diff options
Diffstat (limited to 'gfx/cairo/cairo-region-clip.patch')
| -rw-r--r-- | gfx/cairo/cairo-region-clip.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/gfx/cairo/cairo-region-clip.patch b/gfx/cairo/cairo-region-clip.patch new file mode 100644 index 0000000000..a0eb2d2658 --- /dev/null +++ b/gfx/cairo/cairo-region-clip.patch @@ -0,0 +1,34 @@ +# HG changeset patch +# User Matt Woodrow <mwoodrow@mozilla.com> +# Date 1408674084 -43200 +# Fri Aug 22 14:21:24 2014 +1200 +# Node ID 2b819b882c3b26c02d821e8d713591a9b56f1728 +# Parent ffd1fc7e7d5a85e4823b5f2067b4a24d358a0e41 +Bug 1050788 - Fix cairo clip path region construction when the first path generates no traps. r=jrmuizel + +diff --git a/gfx/cairo/cairo/src/cairo-clip.c b/gfx/cairo/cairo/src/cairo-clip.c +--- a/gfx/cairo/cairo/src/cairo-clip.c ++++ b/gfx/cairo/cairo/src/cairo-clip.c +@@ -590,16 +590,22 @@ static cairo_int_status_t + status = _cairo_path_fixed_fill_rectilinear_to_traps (&clip_path->path, + clip_path->fill_rule, + &traps); + if (unlikely (_cairo_status_is_error (status))) + return status; + if (status == CAIRO_INT_STATUS_UNSUPPORTED) + goto UNSUPPORTED; + ++ if (unlikely (traps.num_traps == 0)) { ++ clip_path->region = cairo_region_create (); ++ clip_path->flags |= CAIRO_CLIP_PATH_HAS_REGION; ++ return CAIRO_STATUS_SUCCESS; ++ } ++ + if (traps.num_traps > ARRAY_LENGTH (stack_boxes)) { + boxes = _cairo_malloc_ab (traps.num_traps, sizeof (cairo_box_t)); + if (unlikely (boxes == NULL)) + return _cairo_error (CAIRO_STATUS_NO_MEMORY); + } + + for (n = 0; n < traps.num_traps; n++) { + boxes[n].p1.x = traps.traps[n].left.p1.x; |