diff options
-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 d2883757..afeb989f 100644 --- a/source/fitz/draw-paint.c +++ b/source/fitz/draw-paint.c @@ -2123,6 +2123,9 @@ fz_paint_pixmap(fz_pixmap * restrict dst, const fz_pixmap * restrict src, int al int x, y, w, h, n, da, sa; fz_span_painter_t *fn; + if (alpha == 0) + return; + assert(dst->n - dst->alpha == src->n - src->alpha); fz_pixmap_bbox_no_ctx(dst, &bbox); |