaEventEx         = (IMediaEventEx)this.graphBuilder;

            int resultHandle = this.mediaEventEx.SetNotifyWindow(Handle, WM_GRAPHNOTIFY, IntPtr.Zero);

            DsError.ThrowExceptionForHR(resultHandle);
        }

        #endregion
        #region 캡처 디바이스 찾기 - FindCaptureDevice()

        /// <summary>
        /// 캡처 디바이스 찾기
        /// </summary>
        /// <returns>베이스 필터 인터페이스</returns>
        private IBaseFilter FindCaptureDevice()
        {
            UCOMIEnumMoniker ucomIEnumMoniker  = null;
            UCOMIMoniker[]   uconIMonikerArray = new UCOMIMoniker[1];
            object           source            = null;
            ICreateDevEnum   createDevEnum     = (ICreateDevEnum)(new CreateDevEnum());
            int              resultHandle      = createDevEnum.CreateClassEnumerator(FilterCategory.VideoInputDevice, out ucomIEnumMoniker, CDef.None);

            DsError.ThrowExceptionForHR(resultHandle);

            Marshal.ReleaseComObject(createDevEnum);

            if(ucomIEnumMoniker == null)
            {
                throw new ApplicationException
                (
                     "No video capture device was detected.\\r\\n\\r\\n" +
                     "This sample requires a video capture device, such as a USB WebCam,\\r\\n" +
                     "to be installed and working properly. The sample will now close."
                );
            }

            int none = 0;

            if(ucomIEnumMoniker.Next(uconIMonikerArray.Length, uconIMonikerArray, out none) == 0)
            {
                Guid guid = typeof(IBaseFilter).GUID;

                uconIMonikerArray[0].BindToObject(null, null, ref guid, out source);
            }
            else
            {
                throw new ApplicationException("Unable to access video capture device!");
            }

            Marshal.ReleaseComObject(uconIMonikerArray[0]);

            Marshal.ReleaseComObject(ucomIEnumMoniker);

            return (IBaseFilter)source;
        }

        #endregion
        #region 비디오 윈도우 셋업하기 - SetupVideoWindow()

        /// <summary>
        /// 비디오 윈도우 셋업하기
        /// </summary>
        private void SetupVideoWindow()
        {
            int resultHandle = 0;

            resultHandle = this.vidoeWindow.put_Owner(Handle);

            DsError.ThrowExceptionForHR(resultHandle);

            resultHandle = this.vidoeWindow.put_WindowStyle(WindowStyle.Child | WindowStyle.ClipChildren);

            DsError.ThrowExceptionForHR(resultHandle);

            UserControl_Resize(this, null);

            resultHandle = this.vidoeWindow.put_Visible(OABool.True);

            DsError.ThrowExceptionForHR(resultHandle);
        }

        #endregion
        #region 비디오 캡처하기 - CaptureVideo()

        /// <summary>
        /// 비디오 캡처하기
        /// </summary>
        public void CaptureVideo()
        {
            int resultHandle = 0;

            IBaseFilter sourceBaseFilter = null;

            try
            {
                SetInterfaces();

                resultHandle = this.captureGraphBuilder2.SetFiltergraph(this.graphBuilder);

                DsError.ThrowExceptionForHR(resultHandle);

                sourceBaseFilter = FindCaptureDevice();

                resultHandle = this.graphBuilder.AddFilter(sourceBaseFilter, "WebCamControl Video");

                DsError.ThrowExceptionForHR(resultHandle);

                resultHandle = this.captureGraphBuilder2.RenderStream
                (
                    PinCategory.Preview,
                    MediaType.Video,
                    sourceBaseFilter,
                    null,
                    null
                );

                Debug.WriteLine(DsError.GetErrorText(resultHandle));

                DsError.ThrowExceptionForHR(resultHandle);

                Marshal.ReleaseComObject(sourceBaseFilter);

                SetupVideoWindow();

                resultHandle = this.mediaControl.Run();

                DsError.ThrowExceptionForHR(resultHandle);
            }
            catch(Exception exception)
            {
                MessageBox.Show("An unrecoverable error has occurred.\r\n" + exception.ToString());
            }
        }

        #endregion
        #region 그래프 이벤트 처리하기 - HandleGraphEvent()

        /// <summary>
        /// 그래프 이벤트 처리하기
        /// </summary>
        private void HandleGraphEvent()
        {
            int       resultHandle    = 0;
            EventCode eventCode       = 0;
            int       eventParameter1 = 0;
            int       eventParameter2 = 0;

            while(this.mediaEventEx != null && this.mediaEventEx.GetEvent(out eventCode, out eventParameter1, out eventParameter2, 0) == 0)
            {
                resultHandle = this.mediaEventEx.FreeEventParams(eventCode, eventParameter1, eventParameter2);

                DsError.ThrowExceptionForHR(resultHandle);
            }
        }

        #endregion
        #region 인터페이스 해제하기 - ReleaseInterfaces()

        /// <summary>
        /// 인터페이스 해제하기
        /// </summary>
        public void ReleaseInterfaces()
        {
            if(this.mediaControl != null)
            {
                this.mediaControl.StopWhenReady();
            }

            if(this.mediaEventEx != null)
            {
                this.mediaEventEx.SetNotifyWindow(IntPtr.Zero, WM_GRAPHNOTIFY, IntPtr.Zero);
            }

            if(this.vidoeWindow != null)
            {
                this.vidoeWindow.put_Visible(OABool.False);

                this.vidoeWindow.put_Owner(IntPtr.Zero);
            }

            Marshal.ReleaseComObject(this.mediaControl);

            this.mediaControl = null;

            Marshal.ReleaseComObject(this.mediaEventEx);

            this.mediaEventEx = null;

            Marshal.ReleaseComObject(this.vidoeWindow);

            this.vidoeWindow = null;

            Marshal.ReleaseComObject(this.graphBuilder);

            this.graphBuilder = null;

            Marshal.ReleaseComObject(this.captureGraphBuilder2);

            this.captureGraphBuilder2 = null;
        }

        #endregion
    }
}

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using System;

using System.Diagnostics;

using System.Runtime.InteropServices;

using System.Windows.Forms;

using DirectShowLib;

namespace TestProject

{

/// <summary>

/// 카메라 컨트롤

/// </summary>

[Guid("43878F19-1E0E-42d2-B72B-88A94418A302")]

[ComVisible(true)]

public partial class CameraControl : UserControl

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// WM_GRAPHNOTIFY

/// </summary>

private int WM_GRAPHNOTIFY = Convert.ToInt32("0X8000", 16) + 1;

/// <summary>

/// 비디오 윈도우

/// </summary>

private IVideoWindow vidoeWindow = null;

/// <summary>

/// 미디어 컨트롤

/// </summary>

private IMediaControl mediaControl = null;

/// <summary>

/// 미디어 이벤트 확장

/// </summary>

private IMediaEventEx mediaEventEx = null;

/// <summary>

/// 그래프 빌더

/// </summary>

private IGraphBuilder graphBuilder = null;

/// <summary>

/// 캡처 그래프 빌더 2

/// </summary>

private ICaptureGraphBuilder2 captureGraphBuilder2 = null;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - CameraControl()

/// <summary>

/// 생성자

/// </summary>

public CameraControl()

{

InitializeComponent();

Load += UserControl_Load;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Protected

//////////////////////////////////////////////////////////////////////////////// Event

#region 윈도우 프로시저 처리하기 - WndProc(message)

/// <summary>

/// 윈도우 프로시저 처리하기

/// </summary>

/// <param name="message">메시지</param>

protected override void WndProc(ref Message message)

{

if(message.Msg == WM_GRAPHNOTIFY)

{

HandleGraphEvent();

}

if(this.vidoeWindow != null)

{

this.vidoeWindow.NotifyOwnerMessage

(

message.HWnd ,

message.Msg ,

message.WParam.ToInt32(),

message.LParam.ToInt32()

);

}

base.WndProc(ref message);

}

#endregion

////////////////////////////////////////////////////////////////////////////////////////// Private

//////////////////////////////////////////////////////////////////////////////// Event

