internal override void tileImage(Microsoft.Graphics.Canvas.CanvasBitmap canvasBitmap, int x, int y, int w, int h)
{
setGraphics(canvas.CreateDrawingSession());
base.setClip(clip);
base.tileImage(canvasBitmap, x, y, w, h);
base.removeClip();
dispose();
}
public DrawImagePainter(Rectangle clip, Microsoft.Graphics.Canvas.CanvasBitmap canvasBitmap, int x, int y, int alpha)
: base(clip)
{
this.clip = clip;
this.canvasBitmap = canvasBitmap;
this.x = x;
this.y = y;
this.alpha = alpha;
}
public DrawImagePainter(Rectangle clip, Microsoft.Graphics.Canvas.CanvasBitmap canvasBitmap, int x, int y, int alpha)
: base(clip)
{
this.clip = clip;
this.canvasBitmap = canvasBitmap;
this.x = x;
this.y = y;
this.alpha = alpha;
}
public TileImagePainter(Shape clip, Microsoft.Graphics.Canvas.CanvasBitmap canvasBitmap, int x, int y, int w, int h, int alpha) : base(clip)
{
this.clip = clip;
this.canvasBitmap = canvasBitmap;
this.x = x;
this.y = y;
this.w = w;
this.h = h;
this.alpha = alpha;
}
private void FillSurfaceWithBitmap(Microsoft.Graphics.Canvas.CanvasBitmap canvasBitmap)
{
Microsoft.Graphics.Canvas.UI.Composition.CanvasComposition.Resize(_surface, canvasBitmap.Size);
using (var session = Microsoft.Graphics.Canvas.UI.Composition.CanvasComposition.CreateDrawingSession(_surface))
{
session.Clear(Windows.UI.Colors.Transparent);
session.DrawImage(canvasBitmap);
}
}
private void DisplayFrame(Direct3D11CaptureFrame frame)
{
// Resize and device-lost leverage the same function on the
// Direct3D11CaptureFramePool. Refactoring it this way avoids
// throwing in the catch block below (device creation could always
// fail) along with ensuring that resize completes successfully and
// isn’t vulnerable to device-lost.
bool needsReset = false;
bool recreateDevice = false;
if ((frame.ContentSize.Width != _lastSize.Width) ||
(frame.ContentSize.Height != _lastSize.Height))
{
needsReset = true;
_lastSize = frame.ContentSize;
}
try
{
// Take the D3D11 surface and draw it into a
// Composition surface.
// Convert our D3D11 surface into a Win2D object.
Microsoft.Graphics.Canvas.CanvasBitmap canvasBitmap = Microsoft.Graphics.Canvas.CanvasBitmap.CreateFromDirect3D11Surface(_canvasDevice, frame.Surface);
//_currentFrame = canvasBitmap;
// Helper that handles the drawing for us.
FillSurfaceWithBitmap(canvasBitmap);
}
// This is the device-lost convention for Win2D.
catch (Exception e) when(_canvasDevice.IsDeviceLost(e.HResult))
{
System.Diagnostics.Debug.WriteLine("Canvas Device is Lost!!");
// We lost our graphics device. Recreate it and reset
// our Direct3D11CaptureFramePool.
needsReset = true;
recreateDevice = true;
}
if (needsReset)
{
ResetFramePool(frame.ContentSize, recreateDevice);
}
}
