■ CameraControl 클래스에서 카메라를 사용하는 방법을 보여준다. (기능 개선)
[TestLibrary 프로젝트]
▶ CameraControl.xaml
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<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
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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
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<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> |
▶ MainWindow.xaml.cs
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using System.ComponentModel; using System.IO; using System.Linq; using System.Windows; using System.Windows.Media; using System.Windows.Media.Imaging; using TestLibrary; namespace TestProject { /// <summary> /// 메인 윈도우 /// </summary> public partial class MainWindow : Window { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainWindow() /// <summary> /// 생성자 /// </summary> public MainWindow() { InitializeComponent(); Closing += Window_Closing; this.startButton.Click += startButton_Click; this.imageButton.Click += imageButton_Click; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private //////////////////////////////////////////////////////////////////////////////// Event #region 윈도우 닫을 경우 처리하기 - Window_Closing(sender, e) /// <summary> /// 윈도우 닫을 경우 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void Window_Closing(object sender, CancelEventArgs e) { this.cameraControl.Stop(); } #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, RoutedEventArgs e) { if(this.startButton.Content.ToString() == "시작") { this.cameraControl.DeviceName = CameraControl.GetDeviceNameList().First(); this.cameraControl.Start(); this.startButton.Content = "중단"; } else { this.cameraControl.Stop(); this.startButton.Content = "시작"; } } #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, RoutedEventArgs e) { ImageSource imageSource = this.cameraControl.GetImage(); PngBitmapEncoder encoder = new PngBitmapEncoder(); encoder.Frames.Add(BitmapFrame.Create(imageSource as BitmapImage)); using(FileStream stream = new FileStream("d:\\sample.png", FileMode.Create, FileAccess.Write, FileShare.None)) { encoder.Save(stream); } } #endregion } } |
