public void TurnCameraOn()
{
this._cam = new PhotoCamera();
this._cam.Initialized += new EventHandler <CameraOperationCompletedEventArgs>(this._cam_Initialized);
if (this._cameraRectangle != null && this._cameraVideoBrush != null)
{
CameraVideoBrushExtensions.SetSource(this._cameraVideoBrush, this._cam);
}
this._YFramesThread = null;
this._pumpYFrames = true;
this._YFramesThread = new Thread(new ThreadStart(this.PumpYFrames));
this._YFramesThread.Start();
}
private void BarcodeScanner_LayoutUpdated(object sender, EventArgs e)
{
this._cam = new PhotoCamera();
this._cam.Initialized += new EventHandler <CameraOperationCompletedEventArgs>(this._cam_Initialized);
if (this._cameraRectangle != null && this._cameraVideoBrush != null)
{
CameraVideoBrushExtensions.SetSource(this._cameraVideoBrush, this._cam);
}
if (this._YFramesThread == null || !this._YFramesThread.IsAlive)
{
this._pumpYFrames = true;
this._YFramesThread = new Thread(new ThreadStart(this.PumpYFrames));
this._YFramesThread.Start();
}
}
private void BarcodeScanner_Loaded(object sender, RoutedEventArgs e)
{
this.IsCameraInitialized = false;
if (this._cam == null)
{
this._cam = new PhotoCamera();
this._cam.Initialized += new EventHandler <CameraOperationCompletedEventArgs>(this._cam_Initialized);
if (this._cameraRectangle != null && this._cam != null && this._cameraVideoBrush != null)
{
CameraVideoBrushExtensions.SetSource(this._cameraVideoBrush, this._cam);
}
}
if (this._YFramesThread == null || !this._YFramesThread.IsAlive)
{
this._pumpYFrames = true;
this._YFramesThread = new Thread(new ThreadStart(this.PumpYFrames));
this._YFramesThread.Start();
}
CompositionTarget.Rendering += new EventHandler(this.CompositionTarget_Rendering);
}
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
this._cam = new PhotoCamera();
this._cam.Initialized += new EventHandler <CameraOperationCompletedEventArgs>(this._cam_Initialized);
this._cameraRectangle = (base.GetTemplateChild("PART_CamRect") as Rectangle);
if (this._cameraRectangle != null && this._cam != null)
{
this._cameraVideoBrush = (base.GetTemplateChild("PART_VideoBrush") as VideoBrush);
this._cameraTransform = (base.GetTemplateChild("PART_VideoTransform") as CompositeTransform);
if (this._cameraVideoBrush != null)
{
CameraVideoBrushExtensions.SetSource(this._cameraVideoBrush, this._cam);
}
}
this._hintDictionary = new Dictionary <object, object>();
this._currentReader = this.GetReader(this.ScanType);
this._scanType = this.ScanType;
if (this.ScanType == CodeType.QRCode)
{
VisualStateManager.GoToState(this, "QRCode", true);
}
else
{
if (this.ScanType == CodeType.TwoDCodes || this.ScanType == CodeType.DataMatrix)
{
VisualStateManager.GoToState(this, "TwoDCode", true);
}
else
{
VisualStateManager.GoToState(this, "OneDCode", true);
}
}
if (this.IsScanning)
{
VisualStateManager.GoToState(this, "Scanning", true);
}
else
{
VisualStateManager.GoToState(this, "NotScanning", true);
}
if (this.CameraOrientation == PageOrientation.Portrait || this.CameraOrientation == PageOrientation.PortraitDown || this.CameraOrientation == PageOrientation.PortraitUp)
{
this._cameraTransform.Rotation = 90.0;
}
else
{
if (this.CameraOrientation == PageOrientation.LandscapeLeft)
{
this._cameraTransform.Rotation = 0.0;
}
else
{
this._cameraTransform.Rotation = 180.0;
}
}
if (this.IsScanning)
{
this._isScanning = true;
}
else
{
this._isScanning = false;
}
CompositionTarget.Rendering += new EventHandler(this.CompositionTarget_Rendering);
}
