1 files changed, 43 insertions, 0 deletions
diff --git a/libre/icecat/cairo.patch b/libre/icecat/cairo.patch
new file mode 100644
index 000000000..981eff883
--- /dev/null
+++ b/libre/icecat/cairo.patch
@@ -0,0 +1,43 @@
+From: Uli Schlachter <psychon@znc.in>
+Date: Thu, 17 May 2012 10:51:11 +0200
+Subject: Bug 722975 - Make system cairo work again
+
+---
+ gfx/thebes/gfxPlatform.cpp |   16 ++++------------
+ 1 file changed, 4 insertions(+), 12 deletions(-)
+
+diff --git a/gfx/thebes/gfxPlatform.cpp b/gfx/thebes/gfxPlatform.cpp
+index fb06fba..a0edefc 100644
+--- a/gfx/thebes/gfxPlatform.cpp
++++ b/gfx/thebes/gfxPlatform.cpp
+@@ -436,11 +436,9 @@ void SourceBufferDestroy(void *srcBuffer)
+   static_cast<SourceSurface*>(srcBuffer)->Release();
+ }
+ 
+-void SourceSnapshotDetached(cairo_surface_t *nullSurf)
++void SourceSnapshotDetached(void *nullSurf)
+ {
+-  gfxImageSurface* origSurf =
+-    static_cast<gfxImageSurface*>(cairo_surface_get_user_data(nullSurf, &kSourceSurface));
+-
++  gfxImageSurface *origSurf = static_cast<gfxImageSurface*>(nullSurf);
+   origSurf->SetData(&kSourceSurface, NULL, NULL);
+ }
+ 
+@@ -512,14 +510,8 @@ gfxPlatform::GetSourceSurfaceForSurface(DrawTarget *aTarget, gfxASurface *aSurfa
+                                                      imgSurface->Stride(),
+                                                      format);
+ 
+-    cairo_surface_t *nullSurf =
+-	cairo_null_surface_create(CAIRO_CONTENT_COLOR_ALPHA);
+-    cairo_surface_set_user_data(nullSurf,
+-				&kSourceSurface,
+-				imgSurface,
+-				NULL);
+-    cairo_surface_attach_snapshot(imgSurface->CairoSurface(), nullSurf, SourceSnapshotDetached);
+-    cairo_surface_destroy(nullSurf);
++    cairo_surface_set_mime_data(imgSurface->CairoSurface(), "mozilla/magic",
++		(const unsigned char *) "data", 4, SourceSnapshotDetached, imgSurface.get());
+   }
+ 
+   srcBuffer->AddRef();