Bug 989858 - Part 1: Add Moz2D helpers to BasicLayersImpl. r=roc

2014-04-01 12:02:09 +08:00
parent 3c83ef23a9
commit efd983930f
5 changed files with 144 additions and 4 deletions
--- a/gfx/layers/basic/BasicImageLayer.cpp
+++ b/gfx/layers/basic/BasicImageLayer.cpp
@@ -56,6 +56,7 @@ public:

  virtual bool GetAsSurface(gfxASurface** aSurface,
                            SurfaceDescriptor* aDescriptor);
+  virtual TemporaryRef<SourceSurface> GetAsSourceSurface() MOZ_OVERRIDE;

 protected:
  BasicLayerManager* BasicManager()
@@ -231,6 +232,17 @@ BasicImageLayer::GetAsSurface(gfxASurface** aSurface,
  return true;
 }

+TemporaryRef<SourceSurface>
+BasicImageLayer::GetAsSourceSurface()
+{
+  if (!mContainer) {
+    return nullptr;
+  }
+
+  gfx::IntSize dontCare;
+  return mContainer->GetCurrentAsSourceSurface(&dontCare);
+}
+
 already_AddRefed<ImageLayer>
 BasicLayerManager::CreateImageLayer()
 {