#region 사용자 컨트롤 로드시 처리하기 - UserControl_Load(sender, e)

/// <summary>

/// 사용자컨트롤 로드시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void UserControl_Load(object sender, EventArgs e)

{

Resize += UserControl_Resize;

}

#endregion

#region 사용자 컨트롤 크기 변경시 처리하기 - Control_Resize(sender, e)

/// <summary>

/// 사용자 컨트롤 크기 변경시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void UserControl_Resize(object sender, EventArgs e)

{

if(this.vidoeWindow != null)

{

this.vidoeWindow.SetWindowPosition(0, 0, Width, ClientSize.Height);

}

#endregion

//////////////////////////////////////////////////////////////////////////////// Function

#region 인터페이스 설정하기 - SetInterfaces()

/// <summary>

/// 인터페이스 설정하기

/// </summary>

private void SetInterfaces()

{

this.graphBuilder = (IGraphBuilder)(new FilterGraph());

this.captureGraphBuilder2 = (ICaptureGraphBuilder2)(new CaptureGraphBuilder2());

this.mediaControl = (IMediaControl)this.graphBuilder;

this.vidoeWindow = (IVideoWindow)this.graphBuilder;

this.mediaEventEx = (IMediaEventEx)this.graphBuilder;

int resultHandle = this.mediaEventEx.SetNotifyWindow(Handle, WM_GRAPHNOTIFY, IntPtr.Zero);

DsError.ThrowExceptionForHR(resultHandle);

}

#endregion

#region 캡처 디바이스 찾기 - FindCaptureDevice()

/// <summary>

/// 캡처 디바이스 찾기

/// </summary>

/// <returns>베이스 필터 인터페이스</returns>

private IBaseFilter FindCaptureDevice()

{

UCOMIEnumMoniker ucomIEnumMoniker = null;

UCOMIMoniker[] uconIMonikerArray = new UCOMIMoniker[1];

object source = null;

ICreateDevEnum createDevEnum = (ICreateDevEnum)(new CreateDevEnum());

int resultHandle = createDevEnum.CreateClassEnumerator(FilterCategory.VideoInputDevice, out ucomIEnumMoniker, CDef.None);

DsError.ThrowExceptionForHR(resultHandle);

Marshal.ReleaseComObject(createDevEnum);

if(ucomIEnumMoniker == null)

{

throw new ApplicationException

(

"No video capture device was detected.\\r\\n\\r\\n" +

"This sample requires a video capture device, such as a USB WebCam,\\r\\n" +

"to be installed and working properly. The sample will now close."

);

}

int none = 0;

if(ucomIEnumMoniker.Next(uconIMonikerArray.Length, uconIMonikerArray, out none) == 0)

{

Guid guid = typeof(IBaseFilter).GUID;

uconIMonikerArray[0].BindToObject(null, null, ref guid, out source);

}

else

{

throw new ApplicationException("Unable to access video capture device!");

}

Marshal.ReleaseComObject(uconIMonikerArray[0]);

Marshal.ReleaseComObject(ucomIEnumMoniker);

return (IBaseFilter)source;

}

#endregion

#region 비디오 윈도우 셋업하기 - SetupVideoWindow()

/// <summary>

/// 비디오 윈도우 셋업하기

/// </summary>

private void SetupVideoWindow()

{

int resultHandle = 0;

resultHandle = this.vidoeWindow.put_Owner(Handle);

DsError.ThrowExceptionForHR(resultHandle);

resultHandle = this.vidoeWindow.put_WindowStyle(WindowStyle.Child | WindowStyle.ClipChildren);

DsError.ThrowExceptionForHR(resultHandle);

UserControl_Resize(this, null);

resultHandle = this.vidoeWindow.put_Visible(OABool.True);

DsError.ThrowExceptionForHR(resultHandle);

}

#endregion

#region 비디오 캡처하기 - CaptureVideo()

/// <summary>

/// 비디오 캡처하기

/// </summary>

public void CaptureVideo()

{

int resultHandle = 0;

IBaseFilter sourceBaseFilter = null;

try

{

SetInterfaces();

resultHandle = this.captureGraphBuilder2.SetFiltergraph(this.graphBuilder);

DsError.ThrowExceptionForHR(resultHandle);

sourceBaseFilter = FindCaptureDevice();

resultHandle = this.graphBuilder.AddFilter(sourceBaseFilter, "WebCamControl Video");

DsError.ThrowExceptionForHR(resultHandle);

resultHandle = this.captureGraphBuilder2.RenderStream

(

PinCategory.Preview,

MediaType.Video,

sourceBaseFilter,

null,

null

);

Debug.WriteLine(DsError.GetErrorText(resultHandle));

DsError.ThrowExceptionForHR(resultHandle);

Marshal.ReleaseComObject(sourceBaseFilter);

SetupVideoWindow();

resultHandle = this.mediaControl.Run();

DsError.ThrowExceptionForHR(resultHandle);

}

catch(Exception exception)

{

MessageBox.Show("An unrecoverable error has occurred.\r\n" + exception.ToString());

}

#endregion

#region 그래프 이벤트 처리하기 - HandleGraphEvent()

/// <summary>

/// 그래프 이벤트 처리하기

/// </summary>

private void HandleGraphEvent()

{

int resultHandle = 0;

EventCode eventCode = 0;

int eventParameter1 = 0;

int eventParameter2 = 0;

while(this.mediaEventEx != null && this.mediaEventEx.GetEvent(out eventCode, out eventParameter1, out eventParameter2, 0) == 0)

{

resultHandle = this.mediaEventEx.FreeEventParams(eventCode, eventParameter1, eventParameter2);

DsError.ThrowExceptionForHR(resultHandle);

}

#endregion

#region 인터페이스 해제하기 - ReleaseInterfaces()

/// <summary>

/// 인터페이스 해제하기

/// </summary>

public void ReleaseInterfaces()

{

if(this.mediaControl != null)

{

this.mediaControl.StopWhenReady();

}

if(this.mediaEventEx != null)

{

this.mediaEventEx.SetNotifyWindow(IntPtr.Zero, WM_GRAPHNOTIFY, IntPtr.Zero);

}

if(this.vidoeWindow != null)

{

this.vidoeWindow.put_Visible(OABool.False);

this.vidoeWindow.put_Owner(IntPtr.Zero);

}

Marshal.ReleaseComObject(this.mediaControl);

this.mediaControl = null;

Marshal.ReleaseComObject(this.mediaEventEx);

this.mediaEventEx = null;

Marshal.ReleaseComObject(this.vidoeWindow);

this.vidoeWindow = null;

Marshal.ReleaseComObject(this.graphBuilder);

this.graphBuilder = null;

Marshal.ReleaseComObject(this.captureGraphBuilder2);

this.captureGraphBuilder2 = null;

}

#endregion

}

▶ MainForm.cs


using System;
using System.Windows.Forms;

namespace TestProject
{
    /// <summary>
    /// 메인 폼
    /// </summary>
    public partial class MainForm : Form
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainForm()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainForm()
        {
            InitializeComponent();
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private
        //////////////////////////////////////////////////////////////////////////////// Event

        #region 재생 버튼 클릭시 처리하기 - playButton_Click(sender, e)

        /// <summary>
        /// 재생 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void playButton_Click(object sender, EventArgs e)
        {
            if(this.playButton.Text == "캡처 시작")
            {
                this.playButton.Text = "캡처 종료";

                this.xWebCamControl.CaptureVideo();
            }
            else
            {
                this.playButton.Text = "캡처 시작";

                this.xWebCamControl.ReleaseInterfaces();
            }
        }

        #endregion
    }
}

using System;

using System.Windows.Forms;

namespace TestProject

{

/// <summary>

/// 메인 폼

/// </summary>

public partial class MainForm : Form

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainForm()

/// <summary>

/// 생성자

/// </summary>

public MainForm()

{

InitializeComponent();

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

//////////////////////////////////////////////////////////////////////////////// Event

#region 재생 버튼 클릭시 처리하기 - playButton_Click(sender, e)

/// <summary>

/// 재생 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void playButton_Click(object sender, EventArgs e)

{

if(this.playButton.Text == "캡처 시작")

