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| author | Robin Watts <robin.watts@artifex.com> | 2017-09-27 17:31:59 +0100 |
|---|---|---|
| committer | Robin Watts <robin.watts@artifex.com> | 2017-09-27 18:05:14 +0100 |
| commit | 0cf2cd4eb8b1ef891a853c0abb9ca8a317638969 (patch) | |
| tree | 9683b2b15627ab38704c57c0bbddf9e9f145ed8d /source/fitz/draw-paint.c | |
| parent | c2663e51238ec8256da7fc61ad580db891d9fe9a (diff) | |
| download | mupdf-0cf2cd4eb8b1ef891a853c0abb9ca8a317638969.tar.xz | |
Bug 698588: Short circuit plotting of images if alpha == 0.
Diffstat (limited to 'source/fitz/draw-paint.c')
| -rw-r--r-- | source/fitz/draw-paint.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/source/fitz/draw-paint.c b/source/fitz/draw-paint.c index 76f9638a..ac3a6629 100644 --- a/source/fitz/draw-paint.c +++ b/source/fitz/draw-paint.c @@ -1861,6 +1861,9 @@ fz_paint_pixmap_with_bbox(fz_pixmap * restrict dst, const fz_pixmap * restrict s assert(dst->n - dst->alpha == src->n - src->alpha); + if (alpha == 0) + return; + fz_pixmap_bbox_no_ctx(dst, &bbox2); fz_intersect_irect(&bbox, &bbox2); fz_pixmap_bbox_no_ctx(src, &bbox2); |