X/Render, rotation transform, Src PICTOP: can I ignore pixels in the bounding box but outside the polygon?
nigeltao at golang.org
Sun May 22 05:07:17 UTC 2016
On Wed, May 18, 2016 at 8:07 PM, Ilya Anfimov <ilan at astelecom.ru> wrote:
> But anyway you can specify clip-mask with ChangePicture to use
> bitmap of enabled pixels. Whould be better IMO than restricting
> output line-by-line.
> And that mask bitmap also could be calculated by RENDER.
I suppose that will 'work', clipping the dst rather than the src,
although it seems inefficient to allocate and clean up an entire
Pixmap for the mask every time I want to do this...
More information about the xorg