protected override void OnBeforeExecute()
{
Rectangle blitRect = new Rectangle(0, 0, Source.Width, Source.Height);
BlitRects = new Rectangle[PaintDotNet.SystemLayer.Processor.LogicalCpuCount];
Utility.SplitRectangle(blitRect, BlitRects);
BlitWindows = new Surface[BlitRects.Length];
for (int i = 0; i < BlitRects.Length; ++i)
{
BlitWindows[i] = Dest.CreateWindow(BlitRects[i]);
}
ThreadPool = new PaintDotNet.Threading.ThreadPool();
base.OnBeforeExecute();
}
