diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/effects/SkLayerRasterizer.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/include/effects/SkLayerRasterizer.h b/include/effects/SkLayerRasterizer.h index fc21a7cd18..9d4c8239f2 100644 --- a/include/effects/SkLayerRasterizer.h +++ b/include/effects/SkLayerRasterizer.h @@ -39,9 +39,10 @@ public: /** * Pass queue of layers on to newly created layer rasterizer and return it. The builder - * *cannot* be used any more after calling this function. + * *cannot* be used any more after calling this function. If no layers have been added, + * returns NULL. * - * The caller is responsible for calling unref() on the returned object. + * The caller is responsible for calling unref() on the returned object, if non NULL. */ SkLayerRasterizer* detachRasterizer(); @@ -51,11 +52,11 @@ public: * *may* be used after calling this function. It will continue to hold any layers * previously added, so consecutive calls to this function will return identical objects, * and objects returned by future calls to this function contain all the layers in - * previously returned objects. + * previously returned objects. If no layers have been added, returns NULL. * * Future calls to addLayer will not affect rasterizers previously returned by this call. * - * The caller is responsible for calling unref() on the returned object. + * The caller is responsible for calling unref() on the returned object, if non NULL. */ SkLayerRasterizer* snapshotRasterizer() const; |