{

this.playButton.Text = "캡처 종료";

this.xWebCamControl.CaptureVideo();

}

else

{

this.playButton.Text = "캡처 시작";

this.xWebCamControl.ReleaseInterfaces();

}

#endregion

}

※ 윈도우즈 7에서만 실행된다. TestProject.zip

[C#/UWP] 웹 카메라 사용하기

■ 웹 카메라를 사용하는 방법을 보여준다. ▶ MainPage.xaml


<Page x:Class="TestApplication.MainPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:TestApplication"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d">
    <Grid Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
        <Grid.ChildrenTransitions>
            <TransitionCollection>
                <EntranceThemeTransition />
            </TransitionCollection>
        </Grid.ChildrenTransitions>
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto" />
            <RowDefinition Height="Auto" />
            <RowDefinition Height="Auto" />
            <RowDefinition Height="Auto" />
            <RowDefinition Height="Auto" />
            <RowDefinition Height="Auto" />
        </Grid.RowDefinitions>
        <TextBlock Grid.Row="0"
            Style="{StaticResource HeaderTextBlockStyle}"
            HorizontalAlignment="Center"
            VerticalAlignment="Center"
            IsHitTestVisible="false"
            TextWrapping="NoWrap"
            Text="웹 카메라 테스트" />
        <StackPanel Grid.Row="1"
            HorizontalAlignment="Center"
            VerticalAlignment="Center"
            Orientation="Horizontal">
            <Button x:Name="initializeVideoButton"
                HorizontalAlignment="Left"
                Margin="10"
                Width="180"
                Content="비디오 초기화" />
            <Button x:Name="initializeAudioButton"
                Margin="10"
                Width="120"
                Content="오디오 초기화" />
            <Button x:Name="closeCameraButton"
                Margin="10"
                Width="120"
                Content="카메라 닫기" />
        </StackPanel>
        <StackPanel Grid.Row="2"
            HorizontalAlignment="Center"
            VerticalAlignment="Center"
            Orientation="Horizontal">
            <Button x:Name="takePhotoButton"
                Margin="10"
                Width="120"
                IsEnabled="False"
                Content="사진 찍기" />
            <Button x:Name="recordVideoButton"
                Margin="10"
                Width="150"
                IsEnabled="False"
                Content="비디오 기록 시작" />
            <Button x:Name="recordAudioButton"
                Margin="10"
                Width="150"
                IsEnabled="False"
                Content="오디오 기록 시작" />
        </StackPanel>
        <StackPanel Grid.Row="3"
            HorizontalAlignment="Center"
            VerticalAlignment="Center"
            Orientation="Horizontal">
            <StackPanel Margin="10">
                <TextBlock Name="previewTextBlock"
                    HorizontalAlignment="Center"
                    Height="30"
                    Margin="10"
                    Text="미리 보기" />
                <Canvas Name="previewCanvas"
                    Width="300"
                    Height="300"
                    Background="Gray"
                    Visibility="Visible">
                    <CaptureElement x:Name="previewCaptureElement"
                        HorizontalAlignment="Left"
                        Width="{Binding ElementName=previewCanvas, Path=ActualWidth}"
                        Height="{Binding ElementName=previewCanvas, Path=ActualHeight}"
                        Visibility="Visible" />
                </Canvas>
            </StackPanel>
            <StackPanel Margin="10">
                <TextBlock Name="lastCapturedPhotoTextBlock"
                    HorizontalAlignment="Center"
                    Margin="10"
                    Height="30"
                    Visibility="Visible"
                    Text="마지막 촬영 사진" />
                <Canvas Name="lastCapturedPhotoCanvas"
                    Width="300"
                    Height="300"
                    Background="Gray"
                    Visibility="Visible">
                    <Image x:Name="lastCapturedPhotoImage"
                        Width="{Binding ElementName=lastCapturedPhotoCanvas, Path=ActualWidth}"
                        Height="{Binding ElementName=lastCapturedPhotoCanvas, Path=ActualHeight}"
                        Visibility="Visible" />
                </Canvas>
            </StackPanel>
            <StackPanel Margin="10">
                <TextBlock Name="lastRecordedVideoTextBlock"
                    HorizontalAlignment="Center"
                    Margin="10"
                    Height="30"
                    Visibility="Visible"
                    Text="마지막 기록 비디오" />
                <Canvas Name="lastRecordedVideoCanvas"
                    Width="300"
                    Height="300"
                    Background="Gray"
                    Visibility="Visible">
                    <MediaElement x:Name="lastRecordedVideoMediaElement"
                        Width="{Binding ElementName=lastRecordedVideoCanvas, Path=ActualWidth}"
                        Height="{Binding ElementName=lastRecordedVideoCanvas, Path=ActualHeight}"
                        Visibility="Visible" />
                </Canvas>
            </StackPanel>
            <StackPanel>
                <Canvas
                    Margin="0"
                    Width="0"
                    Height="0">
                    <MediaElement x:Name="playbackMediaElement"
                        Width="0"
                        Height="0" />
                </Canvas>
            </StackPanel>
        </StackPanel>
        <TextBlock Grid.Row="4"
            HorizontalAlignment="Center"
            VerticalAlignment="Center"
            Margin="10"
            Text="status" />
        <TextBox x:Name="statusTextBlock" Grid.Row="5"
            HorizontalAlignment="Center"
            VerticalAlignment="Center"
            Margin="10"
            Height="100"
            Width="600"
            TextWrapping="Wrap"
            IsReadOnly="True" />
    </Grid>
</Page>

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<Page x:Class="TestApplication.MainPage"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

xmlns:local="using:TestApplication"

xmlns:d="http://schemas.microsoft.com/expression/blend/2008"

xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"

mc:Ignorable="d">

<Grid.ChildrenTransitions>

</TransitionCollection>

</Grid.ChildrenTransitions>

<Grid.RowDefinitions>

</Grid.RowDefinitions>

<TextBlock Grid.Row="0"

Style="{StaticResource HeaderTextBlockStyle}"

HorizontalAlignment="Center"

VerticalAlignment="Center"

IsHitTestVisible="false"

TextWrapping="NoWrap"

Text="웹 카메라 테스트" />

<StackPanel Grid.Row="1"

HorizontalAlignment="Center"

VerticalAlignment="Center"

Orientation="Horizontal">

<Button x:Name="initializeVideoButton"

HorizontalAlignment="Left"

Margin="10"

Width="180"

Content="비디오 초기화" />

<Button x:Name="initializeAudioButton"

Margin="10"

Width="120"

Content="오디오 초기화" />

<Button x:Name="closeCameraButton"

Margin="10"

Width="120"

Content="카메라 닫기" />

</StackPanel>

<StackPanel Grid.Row="2"

HorizontalAlignment="Center"

VerticalAlignment="Center"

Orientation="Horizontal">

<Button x:Name="takePhotoButton"

Margin="10"

Width="120"

IsEnabled="False"

Content="사진 찍기" />

<Button x:Name="recordVideoButton"

Margin="10"

Width="150"

IsEnabled="False"

Content="비디오 기록 시작" />

<Button x:Name="recordAudioButton"

Margin="10"

Width="150"

IsEnabled="False"

Content="오디오 기록 시작" />

</StackPanel>

<StackPanel Grid.Row="3"

HorizontalAlignment="Center"

VerticalAlignment="Center"

Orientation="Horizontal">

<TextBlock Name="previewTextBlock"

HorizontalAlignment="Center"

Height="30"

Margin="10"

Text="미리 보기" />

<Canvas Name="previewCanvas"

Width="300"

Height="300"

Background="Gray"

Visibility="Visible">

<CaptureElement x:Name="previewCaptureElement"

HorizontalAlignment="Left"

Width="{Binding ElementName=previewCanvas, Path=ActualWidth}"

Height="{Binding ElementName=previewCanvas, Path=ActualHeight}"

Visibility="Visible" />

</Canvas>

</StackPanel>

<TextBlock Name="lastCapturedPhotoTextBlock"

HorizontalAlignment="Center"

Margin="10"

Height="30"

Visibility="Visible"

Text="마지막 촬영 사진" />

<Canvas Name="lastCapturedPhotoCanvas"

