Bug 649417 - Check if BasicShadowableImageLayer has a current image before attempting to use it. r=cjones

2011-05-13 12:38:44 +12:00
parent 3bfe81e65b
commit b13c72204c
1 changed files with 7 additions and 0 deletions
--- a/gfx/layers/basic/BasicLayers.cpp
+++ b/gfx/layers/basic/BasicLayers.cpp
@@ -2005,7 +2005,14 @@ private:
 void
 BasicShadowableImageLayer::Paint(gfxContext* aContext)
 {
+  if (!mContainer) {
+    return;
+  }
+
  nsRefPtr<Image> image = mContainer->GetCurrentImage();
+  if (!image) {
+    return;
+  }

  if (image->GetFormat() == Image::PLANAR_YCBCR && BasicManager()->IsCompositingCheap()) {
    PlanarYCbCrImage *YCbCrImage = static_cast<PlanarYCbCrImage*>(image.get());