gfx/cairo/empty-clip-rectangles.patch

   1 From f2fa15680ec3ac95cb68d4957557f06561a7dc55 Mon Sep 17 00:00:00 2001
   2 From: Karl Tomlinson <karlt+@karlt.net>
   3 Date: Fri, 16 Jul 2010 22:39:50 +0000
   4 Subject: clip: return empty clip from _cairo_clip_copy_rectangle_list when all_clipped
   5
   6 Fixes https://bugs.freedesktop.org/show_bug.cgi?id=29122
   7 Tested by test/get-clip
   8
   9 Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
  10 ---
  11 diff --git a/src/cairo-clip.c b/src/cairo-clip.c
  12 index 12dc04d..f6173c6 100644
  13 --- a/src/cairo-clip.c
  14 +++ b/src/cairo-clip.c
  15 @@ -1499,7 +1499,10 @@ _cairo_clip_copy_rectangle_list (cairo_clip_t *clip, cairo_gstate_t *gstate)
  16      int n_rects = 0;
  17      int i;
  18
  19 -    if (clip != NULL && clip->path != NULL) {
  20 +    if (clip->all_clipped)
  21 +       goto DONE;
  22 +
  23 +    if (clip->path != NULL) {
  24         status = _cairo_clip_get_region (clip, &region);
  25         if (status == CAIRO_INT_STATUS_NOTHING_TO_DO) {
  26             goto DONE;
  27 --
  28 cgit v0.8.3-6-g21f6