public void PopLayer()
{
GDILayer layer = layerStack.First();
GDILayerParameters layerParameters = paramStack.First();
RectangleF parentContentBound;
RectangleF clipRect;
ScLayer sclayer = layerParameters.sclayer;
layerStack.RemoveFirst();
paramStack.RemoveFirst();
if (layerStack.Count > 0)
{
gdiGraph = layerStack.First().graph;
parentContentBound = paramStack.First().ContentBounds;
clipRect = paramStack.First().ClipRect;
}
else
{
gdiGraph = rootGdiGraph;
parentContentBound = new RectangleF(0, 0, w, h);
clipRect = layerParameters.parentClipRect;
}
float x = (float)Math.Round(layerParameters.ContentBounds.X - parentContentBound.X);
float y = (float)Math.Round(layerParameters.ContentBounds.Y - parentContentBound.Y);
Bitmap effectbmp = layer.bitmap;
//后处理效果
if (sclayer.UsePosttreatmentEffect)
{
effectbmp = sclayer.ScPostTreatmentEffectGDI(layer.bitmap);
}
//
TextureBrush br = new TextureBrush(effectbmp, WrapMode.Clamp);
br.TranslateTransform((int)x, (int)y);
switch (layerParameters.MaskAntialiasMode)
{
case GDIAntialiasMode.PerPrimitive:
gdiGraph.SmoothingMode = SmoothingMode.AntiAlias;
break;
case GDIAntialiasMode.Aliased:
gdiGraph.SmoothingMode = SmoothingMode.None;
break;
}
gdiGraph.Transform = new Matrix();
gdiGraph.SetClip(clipRect);
gdiGraph.FillPath(br, layerParameters.GeometricMask);
gdiGraph.ResetClip();
//后处理效果释放
if (sclayer.UsePosttreatmentEffect)
{
sclayer.ScReleasePostTreatmentEffectGDI(effectbmp);
}
br.Dispose();
}
