SkPictureImageGenerator

include/core/SkImageGenerator.h

Index: include/core/SkImageGenerator.h
diff --git a/include/core/SkImageGenerator.h b/include/core/SkImageGenerator.h
index c133476d5b40f8fd3a88a65f5a9ace6dbcb461b5..8368e0511364f334ecb30d38223c594c766faf50 100644
--- a/include/core/SkImageGenerator.h
+++ b/include/core/SkImageGenerator.h
@@ -14,6 +14,9 @@
 class SkBitmap;
 class SkData;
 class SkImageGenerator;
+class SkMatrix;
+class SkPaint;
+class SkPicture;
 
 //#define SK_LEGACY_IMAGE_GENERATOR_ENUMS_AND_OPTIONS
 
@@ -201,6 +204,14 @@ public:
      */
     static SkImageGenerator* NewFromEncoded(SkData*);
 
+    /** Return a new image generator backed by the specified picture.  If the size is empty or
+     *  the picture is NULL, this returns NULL.
+     *  The optional matrix and paint arguments are passed to drawPicture() at rasterization
+     *  time.
+     */
+    static SkImageGenerator* NewFromPicture(const SkISize&, const SkPicture*, const SkMatrix*,
+                                            const SkPaint*);
+
 protected:
     SkImageGenerator(const SkImageInfo& info) : fInfo(info) {}