public void SendScreenshotResponse(Screenshot screenshot)
{
if (this._requestId != null && screenshot != null && screenshot.RequestId == this._requestId.Value)
{
if (this._completeScreenshot != null)
{
this._completeScreenshot(screenshot);
}
}
}
protected void ProcessCapture(RetrieveImageDataParams data)
{
var screenshot = new Screenshot(data.RequestId, data.Data, data.Width, data.Height, data.Pitch);
try
{
this.Interface.SendScreenshotResponse(screenshot);
}
catch (RemotingException ex)
{
this.TraceMessage("RemotingException: " + ex.Message);
screenshot.Dispose();
// Ignore remoting exceptions
// .NET Remoting will throw an exception if the host application is unreachable
}
catch (Exception e)
{
this.DebugMessage(e.ToString());
}
finally
{
}
}
protected void SendResponse(Screenshot response)
{
System.Threading.Tasks.Task.Factory.StartNew(() =>
{
try
{
Interface.SendScreenshotResponse(response);
LastCaptureTime = Timer.Elapsed;
}
catch (RemotingException)
{
// Ignore remoting exceptions
// .NET Remoting will throw an exception if the host application is unreachable
}
catch (Exception e)
{
DebugMessage(e.ToString());
}
});
}
public ScreenshotReceivedEventArgs(Int32 processId, Screenshot screenshot)
{
ProcessId = processId;
Screenshot = screenshot;
}
/// <summary>
/// Process the capture based on the requested format.
/// </summary>
/// <param name="width">image width</param>
/// <param name="height">image height</param>
/// <param name="pitch">data pitch (bytes per row)</param>
/// <param name="format">target format</param>
/// <param name="pBits">IntPtr to the image data</param>
/// <param name="request">The original requets</param>
protected void ProcessCapture(int width, int height, int pitch, PixelFormat format, IntPtr pBits, ScreenshotRequest request)
{
if (request == null)
return;
if (format == PixelFormat.Undefined)
{
DebugMessage("Unsupported render target format");
return;
}
// Copy the image data from the buffer
int size = height * pitch;
var data = new byte[size];
Marshal.Copy(pBits, data, 0, size);
// Prepare the response
Screenshot response = null;
if (request.Format == Capture.Interface.ImageFormat.PixelData)
{
// Return the raw data
response = new Screenshot(request.RequestId, data)
{
Format = request.Format,
PixelFormat = format,
Height = height,
Width = width,
Stride = pitch
};
}
else
{
// Return an image
using (var bm = data.ToBitmap(width, height, pitch, format))
{
System.Drawing.Imaging.ImageFormat imgFormat = System.Drawing.Imaging.ImageFormat.Bmp;
switch (request.Format)
{
case Capture.Interface.ImageFormat.Jpeg:
imgFormat = System.Drawing.Imaging.ImageFormat.Jpeg;
break;
case Capture.Interface.ImageFormat.Png:
imgFormat = System.Drawing.Imaging.ImageFormat.Png;
break;
}
response = new Screenshot(request.RequestId, bm.ToByteArray(imgFormat))
{
Format = request.Format,
Height = bm.Height,
Width = bm.Width
};
}
}
// Send the response
SendResponse(response);
}