Width="300"

Height="300"

Background="Gray"

Visibility="Visible">

<Image x:Name="lastCapturedPhotoImage"

Width="{Binding ElementName=lastCapturedPhotoCanvas, Path=ActualWidth}"

Height="{Binding ElementName=lastCapturedPhotoCanvas, Path=ActualHeight}"

Visibility="Visible" />

</Canvas>

</StackPanel>

<TextBlock Name="lastRecordedVideoTextBlock"

HorizontalAlignment="Center"

Margin="10"

Height="30"

Visibility="Visible"

Text="마지막 기록 비디오" />

<Canvas Name="lastRecordedVideoCanvas"

Width="300"

Height="300"

Background="Gray"

Visibility="Visible">

<MediaElement x:Name="lastRecordedVideoMediaElement"

Width="{Binding ElementName=lastRecordedVideoCanvas, Path=ActualWidth}"

Height="{Binding ElementName=lastRecordedVideoCanvas, Path=ActualHeight}"

Visibility="Visible" />

</Canvas>

</StackPanel>

<Canvas

Margin="0"

Width="0"

Height="0">

<MediaElement x:Name="playbackMediaElement"

Width="0"

Height="0" />

</Canvas>

</StackPanel>

<TextBlock Grid.Row="4"

HorizontalAlignment="Center"

VerticalAlignment="Center"

Margin="10"

Text="status" />

<TextBox x:Name="statusTextBlock" Grid.Row="5"

HorizontalAlignment="Center"

VerticalAlignment="Center"

Margin="10"

Height="100"

Width="600"

TextWrapping="Wrap"

IsReadOnly="True" />

</Grid>

</Page>

▶ MainPage.xaml.cs


using System;
using Windows.Media;
using Windows.Media.Capture;
using Windows.Media.MediaProperties;
using Windows.Storage;
using Windows.Storage.Streams;
using Windows.UI.Core;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Media.Imaging;

namespace TestApplication
{
    /// <summary>
    /// 메인 페이지
    /// </summary>
    public sealed partial class MainPage : Page
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Enumeration
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region 액션 - Action

        /// <summary>
        /// 액션
        /// </summary>
        private enum Action
        {
            /// <summary>
            /// 활성화
            /// </summary>
            ENABLED,

            /// <summary>
            /// 비활성화
            /// </summary>
            DISABLED
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 미디어 캡처 파일
        /// </summary>
        private MediaCapture mediaCapture;


        /// <summary>
        /// 사진 파일명
        /// </summary>
        private readonly string PHOTO_FILE_NAME = "photo.png";

        /// <summary>
        /// 비디오 파일명
        /// </summary>
        private readonly string VIDEO_FILE_NAME = "video.mp4";

        /// <summary>
        /// 오디오 파일명
        /// </summary>
        private readonly string AUDIO_FILE_NAME = "audio.mp3";

        /// <summary>
        /// 사진 저장소 파일
        /// </summary>
        private StorageFile photoStorageFile;

        /// <summary>
        /// 비디오 저장소 파일
        /// </summary>
        private StorageFile videoStorageFile;

        /// <summary>
        /// 오디오 저장소 파일
        /// </summary>
        private StorageFile audioStorageFile;


        /// <summary>
        /// 미리보기 여부
        /// </summary>
        private bool isPreviewing;

        /// <summary>
        /// 레코딩 여부
        /// </summary>
        private bool isRecording;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainPage()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainPage()
        {
            this.InitializeComponent();

            SetInitializeButtonVisibility(Action.ENABLED);
            SetVideoButtonVisibility(Action.DISABLED);
            SetAudioButtonVisibility(Action.DISABLED);

            this.isPreviewing = false;
            this.isRecording  = false;

            this.initializeVideoButton.Click += initializeVideoButton_Click;
            this.initializeAudioButton.Click += initializeAudioButton_Click;
            this.closeCameraButton.Click     += closeCameraButton_Click;
            this.takePhotoButton.Click       += takePhotoButton_Click;
            this.recordVideoButton.Click     += recordVideoButton_Click;
            this.recordAudioButton.Click     += recordAudioButton_Click;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private
        //////////////////////////////////////////////////////////////////////////////// Event

        #region 비디오 초기화 버튼 클릭시 처리하기 - initializeVideoButton_Click(sender, e)

        /// <summary>
        /// 비디오 초기화 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private async void initializeVideoButton_Click(object sender, RoutedEventArgs e)
        {
            SetInitializeButtonVisibility(Action.DISABLED);
            SetVideoButtonVisibility(Action.DISABLED);
            SetAudioButtonVisibility(Action.DISABLED);

            try
            {
                if(this.mediaCapture != null)
                {
                    if(this.isPreviewing)
                    {
                        await this.mediaCapture.StopPreviewAsync();

                        this.lastCapturedPhotoImage.Source = null;

                        this.lastRecordedVideoMediaElement.Source = null;

                        this.isPreviewing = false;
                    }

                    if(isRecording)
                    {
                        await this.mediaCapture.StopRecordAsync();

                        this.isRecording = false;

                        this.recordVideoButton.Content = "비디오 기록 시작";
                        this.recordAudioButton.Content = "오디오 기록 시작";
                    }

                    this.mediaCapture.Dispose();

                    this.mediaCapture = null;
                }


                this.statusTextBlock.Text = "비디오 캡처를 위한 카메라 초기화 중...";


                this.mediaCapture = new MediaCapture();

                await this.mediaCapture.InitializeAsync();

                this.statusTextBlock.Text = "비디오 기록을 위한 장치가 성공적으로 초기화되었습니다!";

                this.mediaCapture.Failed += mediaCapture_Failed;

                this.mediaCapture.RecordLimitationExceeded += mediaCapture_RecordLimitExceeded;

                this.previewCaptureElement.Source = this.mediaCapture;

                await this.mediaCapture.StartPreviewAsync();

                this.isPreviewing = true;

                this.statusTextBlock.Text = "카메라 미리보기가 성공했습니다.";

                SetVideoButtonVisibility(Action.ENABLED);

                this.initializeAudioButton.IsEnabled = true;
            }
            catch(Exception exception)
            {
                this.statusTextBlock.Text = "비디오 기록을 위한 카메라 초기화를 할 수 없습니다 : " + exception.Message;
            }
        }

        #endregion
        #region 오디오 초기화 버튼 클릭시 처리하기 - initializeAudioButton_Click(sender, e)

        /// <summary>
        /// 오디오 초기화 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private async void initializeAudioButton_Click(object sender, RoutedEventArgs e)
        {
            SetInitializeButtonVisibility(Action.DISABLED);
            SetVideoButtonVisibility(Action.DISABLED);
            SetAudioButtonVisibility(Action.DISABLED);

            try
            {
                if(this.mediaCapture != null)
                {
                    if(this.isPreviewing)
                    {
                        await this.mediaCapture.StopPreviewAsync();

                        this.lastCapturedPhotoImage.Source = null;

                        this.lastRecordedVideoMediaElement.Source = null;

                        this.isPreviewing = false;
                    }

                    if(this.isRecording)
                    {
                        await this.mediaCapture.StopRecordAsync();

                        this.isRecording = false;

                        this.recordVideoButton.Content = "비디오 기록 시작";
                        this.recordAudioButton.Content = "오디오 기록 시작";
                    }

                    this.mediaCapture.Dispose();

                    this.mediaCapture = null;
                }

                this.statusTextBlock.Text = "오디오 캡처를 위한 카메라 초기화 중...";

                this.mediaCapture = new MediaCapture();

                MediaCaptureInitializationSettings mediaCaptureInitializationSettings = new MediaCaptureInitializationSettings();

                mediaCaptureInitializationSettings.StreamingCaptureMode = StreamingCaptureMode.Audio;
                mediaCaptureInitializationSettings.MediaCategory        = MediaCategory.Other;
                mediaCaptureInitializationSettings.AudioProcessing      = AudioProcessing.Default;

                await this.mediaCapture.InitializeAsync(mediaCaptureInitializationSettings);

                this.statusTextBlock.Text = "오디오 기록을 위한 장치가 성공적으로 초기화되었습니다!" + "\n기록을 시작하기 위해 \'오디오 기록 시작\' 버튼을 누르시기 바랍니다.";

                this.mediaCapture.Failed += mediaCapture_Failed;

                this.mediaCapture.RecordLimitationExceeded += mediaCapture_RecordLimitExceeded;

