Expand pixelref to return SkImageInfo and rowbytes

src/image/SkDataPixelRef.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkDataPixelRef_DEFINED
 #define SkDataPixelRef_DEFINED
 
 #include "SkPixelRef.h"
 
 class SkData;
 
 class SkDataPixelRef : public SkPixelRef {
 public:
-            SkDataPixelRef(SkData* data);
+            SkDataPixelRef(const SkImageInfo&, SkData* data, size_t rowBytes);
     virtual ~SkDataPixelRef();
 
     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkDataPixelRef)
 
 protected:
-    virtual void* onLockPixels(SkColorTable**) SK_OVERRIDE;
+    virtual void* onLockPixels(SkImageInfo*, size_t* rowBytes,
+                               SkColorTable**) SK_OVERRIDE;
     virtual void onUnlockPixels() SK_OVERRIDE;
 
     SkDataPixelRef(SkFlattenableReadBuffer& buffer);
     virtual void flatten(SkFlattenableWriteBuffer&) const SK_OVERRIDE;
 
 private:
-    SkData* fData;
+    SkImageInfo fInfo;

[scroggo, 2013/11/19 18:17:09]

Can these be const?

[reed1, 2013/11/20 20:56:56]

nope, since they get set late in the unflattening constructor.

+    SkData*     fData;
+    size_t      fRB;
 
     typedef SkPixelRef INHERITED;
 };
 
 #endif