Allow supporting older PICTURE_VERSIONs.

src/core/SkOrderedReadBuffer.h

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkOrderedReadBuffer_DEFINED
 #define SkOrderedReadBuffer_DEFINED
 
 #include "SkRefCnt.h"
 #include "SkBitmapHeap.h"
 #include "SkFlattenableBuffers.h"
 #include "SkPath.h"
 #include "SkPicture.h"
 #include "SkReader32.h"
 
 class SkBitmap;
 
 class SkOrderedReadBuffer : public SkFlattenableReadBuffer {
 public:
     SkOrderedReadBuffer();
     SkOrderedReadBuffer(const void* data, size_t size);
     SkOrderedReadBuffer(SkStream* stream);
     virtual ~SkOrderedReadBuffer();
 
     virtual SkOrderedReadBuffer* getOrderedBinaryBuffer() SK_OVERRIDE { return this; }
 
+    void setPictureVersion(uint32_t version);
+
     SkReader32* getReader32() { return &fReader; }
 
     uint32_t size() { return fReader.size(); }
     uint32_t offset() { return fReader.offset(); }
     bool eof() { return fReader.eof(); }
     const void* skip(size_t size) { return fReader.skip(size); }
 
     // primitives
     virtual bool readBool() SK_OVERRIDE;
     virtual SkColor readColor() SK_OVERRIDE;
@@ skipping 74 matching lines @@
 
     SkBitmapHeapReader* fBitmapStorage;
     SkTypeface** fTFArray;
     int        fTFCount;
 
     SkTDArray<SkFlattenable::Factory>* fFactoryTDArray;
     SkFlattenable::Factory* fFactoryArray;
     int                     fFactoryCount;
 
     SkPicture::InstallPixelRefProc fBitmapDecoder;
+    uint32_t fPictureVersion;
 
     typedef SkFlattenableReadBuffer INHERITED;
 };
 
 #endif // SkOrderedReadBuffer_DEFINED