Don't clip mask surface to mask bounding box.

The mask bounding box is the geometric bounding box which dosn't allow
for filters that can extend outside the box. Partial fix for bug 208217.

diff --git a/src/extension/internal/cairo-renderer.cpp b/src/extension/internal/cairo-renderer.cpp
index 25cbc14ade165cbfa3cd2ff5286702967039cc31..2b74c6f7ca95830eea40b4b705d71c1fec72c065 100644 (file)
--- a/src/extension/internal/cairo-renderer.cpp
+++ b/src/extension/internal/cairo-renderer.cpp
@@ -748,8 +748,10 @@ CairoRenderer::applyMask(CairoRenderContext *ctx, SPMask const *mask)
         ctx->setTransform(&t);
     }
 
-    // clip mask contents
-    ctx->addClippingRect(mask_bbox.x0, mask_bbox.y0, mask_bbox.x1 - mask_bbox.x0, mask_bbox.y1 - mask_bbox.y0);
+    // Clip mask contents... but...
+    // The mask's bounding box is the "geometric bounding box" which doesn't allow for
+    // filters which extend outside the bounding box. So don't clip.
+    // ctx->addClippingRect(mask_bbox.x0, mask_bbox.y0, mask_bbox.x1 - mask_bbox.x0, mask_bbox.y1 - mask_bbox.y0);
 
     ctx->pushState();