public void Restore()
{
var flags = _flagSaves.Pop();
if ((flags & MatrixSaveFlag) == MatrixSaveFlag)
{
_matrix = _matrixSaves.Pop();
}
if ((flags & ClipSaveFlag) == ClipSaveFlag)
{
var clipSave = _clipSaves.Pop();
_currentClip = clipSave.Rect;
clipSave.Layer.Dispose();
}
if ((flags & ClipToLayerSaveFlag) == ClipToLayerSaveFlag)
{
var drawingSession = _canvasDrawingSessions.Pop();
drawingSession.Flush();
drawingSession.Dispose();
var renderTargetSave = _renderTargetSaves.Pop();
var rt = renderTargetSave.CanvasRenderTarget;
UpdateDrawingSessionWithFlags(renderTargetSave.PaintFlags);
CurrentDrawingSession.Transform = GetCurrentTransform();
var canvasComposite = CanvasComposite.SourceAtop;
if (renderTargetSave.PaintXfermode != null)
{
canvasComposite = PorterDuff.ToCanvasComposite(renderTargetSave.PaintXfermode.Mode);
}
CurrentDrawingSession.DrawImage(rt, 0, 0, rt.Bounds,
renderTargetSave.PaintAlpha / 255f,
CanvasImageInterpolation.Linear,
canvasComposite);
}
CurrentDrawingSession.Flush();
}
public void Restore()
{
if (_flagSaves.Count < 1)
{
return;
}
var flags = _flagSaves.Pop();
//if ((flags & ClipToLayerSaveFlag) == ClipToLayerSaveFlag)
//{
// using (var brush = new SolidColorBrush(CurrentRenderTarget, new RawColor4(0, 0, 0, 0.3f)))
// CurrentRenderTarget.FillRectangle(new RectangleF(0, 0, 100, 100), brush);
//}
if ((flags & MatrixSaveFlag) == MatrixSaveFlag)
{
_matrix = _matrixSaves.Pop();
}
if ((flags & ClipSaveFlag) == ClipSaveFlag)
{
var clipSave = _clipSaves.Pop();
_currentClip = clipSave.RectangleF;
clipSave.Layer.Dispose();
}
if ((flags & ClipToLayerSaveFlag) == ClipToLayerSaveFlag)
{
var drawingSession = _canvasDrawingSessions.Pop();
drawingSession.RenderTarget.Flush();
drawingSession.RenderTarget.EndDraw();
var renderTargetSave = _renderTargetSaves.Pop();
var target = renderTargetSave.RenderTarget.Target;
UpdateDrawingSessionWithFlags(renderTargetSave.PaintFlags);
CurrentRenderTarget.Transform = GetCurrentTransform();
var canvasComposite = CompositeMode.SourceOver;
if (renderTargetSave.PaintXfermode != null)
{
canvasComposite = PorterDuff.ToCanvasComposite(renderTargetSave.PaintXfermode.Mode);
}
var rect = new RawRectangleF(0, 0, renderTargetSave.RenderTarget.Size.Width,
renderTargetSave.RenderTarget.Size.Height);
CurrentRenderTarget.DrawImage(drawingSession.Bitmap,
new RawVector2(0, 0),
new RawRectangleF(0, 0, renderTargetSave.RenderTarget.Size.Width,
renderTargetSave.RenderTarget.Size.Height),
//renderTargetSave.PaintAlpha / 255f,
InterpolationMode.Linear,
canvasComposite);
//CurrentRenderTarget.DrawBitmap(drawingSession.Bitmap, 255f, InterpolationMode.Linear);
//var rect = new RawRectangleF(0, 0, rt.Size.Width, rt.Size.Height);
////using (var brush = new SolidColorBrush(CurrentRenderTarget, Color.Black))
//// CurrentRenderTarget.FillOpacityMask(rt, brush, OpacityMaskContent.Graphics, rect, rect);
//CurrentRenderTarget.DrawImage(rt, rect, renderTargetSave.PaintAlpha / 255f, BitmapInterpolationMode.Linear, rect);
//rt.Dispose();
//renderTargetSave.RenderTarget.Dispose();
}
CurrentRenderTarget.Flush();
}
