summaryrefslogtreecommitdiffstats
path: root/gfx/cairo/avoid-extend-none.patch
diff options
context:
space:
mode:
Diffstat (limited to 'gfx/cairo/avoid-extend-none.patch')
-rw-r--r--gfx/cairo/avoid-extend-none.patch39
1 files changed, 39 insertions, 0 deletions
diff --git a/gfx/cairo/avoid-extend-none.patch b/gfx/cairo/avoid-extend-none.patch
new file mode 100644
index 0000000000..b3606cc2e0
--- /dev/null
+++ b/gfx/cairo/avoid-extend-none.patch
@@ -0,0 +1,39 @@
+changeset: 93076:25d0c8a38d7d
+tag: none
+tag: qbase
+tag: qtip
+tag: tip
+user: Jeff Muizelaar <jmuizelaar@mozilla.com>
+date: Thu May 03 15:21:52 2012 -0400
+summary: Bug 751668. Avoid incorrectly using EXTEND_NONE. r=joe
+
+diff --git a/gfx/cairo/cairo/src/cairo-image-surface.c b/gfx/cairo/cairo/src/cairo-image-surface.c
+--- a/gfx/cairo/cairo/src/cairo-image-surface.c
++++ b/gfx/cairo/cairo/src/cairo-image-surface.c
+@@ -1390,25 +1390,16 @@ static pixman_image_t *
+ cairo_image_surface_t *source = (cairo_image_surface_t *) pattern->surface;
+ cairo_surface_type_t type;
+
+ if (source->base.backend->type == CAIRO_INTERNAL_SURFACE_TYPE_SNAPSHOT)
+ source = (cairo_image_surface_t *) ((cairo_surface_snapshot_t *) pattern->surface)->target;
+
+ type = source->base.backend->type;
+ if (type == CAIRO_SURFACE_TYPE_IMAGE) {
+- if (extend != CAIRO_EXTEND_NONE &&
+- sample.x >= 0 &&
+- sample.y >= 0 &&
+- sample.x + sample.width <= source->width &&
+- sample.y + sample.height <= source->height)
+- {
+- extend = CAIRO_EXTEND_NONE;
+- }
+-
+ if (sample.width == 1 && sample.height == 1) {
+ if (sample.x < 0 ||
+ sample.y < 0 ||
+ sample.x >= source->width ||
+ sample.y >= source->height)
+ {
+ if (extend == CAIRO_EXTEND_NONE)
+ return _pixman_transparent_image ();
+