                SetAudioButtonVisibility(Action.ENABLED);

                this.initializeVideoButton.IsEnabled = true;
            }
            catch(Exception exception)
            {
                this.statusTextBlock.Text = "오디오 기록을 위한 카메라 초기화를 할 수 없습니다 : " + exception.Message;
            }
        }

        #endregion
        #region 카메라 닫기 버튼 클릭시 처리하기 - closeCameraButton_Click(sender, e)

        /// <summary>
        /// 카메라 닫기 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void closeCameraButton_Click(object sender, RoutedEventArgs e)
        {
            SetInitializeButtonVisibility(Action.DISABLED);
            SetVideoButtonVisibility(Action.DISABLED);
            SetAudioButtonVisibility(Action.DISABLED);

            ProcessCloseCamera();
        }

        #endregion

        #region 미디어 캡처 실패시 처리하기 - mediaCapture_Failed(mediaCapture, e)

        /// <summary>
        /// 미디어 캡처 실패시 처리하기
        /// </summary>
        /// <param name="mediaCapture">미디어 캡처</param>
        /// <param name="e">이벤트 인자</param>
        private async void mediaCapture_Failed(MediaCapture mediaCapture, MediaCaptureFailedEventArgs e)
        {
            await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, async () =>
            {
                try
                {
                    this.statusTextBlock.Text = "미디어 캡처 실패 : " + e.Message;

                    if(this.isRecording)
                    {
                        await this.mediaCapture.StopRecordAsync();

                        this.statusTextBlock.Text += "\n 기록이 중단되었습니다.";
                    }
                }
                catch(Exception)
                {
                }
                finally
                {
                    SetInitializeButtonVisibility(Action.DISABLED);
                    SetVideoButtonVisibility(Action.DISABLED);
                    SetAudioButtonVisibility(Action.DISABLED);

                    this.statusTextBlock.Text += "\n카메라가 연결되어 있는지 체크하시기 바랍니다. 앱을 다시 시작해 주시기 바랍니다.";
                }
            });
        }

        #endregion
        #region 미디어 캡처 기록 제한 초과시 처리하기 - mediaCapture_RecordLimitExceeded(mediaCapture)

        /// <summary>
        /// 미디어 캡처 기록 제한 초과시 처리하기
        /// </summary>
        /// <param name="mediaCapture">미디어 캡처</param>
        public async void mediaCapture_RecordLimitExceeded(MediaCapture mediaCapture)
        {
            try
            {
                if(this.isRecording)
                {
                    await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, async () =>
                    {
                        try
                        {
                            this.statusTextBlock.Text = "최대 기록 시간을 초과해 기록을 중단하고 있습니다.";

                            await this.mediaCapture.StopRecordAsync();

                            this.isRecording = false;

                            this.recordVideoButton.Content = "비디오 기록 시작";
                            this.recordAudioButton.Content = "오디오 기록 시작";

                            if(this.mediaCapture.MediaCaptureSettings.StreamingCaptureMode == StreamingCaptureMode.Audio)
                            {
                                this.statusTextBlock.Text = "최대 기록 시간을 초과해 기록을 중단했습니다 : " + this.audioStorageFile.Path;
                            }
                            else
                            {
                                this.statusTextBlock.Text = "최대 기록 시간을 초과해 기록을 중단했습니다 : " + this.videoStorageFile.Path;
                            }
                        }
                        catch(Exception exception)
                        {
                            this.statusTextBlock.Text = exception.Message;
                        }
                    });
                }
            }
            catch(Exception exception)
            {
                this.statusTextBlock.Text = exception.Message;
            }
        }

        #endregion

        #region 사진 찍기 버튼 클릭시 처리하기 - takePhotoButton_Click(sender, e)

        /// <summary>
        /// 사진 찍기 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private async void takePhotoButton_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                this.takePhotoButton.IsEnabled   = false;
                this.recordVideoButton.IsEnabled = false;

                this.lastCapturedPhotoImage.Source = null;

                this.photoStorageFile = await KnownFolders.PicturesLibrary.CreateFileAsync(PHOTO_FILE_NAME, CreationCollisionOption.GenerateUniqueName);

                ImageEncodingProperties imageEncodingProperties = ImageEncodingProperties.CreatePng();

                await this.mediaCapture.CapturePhotoToStorageFileAsync(imageEncodingProperties, this.photoStorageFile);

                this.takePhotoButton.IsEnabled = true;

                this.statusTextBlock.Text = "사진 찍기가 성공했습니다 : " + this.photoStorageFile.Path;

                IRandomAccessStream randomAccessStream = await this.photoStorageFile.OpenReadAsync();

                BitmapImage bitmapImage = new BitmapImage();

                bitmapImage.SetSource(randomAccessStream);

                this.lastCapturedPhotoImage.Source = bitmapImage;
            }
            catch(Exception exception)
            {
                this.statusTextBlock.Text = exception.Message;

                ProcessCloseCamera();
            }
            finally
            {
                this.takePhotoButton.IsEnabled   = true;
                this.recordVideoButton.IsEnabled = true;
            }
        }

        #endregion
        #region 비디오 기록 버튼 클릭시 처리하기 - recordVideoButton_Click(sender, e)

        /// <summary>
        /// 비디오 기록 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private async void recordVideoButton_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                this.takePhotoButton.IsEnabled   = false;
                this.recordVideoButton.IsEnabled = false;

                this.lastRecordedVideoMediaElement.Source = null;

                if(this.recordVideoButton.Content.ToString() == "비디오 기록 시작")
                {
                    this.takePhotoButton.IsEnabled = false;

                    this.statusTextBlock.Text = "비디오 기록을 초기화 합니다.";

                    this.videoStorageFile = await KnownFolders.VideosLibrary.CreateFileAsync(VIDEO_FILE_NAME, CreationCollisionOption.GenerateUniqueName);

                    this.statusTextBlock.Text = "비디오 저장소 파일이 성공적으로 준비되었습니다.";

                    MediaEncodingProfile mediaEncodingProfile = null;

                    mediaEncodingProfile = MediaEncodingProfile.CreateMp4(VideoEncodingQuality.Auto);

                    await this.mediaCapture.StartRecordToStorageFileAsync(mediaEncodingProfile, this.videoStorageFile);

                    this.recordVideoButton.IsEnabled = true;

                    this.recordVideoButton.Content = "비디오 기록 중단";

                    this.isRecording = true;

                    this.statusTextBlock.Text = "비디오 기록 진행중... 중단하기 위해 \'비디오 기록 중단\' 버튼을 누르시기 바랍니다.";
                }
                else
                {
                    this.takePhotoButton.IsEnabled = true;

                    this.statusTextBlock.Text = "비디오 기록 중단중...";

                    await this.mediaCapture.StopRecordAsync();

                    this.isRecording = false;


                    IRandomAccessStreamWithContentType randomAccessStreamWithContentType = await this.videoStorageFile.OpenReadAsync();

                    this.lastRecordedVideoMediaElement.AutoPlay = true;

                    this.lastRecordedVideoMediaElement.SetSource(randomAccessStreamWithContentType, this.videoStorageFile.FileType);

                    this.lastRecordedVideoMediaElement.Play();

                    this.statusTextBlock.Text = "기록된 비디오 재생 : " + this.videoStorageFile.Path;

                    this.recordVideoButton.Content = "비디오 기록 시작";
                }
            }
            catch(Exception exception)
            {
                if(exception is UnauthorizedAccessException)
                {
                    this.statusTextBlock.Text = "기록된 비디오를 재생할 수 없습니다; \'" + this.videoStorageFile.Path + "\'에 비디오가 성공적으로 기록되었습니다.";

                    this.recordVideoButton.Content = "비디오 기록 시작";
                }
                else
                {
                    this.statusTextBlock.Text = exception.Message;

