protected void RenderCompositionTo(Surface dst, bool highQuality, bool forceUpToDate)
{
if (forceUpToDate)
{
UpdateComposition(false);
}
if (dst.Width == this.compositionSurface.Width &&
dst.Height == this.compositionSurface.Height)
{
dst.ClearWithCheckboardPattern();
new UserBlendOps.NormalBlendOp().Apply(dst, this.compositionSurface);
}
else if (highQuality)
{
Surface thumb = new Surface(dst.Size);
thumb.SuperSamplingFitSurface(this.compositionSurface);
dst.ClearWithCheckboardPattern();
new UserBlendOps.NormalBlendOp().Apply(dst, thumb);
thumb.Dispose();
}
else
{
this.surfaceBox.RenderTo(dst);
}
}
public override Surface RenderThumbnail(int maxEdgeLength)
{
Size thumbSize = Utility.ComputeThumbnailSize(this.Size, maxEdgeLength);
Surface thumb = new Surface(thumbSize);
thumb.SuperSamplingFitSurface(this.surface);
Surface thumb2 = new Surface(thumbSize);
thumb2.ClearWithCheckboardPattern();
UserBlendOps.NormalBlendOp nbop = new UserBlendOps.NormalBlendOp();
nbop.Apply(thumb2, thumb);
thumb.Dispose();
thumb = null;
return thumb2;
}
public override Surface RenderThumbnail(int maxEdgeLength)
{
Size thumbSize = Utility.ComputeThumbnailSize(this.Size, maxEdgeLength);
Surface thumb = new Surface(thumbSize);
thumb.SuperSamplingFitSurface(this.surface);
Surface thumb2 = new Surface(thumbSize);
thumb2.ClearWithCheckboardPattern();
UserBlendOps.NormalBlendOp nbop = new UserBlendOps.NormalBlendOp();
nbop.Apply(thumb2, thumb);
thumb.Dispose();
thumb = null;
return(thumb2);
}
