diff -r 000000000000 -r 6474c204b198 gfx/cairo/pixman-component-alpha.patch
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/cairo/pixman-component-alpha.patch	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,34 @@
+commit d14b8c688f4cbe6c9289955d9ce7257c07869f9e
+Author: Jeff Muizelaar <jmuizelaar@mozilla.com>
+Date:   Wed May 6 10:19:04 2009 -0400
+
+    create getter for component alpha
+
+diff --git a/gfx/cairo/libpixman/src/pixman-image.c b/gfx/cairo/libpixman/src/pixman-image.c
+index e80c479..2c49f92 100644
+--- a/gfx/cairo/libpixman/src/pixman-image.c
++++ b/gfx/cairo/libpixman/src/pixman-image.c
+@@ -563,6 +563,11 @@ pixman_image_set_component_alpha   (pixman_image_t       *image,
+     image->common.component_alpha = component_alpha;
+ }
+ 
++PIXMAN_EXPORT pixman_bool_t
++pixman_image_get_component_alpha   (pixman_image_t       *image)
++{
++    return image->common.component_alpha;
++}
+ 
+ PIXMAN_EXPORT void
+ pixman_image_set_accessors (pixman_image_t             *image,
+diff --git a/gfx/cairo/libpixman/src/pixman.h b/gfx/cairo/libpixman/src/pixman.h
+index 49c39d5..522a866 100644
+--- a/gfx/cairo/libpixman/src/pixman.h
++++ b/gfx/cairo/libpixman/src/pixman.h
+@@ -767,6 +767,7 @@ void            pixman_image_set_alpha_map           (pixman_image_t
+ 						      int16_t                       y);
+ void            pixman_image_set_component_alpha     (pixman_image_t               *image,
+ 						      pixman_bool_t                 component_alpha);
++pixman_bool_t   pixman_image_get_component_alpha     (pixman_image_t               *image);
+ void		pixman_image_set_accessors	     (pixman_image_t		   *image,
+ 						      pixman_read_memory_func_t	    read_func,
+ 						      pixman_write_memory_func_t    write_func);