                    ProcessCloseCamera();
                }
            }
            finally
            {
                this.recordVideoButton.IsEnabled = true;
            }
        }

        #endregion
        #region 오디오 기록 버튼 클릭시 처리하기 - recordAudioButton_Click(sender, e)

        /// <summary>
        /// 오디오 기록 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private async void recordAudioButton_Click(object sender, RoutedEventArgs e)
        {
            this.recordAudioButton.IsEnabled = false;

            this.playbackMediaElement.Source = null;

            try
            {
                if(this.recordAudioButton.Content.ToString() == "오디오 기록 시작")
                {
                    this.audioStorageFile = await KnownFolders.VideosLibrary.CreateFileAsync(AUDIO_FILE_NAME, CreationCollisionOption.GenerateUniqueName);

                    this.statusTextBlock.Text = "오디오 저장소 파일이 성공적으로 준비되었습니다.";

                    MediaEncodingProfile mediaEncodingProfile = MediaEncodingProfile.CreateM4a(AudioEncodingQuality.Auto);

                    await this.mediaCapture.StartRecordToStorageFileAsync(mediaEncodingProfile, this.audioStorageFile);

                    this.isRecording = true;

                    this.recordAudioButton.IsEnabled = true;

                    this.recordAudioButton.Content = "오디오 기록 중단";

                    this.statusTextBlock.Text = "오디오 기록 진행중... 중단하기 위해 \'오디오 기록 중단\' 버튼을 누르시기 바랍니다.";
                }
                else
                {
                    this.statusTextBlock.Text = "오디오 기록 중단중...";

                    await this.mediaCapture.StopRecordAsync();

                    this.isRecording = false;

                    this.recordAudioButton.IsEnabled = true;
                    this.recordAudioButton.Content   = "오디오 기록 시작";

                    IRandomAccessStream randomAccessStream = await this.audioStorageFile.OpenAsync(FileAccessMode.Read);

                    this.statusTextBlock.Text = "기록된 오디오 재생 : " + this.audioStorageFile.Path;

                    this.playbackMediaElement.AutoPlay = true;

                    this.playbackMediaElement.SetSource(randomAccessStream, this.audioStorageFile.FileType);

                    this.playbackMediaElement.Play();
                }
            }
            catch(Exception exception)
            {
                this.statusTextBlock.Text = exception.Message;

                ProcessCloseCamera();
            }
            finally
            {
                this.recordAudioButton.IsEnabled = true;
            }
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////// Function

        #region 초기화 버튼 표시 여부 설정하기 - SetInitializeButtonVisibility(action)

        /// <summary>
        /// 초기화 버튼 표시 여부 설정하기
        /// </summary>
        /// <param name="action">액션</param>
        private void SetInitializeButtonVisibility(Action action)
        {
            if(action == Action.ENABLED)
            {
                this.initializeVideoButton.IsEnabled = true;
                this.initializeAudioButton.IsEnabled = true;
            }
            else
            {
                this.initializeVideoButton.IsEnabled = false;
                this.initializeAudioButton.IsEnabled = false;
            }
        }

        #endregion
        #region 비디오 버튼 표시 여부 설정하기 - SetVideoButtonVisibility(action)

        /// <summary>
        /// 비디오 버튼 표시 여부 설정하기
        /// </summary>
        /// <param name="action">액션</param>
        private void SetVideoButtonVisibility(Action action)
        {
            if(action == Action.ENABLED)
            {
                this.takePhotoButton.IsEnabled  = true;
                this.takePhotoButton.Visibility = Visibility.Visible;

                this.recordVideoButton.IsEnabled  = true;
                this.recordVideoButton.Visibility = Visibility.Visible;
            }
            else
            {
                this.takePhotoButton.IsEnabled  = false;
                this.takePhotoButton.Visibility = Visibility.Collapsed;

                this.recordVideoButton.IsEnabled  = false;
                this.recordVideoButton.Visibility = Visibility.Collapsed;
            }
        }

        #endregion
        #region 오디오 버튼 표시 여부 설정하기 - SetAudioButtonVisibility(action)

        /// <summary>
        /// 오디오 버튼 표시 여부 설정하기
        /// </summary>
        /// <param name="action">액션</param>
        private void SetAudioButtonVisibility(Action action)
        {
            if(action == Action.ENABLED)
            {
                this.recordAudioButton.IsEnabled  = true;
                this.recordAudioButton.Visibility = Visibility.Visible;
            }
            else
            {
                this.recordAudioButton.IsEnabled  = false;
                this.recordAudioButton.Visibility = Visibility.Collapsed;
            }
        }

        #endregion

        #region 카메라 닫기 처리하기 - ProcessCloseCamera()

        /// <summary>
        /// 카메라 닫기 처리하기
        /// </summary>
        private async void ProcessCloseCamera()
        {
            if(this.mediaCapture != null)
            {
                if(this.isPreviewing)
                {
                    await this.mediaCapture.StopPreviewAsync();

                    this.lastCapturedPhotoImage.Source = null;

                    this.lastRecordedVideoMediaElement.Source = null;

                    this.isPreviewing = false;
                }

                if(this.isRecording)
                {
                    await this.mediaCapture.StopRecordAsync();

                    this.isRecording = false;

                    this.recordVideoButton.Content = "비디오 기록 시작";
                    this.recordAudioButton.Content = "오디오 기록 시작";
                }

                this.mediaCapture.Dispose();

                this.mediaCapture = null;
            }

            SetInitializeButtonVisibility(Action.ENABLED);
        }

        #endregion
    }
}

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using System;

using Windows.Media;

using Windows.Media.Capture;

using Windows.Media.MediaProperties;

using Windows.Storage;

using Windows.Storage.Streams;

using Windows.UI.Core;

using Windows.UI.Xaml;

using Windows.UI.Xaml.Controls;

using Windows.UI.Xaml.Media.Imaging;

namespace TestApplication

{

/// <summary>

/// 메인 페이지

/// </summary>

public sealed partial class MainPage : Page

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Enumeration

////////////////////////////////////////////////////////////////////////////////////////// Private

#region 액션 - Action

/// <summary>

/// 액션

/// </summary>

private enum Action

{

/// <summary>

/// 활성화

/// </summary>

ENABLED,

/// <summary>

/// 비활성화

/// </summary>

DISABLED

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// 미디어 캡처 파일

/// </summary>

private MediaCapture mediaCapture;

/// <summary>

/// 사진 파일명

/// </summary>

private readonly string PHOTO_FILE_NAME = "photo.png";

/// <summary>

/// 비디오 파일명

/// </summary>

private readonly string VIDEO_FILE_NAME = "video.mp4";

/// <summary>

/// 오디오 파일명

/// </summary>

private readonly string AUDIO_FILE_NAME = "audio.mp3";

/// <summary>

/// 사진 저장소 파일

/// </summary>

private StorageFile photoStorageFile;

/// <summary>

/// 비디오 저장소 파일

/// </summary>

private StorageFile videoStorageFile;

/// <summary>

/// 오디오 저장소 파일

/// </summary>

private StorageFile audioStorageFile;

/// <summary>

/// 미리보기 여부

/// </summary>

private bool isPreviewing;

/// <summary>

/// 레코딩 여부

/// </summary>

private bool isRecording;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainPage()

/// <summary>

/// 생성자

/// </summary>

public MainPage()

{

this.InitializeComponent();

SetInitializeButtonVisibility(Action.ENABLED);

SetVideoButtonVisibility(Action.DISABLED);

SetAudioButtonVisibility(Action.DISABLED);

this.isPreviewing = false;

this.isRecording = false;

this.initializeVideoButton.Click += initializeVideoButton_Click;

this.initializeAudioButton.Click += initializeAudioButton_Click;

this.closeCameraButton.Click += closeCameraButton_Click;

this.takePhotoButton.Click += takePhotoButton_Click;

this.recordVideoButton.Click += recordVideoButton_Click;

this.recordAudioButton.Click += recordAudioButton_Click;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

//////////////////////////////////////////////////////////////////////////////// Event

#region 비디오 초기화 버튼 클릭시 처리하기 - initializeVideoButton_Click(sender, e)

