public bool Get(Texture2D Texture, DxMousePointer DxMousePointer, Point TargetPosition = default)
{
lock (_syncLock)
{
// Disposed
if (_device == null)
{
return(false);
}
if (_bkpTexture == null)
{
var desc = Texture.Description;
desc.Width = _width;
desc.Height = _height;
// _device is being used by Desktop Duplication
_bkpTexture = new Texture2D(Texture.Device, desc);
}
var acquireResult = _frameGrabber.Grab();
if (acquireResult == null)
{
// _device is being used by Desktop Duplication
Texture.Device.ImmediateContext.CopySubresourceRegion(_bkpTexture,
0,
new ResourceRegion(0, 0, 0, _width, _height, 1),
Texture,
0,
TargetPosition.X, TargetPosition.Y);
return(true);
}
if (acquireResult.Result.Failure)
{
throw new Exception($"Failed to acquire next frame: {acquireResult.Result.Code}");
}
using (acquireResult.DesktopResource)
using (var tempTexture = acquireResult.DesktopResource.QueryInterface <Texture2D>())
{
DxMousePointer?.Update(tempTexture, acquireResult.FrameInfo, _deskDupl);
Texture.Device.ImmediateContext.CopySubresourceRegion(tempTexture,
0,
new ResourceRegion(0, 0, 0, _width, _height, 1),
Texture,
0,
TargetPosition.X, TargetPosition.Y);
_device.ImmediateContext.CopyResource(tempTexture, _bkpTexture);
}
_frameGrabber.Release();
return(true);
}
}
public void Dispose()
{
try { _duplCapture.Dispose(); }
catch { }
finally { _duplCapture = null; }
// Mouse Pointer disposed later to prevent errors.
try { _mousePointer?.Dispose(); }
catch { }
finally { _mousePointer = null; }
try { _editorSession.Dispose(); }
catch { }
finally { _editorSession = null; }
}
public DesktopDuplicator(bool IncludeCursor, Output1 Output, IPreviewWindow PreviewWindow)
{
_duplCapture = new DuplCapture(Output);
var bounds = Output.Description.DesktopBounds;
var width = bounds.Right - bounds.Left;
var height = bounds.Bottom - bounds.Top;
_editorSession = new Direct2DEditorSession(width, height, PreviewWindow);
if (IncludeCursor)
{
_mousePointer = new DxMousePointer(_editorSession);
}
}