public Layer PushLayer(D2DGraphics g, ScLayer sclayer)
{
Layer d2dLayer = new Layer(g.RenderTarget);
LayerParameters layerParameters = new LayerParameters();
layerParameters.ContentBounds = GDIDataD2DUtils.TransToRawRectF(sclayer.DrawBox);
layerParameters.LayerOptions = LayerOptions.InitializeForCleartype;
layerParameters.MaskAntialiasMode = AntialiasMode.PerPrimitive;
//应用到GeometricMask上的变换，这个变换可能已经在计算布局的时候已经计算到了sclayer.TransLastHitPathGeometry上
//所以不需要应用变换
layerParameters.MaskTransform = identityMatrix;
layerParameters.Opacity = sclayer.Opacity;
layerParameters.GeometricMask = sclayer.TransLastHitPathGeometry;
g.RenderTarget.PushLayer(ref layerParameters, d2dLayer);
return(d2dLayer);
}
