pdf.js/test/pdfs/bug857031.pdf.link
Calixte Denizet f62d961dfe Improve performances with image masks (bug 857031)
- it's the second part of the fix for https://bugzilla.mozilla.org/show_bug.cgi?id=857031;
- some image masks can be used several times but at different positions;
- an image need to be pre-process before to be rendered:
  * rescale it;
  * use the fill color/pattern.
- the two operations above are time consuming so we can cache the generated canvas;
- the cache key is based on the current transform matrix (without the translation part)
  and the current fill color when it isn't a pattern.
- the rendering of the pdf in the above bug is really faster than without this patch.
2022-04-16 20:48:39 +02:00

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https://bug857031.bmoattachments.org/attachment.cgi?id=732270