/// <summary>

/// 비디오 초기화 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private async void initializeVideoButton_Click(object sender, RoutedEventArgs e)

{

SetInitializeButtonVisibility(Action.DISABLED);

SetVideoButtonVisibility(Action.DISABLED);

SetAudioButtonVisibility(Action.DISABLED);

try

{

if(this.mediaCapture != null)

{

if(this.isPreviewing)

{

await this.mediaCapture.StopPreviewAsync();

this.lastCapturedPhotoImage.Source = null;

this.lastRecordedVideoMediaElement.Source = null;

this.isPreviewing = false;

}

if(isRecording)

{

await this.mediaCapture.StopRecordAsync();

this.isRecording = false;

this.recordVideoButton.Content = "비디오 기록 시작";

this.recordAudioButton.Content = "오디오 기록 시작";

}

this.mediaCapture.Dispose();

this.mediaCapture = null;

}

this.statusTextBlock.Text = "비디오 캡처를 위한 카메라 초기화 중...";

this.mediaCapture = new MediaCapture();

await this.mediaCapture.InitializeAsync();

this.statusTextBlock.Text = "비디오 기록을 위한 장치가 성공적으로 초기화되었습니다!";

this.mediaCapture.Failed += mediaCapture_Failed;

this.mediaCapture.RecordLimitationExceeded += mediaCapture_RecordLimitExceeded;

this.previewCaptureElement.Source = this.mediaCapture;

await this.mediaCapture.StartPreviewAsync();

this.isPreviewing = true;

this.statusTextBlock.Text = "카메라 미리보기가 성공했습니다.";

SetVideoButtonVisibility(Action.ENABLED);

this.initializeAudioButton.IsEnabled = true;

}

catch(Exception exception)

{

this.statusTextBlock.Text = "비디오 기록을 위한 카메라 초기화를 할 수 없습니다 : " + exception.Message;

}

#endregion

#region 오디오 초기화 버튼 클릭시 처리하기 - initializeAudioButton_Click(sender, e)

/// <summary>

/// 오디오 초기화 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private async void initializeAudioButton_Click(object sender, RoutedEventArgs e)

{

SetInitializeButtonVisibility(Action.DISABLED);

SetVideoButtonVisibility(Action.DISABLED);

SetAudioButtonVisibility(Action.DISABLED);

try

{

if(this.mediaCapture != null)

{

if(this.isPreviewing)

{

await this.mediaCapture.StopPreviewAsync();

this.lastCapturedPhotoImage.Source = null;

this.lastRecordedVideoMediaElement.Source = null;

this.isPreviewing = false;

}

if(this.isRecording)

{

await this.mediaCapture.StopRecordAsync();

this.isRecording = false;

this.recordVideoButton.Content = "비디오 기록 시작";

this.recordAudioButton.Content = "오디오 기록 시작";

}

this.mediaCapture.Dispose();

this.mediaCapture = null;

}

this.statusTextBlock.Text = "오디오 캡처를 위한 카메라 초기화 중...";

this.mediaCapture = new MediaCapture();

MediaCaptureInitializationSettings mediaCaptureInitializationSettings = new MediaCaptureInitializationSettings();

mediaCaptureInitializationSettings.StreamingCaptureMode = StreamingCaptureMode.Audio;

mediaCaptureInitializationSettings.MediaCategory = MediaCategory.Other;

mediaCaptureInitializationSettings.AudioProcessing = AudioProcessing.Default;

await this.mediaCapture.InitializeAsync(mediaCaptureInitializationSettings);

this.statusTextBlock.Text = "오디오 기록을 위한 장치가 성공적으로 초기화되었습니다!" + "\n기록을 시작하기 위해 \'오디오 기록 시작\' 버튼을 누르시기 바랍니다.";

this.mediaCapture.Failed += mediaCapture_Failed;

this.mediaCapture.RecordLimitationExceeded += mediaCapture_RecordLimitExceeded;

SetAudioButtonVisibility(Action.ENABLED);

this.initializeVideoButton.IsEnabled = true;

}

catch(Exception exception)

{

this.statusTextBlock.Text = "오디오 기록을 위한 카메라 초기화를 할 수 없습니다 : " + exception.Message;

}

#endregion

#region 카메라 닫기 버튼 클릭시 처리하기 - closeCameraButton_Click(sender, e)

/// <summary>

/// 카메라 닫기 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void closeCameraButton_Click(object sender, RoutedEventArgs e)

{

SetInitializeButtonVisibility(Action.DISABLED);

SetVideoButtonVisibility(Action.DISABLED);

SetAudioButtonVisibility(Action.DISABLED);

ProcessCloseCamera();

}

#endregion

#region 미디어 캡처 실패시 처리하기 - mediaCapture_Failed(mediaCapture, e)

/// <summary>

/// 미디어 캡처 실패시 처리하기

/// </summary>

/// <param name="mediaCapture">미디어 캡처</param>

/// <param name="e">이벤트 인자</param>

private async void mediaCapture_Failed(MediaCapture mediaCapture, MediaCaptureFailedEventArgs e)

{

await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, async () =>

{

try

{

this.statusTextBlock.Text = "미디어 캡처 실패 : " + e.Message;

if(this.isRecording)

{

await this.mediaCapture.StopRecordAsync();

this.statusTextBlock.Text += "\n 기록이 중단되었습니다.";

}

catch(Exception)

{

}

finally

{

SetInitializeButtonVisibility(Action.DISABLED);

SetVideoButtonVisibility(Action.DISABLED);

SetAudioButtonVisibility(Action.DISABLED);

this.statusTextBlock.Text += "\n카메라가 연결되어 있는지 체크하시기 바랍니다. 앱을 다시 시작해 주시기 바랍니다.";

}

});

}

#endregion

#region 미디어 캡처 기록 제한 초과시 처리하기 - mediaCapture_RecordLimitExceeded(mediaCapture)

/// <summary>

/// 미디어 캡처 기록 제한 초과시 처리하기

/// </summary>

/// <param name="mediaCapture">미디어 캡처</param>

public async void mediaCapture_RecordLimitExceeded(MediaCapture mediaCapture)

{

try

{

if(this.isRecording)

{

await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, async () =>

{

try

{

this.statusTextBlock.Text = "최대 기록 시간을 초과해 기록을 중단하고 있습니다.";

await this.mediaCapture.StopRecordAsync();

this.isRecording = false;

this.recordVideoButton.Content = "비디오 기록 시작";

this.recordAudioButton.Content = "오디오 기록 시작";

if(this.mediaCapture.MediaCaptureSettings.StreamingCaptureMode == StreamingCaptureMode.Audio)

{

this.statusTextBlock.Text = "최대 기록 시간을 초과해 기록을 중단했습니다 : " + this.audioStorageFile.Path;

}

else

{

this.statusTextBlock.Text = "최대 기록 시간을 초과해 기록을 중단했습니다 : " + this.videoStorageFile.Path;

}

catch(Exception exception)

{

this.statusTextBlock.Text = exception.Message;

}

});

}

catch(Exception exception)

{

this.statusTextBlock.Text = exception.Message;

}

#endregion

#region 사진 찍기 버튼 클릭시 처리하기 - takePhotoButton_Click(sender, e)

/// <summary>

/// 사진 찍기 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private async void takePhotoButton_Click(object sender, RoutedEventArgs e)

{

try

{

this.takePhotoButton.IsEnabled = false;

this.recordVideoButton.IsEnabled = false;

this.lastCapturedPhotoImage.Source = null;

this.photoStorageFile = await KnownFolders.PicturesLibrary.CreateFileAsync(PHOTO_FILE_NAME, CreationCollisionOption.GenerateUniqueName);

ImageEncodingProperties imageEncodingProperties = ImageEncodingProperties.CreatePng();

await this.mediaCapture.CapturePhotoToStorageFileAsync(imageEncodingProperties, this.photoStorageFile);

this.takePhotoButton.IsEnabled = true;

this.statusTextBlock.Text = "사진 찍기가 성공했습니다 : " + this.photoStorageFile.Path;

IRandomAccessStream randomAccessStream = await this.photoStorageFile.OpenReadAsync();

