Try out scalar picture sizes

src/core/SkPictureData.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 SkPictureData_DEFINED
 #define SkPictureData_DEFINED
 
@@ skipping 19 matching lines @@
 
 struct SkPictInfo {
     enum Flags {
         kCrossProcess_Flag      = 1 << 0,
         kScalarIsFloat_Flag     = 1 << 1,
         kPtrIs64Bit_Flag        = 1 << 2,
     };
 
     char        fMagic[8];
     uint32_t    fVersion;
-    uint32_t    fWidth;
-    uint32_t    fHeight;
+    SkRect      fCullRect;
     uint32_t    fFlags;
 };
 
 #define SK_PICT_READER_TAG     SkSetFourByteTag('r', 'e', 'a', 'd')
 #define SK_PICT_FACTORY_TAG    SkSetFourByteTag('f', 'a', 'c', 't')
 #define SK_PICT_TYPEFACE_TAG   SkSetFourByteTag('t', 'p', 'f', 'c')
 #define SK_PICT_PICTURE_TAG    SkSetFourByteTag('p', 'c', 't', 'r')
 
 // This tag specifies the size of the ReadBuffer, needed for the following tags
 #define SK_PICT_BUFFER_SIZE_TAG     SkSetFourByteTag('a', 'r', 'a', 'y')
@@ skipping 152 matching lines @@
 
     const SkPictInfo fInfo;
 
     static void WriteFactories(SkWStream* stream, const SkFactorySet& rec);
     static void WriteTypefaces(SkWStream* stream, const SkRefCntSet& rec);
 
     void initForPlayback() const;
 };
 
 #endif