private static void Draw(this floydSteinberg _p0, Image dst, image.Rectangle r, image.Image src, image.Point sp)
{
clip(dst, _addr_r, src, _addr_sp, null, _addr_null);
if (r.Empty())
{
return ;
}
drawPaletted(dst, r, src, sp, true);
}
// Draw implements the Drawer interface by calling the Draw function with this
// Op.
public static void Draw(this Op op, Image dst, image.Rectangle r, image.Image src, image.Point sp)
{
DrawMask(dst, r, src, sp, null, new image.Point(), op);
}
// DrawYCbCr draws the YCbCr source image on the RGBA destination image with
// r.Min in dst aligned with sp in src. It reports whether the draw was
// successful. If it returns false, no dst pixels were changed.
//
// This function assumes that r is entirely within dst's bounds and the
// translation of r from dst coordinate space to src coordinate space is
// entirely within src's bounds.
public static bool DrawYCbCr(ptr <image.RGBA> _addr_dst, image.Rectangle r, ptr <image.YCbCr> _addr_src, image.Point sp)
{
bool ok = default;
ref image.RGBA dst = ref _addr_dst.val;