BitmapImage bitmapImage = new BitmapImage();

bitmapImage.SetSource(randomAccessStream);

this.lastCapturedPhotoImage.Source = bitmapImage;

}

catch(Exception exception)

{

this.statusTextBlock.Text = exception.Message;

ProcessCloseCamera();

}

finally

{

this.takePhotoButton.IsEnabled = true;

this.recordVideoButton.IsEnabled = true;

}

#endregion

#region 비디오 기록 버튼 클릭시 처리하기 - recordVideoButton_Click(sender, e)

/// <summary>

/// 비디오 기록 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private async void recordVideoButton_Click(object sender, RoutedEventArgs e)

{

try

{

this.takePhotoButton.IsEnabled = false;

this.recordVideoButton.IsEnabled = false;

this.lastRecordedVideoMediaElement.Source = null;

if(this.recordVideoButton.Content.ToString() == "비디오 기록 시작")

{

this.takePhotoButton.IsEnabled = false;

this.statusTextBlock.Text = "비디오 기록을 초기화 합니다.";

this.videoStorageFile = await KnownFolders.VideosLibrary.CreateFileAsync(VIDEO_FILE_NAME, CreationCollisionOption.GenerateUniqueName);

this.statusTextBlock.Text = "비디오 저장소 파일이 성공적으로 준비되었습니다.";

MediaEncodingProfile mediaEncodingProfile = null;

mediaEncodingProfile = MediaEncodingProfile.CreateMp4(VideoEncodingQuality.Auto);

await this.mediaCapture.StartRecordToStorageFileAsync(mediaEncodingProfile, this.videoStorageFile);

this.recordVideoButton.IsEnabled = true;

this.recordVideoButton.Content = "비디오 기록 중단";

this.isRecording = true;

this.statusTextBlock.Text = "비디오 기록 진행중... 중단하기 위해 \'비디오 기록 중단\' 버튼을 누르시기 바랍니다.";

}

else

{

this.takePhotoButton.IsEnabled = true;

this.statusTextBlock.Text = "비디오 기록 중단중...";

await this.mediaCapture.StopRecordAsync();

this.isRecording = false;

IRandomAccessStreamWithContentType randomAccessStreamWithContentType = await this.videoStorageFile.OpenReadAsync();

this.lastRecordedVideoMediaElement.AutoPlay = true;

this.lastRecordedVideoMediaElement.SetSource(randomAccessStreamWithContentType, this.videoStorageFile.FileType);

this.lastRecordedVideoMediaElement.Play();

this.statusTextBlock.Text = "기록된 비디오 재생 : " + this.videoStorageFile.Path;

this.recordVideoButton.Content = "비디오 기록 시작";

}

catch(Exception exception)

{

if(exception is UnauthorizedAccessException)

{

this.statusTextBlock.Text = "기록된 비디오를 재생할 수 없습니다; \'" + this.videoStorageFile.Path + "\'에 비디오가 성공적으로 기록되었습니다.";

this.recordVideoButton.Content = "비디오 기록 시작";

}

else

{

this.statusTextBlock.Text = exception.Message;

ProcessCloseCamera();

}

finally

{

this.recordVideoButton.IsEnabled = true;

}

#endregion

#region 오디오 기록 버튼 클릭시 처리하기 - recordAudioButton_Click(sender, e)

/// <summary>

/// 오디오 기록 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private async void recordAudioButton_Click(object sender, RoutedEventArgs e)

{

this.recordAudioButton.IsEnabled = false;

this.playbackMediaElement.Source = null;

try

{

if(this.recordAudioButton.Content.ToString() == "오디오 기록 시작")

{

this.audioStorageFile = await KnownFolders.VideosLibrary.CreateFileAsync(AUDIO_FILE_NAME, CreationCollisionOption.GenerateUniqueName);

this.statusTextBlock.Text = "오디오 저장소 파일이 성공적으로 준비되었습니다.";

MediaEncodingProfile mediaEncodingProfile = MediaEncodingProfile.CreateM4a(AudioEncodingQuality.Auto);

await this.mediaCapture.StartRecordToStorageFileAsync(mediaEncodingProfile, this.audioStorageFile);

this.isRecording = true;

this.recordAudioButton.IsEnabled = true;

this.recordAudioButton.Content = "오디오 기록 중단";

this.statusTextBlock.Text = "오디오 기록 진행중... 중단하기 위해 \'오디오 기록 중단\' 버튼을 누르시기 바랍니다.";

}

else

{

this.statusTextBlock.Text = "오디오 기록 중단중...";

await this.mediaCapture.StopRecordAsync();

this.isRecording = false;

this.recordAudioButton.IsEnabled = true;

this.recordAudioButton.Content = "오디오 기록 시작";

IRandomAccessStream randomAccessStream = await this.audioStorageFile.OpenAsync(FileAccessMode.Read);

this.statusTextBlock.Text = "기록된 오디오 재생 : " + this.audioStorageFile.Path;

this.playbackMediaElement.AutoPlay = true;

this.playbackMediaElement.SetSource(randomAccessStream, this.audioStorageFile.FileType);

this.playbackMediaElement.Play();

}

catch(Exception exception)

{

this.statusTextBlock.Text = exception.Message;

ProcessCloseCamera();

}

finally

{

this.recordAudioButton.IsEnabled = true;

}

#endregion

//////////////////////////////////////////////////////////////////////////////// Function

#region 초기화 버튼 표시 여부 설정하기 - SetInitializeButtonVisibility(action)

/// <summary>

/// 초기화 버튼 표시 여부 설정하기

/// </summary>

/// <param name="action">액션</param>

private void SetInitializeButtonVisibility(Action action)

{

if(action == Action.ENABLED)

{

this.initializeVideoButton.IsEnabled = true;

this.initializeAudioButton.IsEnabled = true;

}

else

{

this.initializeVideoButton.IsEnabled = false;

this.initializeAudioButton.IsEnabled = false;

}

#endregion

#region 비디오 버튼 표시 여부 설정하기 - SetVideoButtonVisibility(action)

/// <summary>

/// 비디오 버튼 표시 여부 설정하기

/// </summary>

/// <param name="action">액션</param>

private void SetVideoButtonVisibility(Action action)

{

if(action == Action.ENABLED)

{

this.takePhotoButton.IsEnabled = true;

this.takePhotoButton.Visibility = Visibility.Visible;

this.recordVideoButton.IsEnabled = true;

this.recordVideoButton.Visibility = Visibility.Visible;

}

else

{

this.takePhotoButton.IsEnabled = false;

this.takePhotoButton.Visibility = Visibility.Collapsed;

this.recordVideoButton.IsEnabled = false;

this.recordVideoButton.Visibility = Visibility.Collapsed;

}

#endregion

#region 오디오 버튼 표시 여부 설정하기 - SetAudioButtonVisibility(action)

/// <summary>

/// 오디오 버튼 표시 여부 설정하기

/// </summary>

/// <param name="action">액션</param>

private void SetAudioButtonVisibility(Action action)

{

if(action == Action.ENABLED)

{

this.recordAudioButton.IsEnabled = true;

this.recordAudioButton.Visibility = Visibility.Visible;

}

else

{

this.recordAudioButton.IsEnabled = false;

this.recordAudioButton.Visibility = Visibility.Collapsed;

}

#endregion

#region 카메라 닫기 처리하기 - ProcessCloseCamera()

/// <summary>

/// 카메라 닫기 처리하기

/// </summary>

private async void ProcessCloseCamera()

{

if(this.mediaCapture != null)

{

if(this.isPreviewing)

{

await this.mediaCapture.StopPreviewAsync();

this.lastCapturedPhotoImage.Source = null;

this.lastRecordedVideoMediaElement.Source = null;

this.isPreviewing = false;

}

if(this.isRecording)

{

await this.mediaCapture.StopRecordAsync();

this.isRecording = false;

this.recordVideoButton.Content = "비디오 기록 시작";

this.recordAudioButton.Content = "오디오 기록 시작";

}

this.mediaCapture.Dispose();

this.mediaCapture = null;

}

SetInitializeButtonVisibility(Action.ENABLED);

}

#endregion

}

TestApplication.zip