void ScaleWrapBlit(int dx, int dy, Image srcimg, int dw, int dh, Image dest)
{
Image img = NewImage(dw, dh);
Blitter b = new Blitter(img);
b.TClear();
b.ScaleBlit(srcimg, 0, 0, dw, dh);
int mx = dx - (dw / 2);
int my = dy - (dh / 2);
if (mx < 0) mx += 255;
if (my < 0) my += 255;
b = new Blitter(dest);
BlitWrap(b, img, mx, my);
img.Dispose();
}