[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

}

TestSolution.zip