protected override GwsGraphics Clone(int? width = null, int? height = null)
{
var canvas = base.Clone(width, height) as Graphics;
var rc = this.CompitibleRC(0, 0, width?? Width, height?? PrimaryBuffer.Height);
PrimaryBuffer.CopyMemoryTo(canvas.PrimaryBuffer, rc, 0, 0);
return canvas;
}
protected sealed override void ResetDataInternally(int width, int height)
{
var newBuffer = new SdlBuffer(width, height);
var srcRc = this.CompitibleRC(null, null, width, height);
PrimaryBuffer.CopyMemoryTo(newBuffer, srcRc, 0, 0);
PrimaryBuffer.Dispose();
PrimaryBuffer = newBuffer;
Handle = newBuffer.Handle;
ID = "Surface" + Handle.ToString();
}