protected virtual void OnRenderCompleted(RenderResult result)
{
if (result.IsSuccess)
{
completedRequest = result.Request;
completedBitmap = result.CreateBitmap();
bitmapInvalidated = false;
InvalidateVisual();
BackgroundRenderer.RaiseRenderingFinished(this);
}
}
/// <summary>Constructs successul rendering result</summary>
/// <param name="request">Source request</param>
/// <param name="result">Rendered bitmap</param>
public RenderResult(RenderRequest request, BitmapSource result)
{
this.request = request;
pixelWidth = result.PixelWidth;
pixelHeight = result.PixelHeight;
stride = result.PixelWidth * result.Format.BitsPerPixel / 8;
dpiX = result.DpiX;
dpiY = result.DpiY;
palette = result.Palette;
format = result.Format;
pixels = new byte[pixelHeight * stride];
result.CopyPixels(pixels, stride, 0);
}
protected virtual void OnRenderCompleted(RenderResult result)
{
if (IsDisposed)
{
return;
}
completedRequest = result.Request;
completedBitmap = result.Bitmap;
bitmapInvalidated = false;
InvalidateVisual();
BackgroundRenderer.RaiseRenderingFinished(this);
}
private void RenderThreadFunc()
{
WaitHandle[] events = new WaitHandle[] { renderRequested, shutdownRequested };
while (true)
{
lock (this)
{
activeRequest = null;
if (pendingRequest != null)
{
activeRequest = pendingRequest;
pendingRequest = null;
}
}
if (activeRequest == null)
{
WaitHandle.WaitAny(events);
if (shutdownRequested.WaitOne(0))
{
break;
}
}
else
{
try
{
BitmapSource result = (BitmapSource)RenderFrame(activeRequest.Visible, activeRequest.Output);
if (result != null && !IsDisposed)
{
Dispatcher.BeginInvoke(
new RenderCompletionHandler(OnRenderCompleted),
new RenderResult(activeRequest, result));
}
}
catch (Exception exc)
{
Trace.WriteLine(String.Format("RenderRequest {0} failed: {1}", activeRequest.RequestID, exc.Message));
}
}
}
}
private void CreateRenderTask(DataRect visible, Rect output)
{
lock (this)
{
bitmapInvalidated = true;
if (activeRequest != null)
{
activeRequest.Cancel();
}
pendingRequest = new RenderRequest(nextRequestId++, visible, output);
renderRequested.Set();
}
if (renderThread == null)
{
renderThread = new Thread(RenderThreadFunc);
renderThread.IsBackground = true;
renderThread.SetApartmentState(ApartmentState.STA);
renderThread.Start();
}
}
/// <summary>Constructs successul rendering result</summary>
/// <param name="request">Source request</param>
/// <param name="result">Rendered bitmap</param>
public RenderResult(RenderRequest request, BitmapSource result)
{
this.request = request;
pixelWidth = result.PixelWidth;
pixelHeight = result.PixelHeight;
stride = result.PixelWidth * result.Format.BitsPerPixel / 8;
dpiX = result.DpiX;
dpiY = result.DpiY;
palette = result.Palette;
format = result.Format;
pixels = new byte[pixelHeight * stride];
result.CopyPixels(pixels, stride, 0);
}
private void RenderThreadFunc()
{
WaitHandle[] events = new WaitHandle[] { renderRequested, shutdownRequested };
while (true)
{
lock (this)
{
activeRequest = null;
if (pendingRequest != null)
{
activeRequest = pendingRequest;
pendingRequest = null;
}
}
if (activeRequest == null)
{
WaitHandle.WaitAny(events);
if (shutdownRequested.WaitOne(0))
break;
}
else
{
try
{
BitmapSource result = (BitmapSource)RenderFrame(activeRequest.Visible, activeRequest.Output);
if (result != null)
Dispatcher.BeginInvoke(
new RenderCompletionHandler(OnRenderCompleted),
new RenderResult(activeRequest, result));
}
catch (Exception exc)
{
Trace.WriteLine(String.Format("RenderRequest {0} failed: {1}", activeRequest.RequestID, exc.Message));
}
}
}
}
private void CreateRenderTask(DataRect visible, Rect output)
{
lock (this)
{
bitmapInvalidated = true;
if (activeRequest != null)
activeRequest.Cancel();
pendingRequest = new RenderRequest(nextRequestId++, visible, output);
renderRequested.Set();
}
if (renderThread == null)
{
renderThread = new Thread(RenderThreadFunc);
renderThread.IsBackground = true;
renderThread.SetApartmentState(ApartmentState.STA);
renderThread.Start();
}
}
protected virtual void OnRenderCompleted(RenderResult result)
{
if (result.IsSuccess)
{
completedRequest = result.Request;
completedBitmap = result.CreateBitmap();
bitmapInvalidated = false;
InvalidateVisual();
BackgroundRenderer.RaiseRenderingFinished(this);
}
}
/// <summary>Constructs successul rendering result</summary>
/// <param name="request">Source request</param>
/// <param name="result">Rendered bitmap</param>
public RenderResult(RenderRequest request, BitmapSource result)
{
this.bitmap = result;
this.request = request;
result.Freeze();
}
/// <summary>Constructs successul rendering result</summary>
/// <param name="request">Source request</param>
/// <param name="result">Rendered bitmap</param>
public RenderResult(RenderRequest request, BitmapSource result)
{
this.bitmap = result;
this.request = request;
result.Freeze();
}
protected virtual void OnRenderCompleted(RenderResult result)
{
if (IsDisposed)
return;
completedRequest = result.Request;
completedBitmap = result.Bitmap;
bitmapInvalidated = false;
InvalidateVisual();
BackgroundRenderer.RaiseRenderingFinished(this);
}
