Adding option in SkPicture to record device-space bounds of draw commands.

src/core/SkPicturePlayback.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 SkPicturePlayback_DEFINED
 #define SkPicturePlayback_DEFINED
 
@@ skipping 19 matching lines @@
 class SkStream;
 class SkWStream;
 class SkBBoxHierarchy;
 class SkPictureStateTree;
 
 struct SkPictInfo {
     enum Flags {
         kCrossProcess_Flag      = 1 << 0,
         kScalarIsFloat_Flag     = 1 << 1,
         kPtrIs64Bit_Flag        = 1 << 2,
+        kHasRecordedBounds_Flag = 1 << 3,
     };
 
     uint32_t    fVersion;
     uint32_t    fWidth;
     uint32_t    fHeight;
     uint32_t    fFlags;
 };
 
 /**
  * Container for data that is needed to deep copy a SkPicture. The container
@@ skipping 15 matching lines @@
     SkPicturePlayback(SkStream*, const SkPictInfo&, SkPicture::InstallPixelRefProc);
 
     virtual ~SkPicturePlayback();
 
     void draw(SkCanvas& canvas);
 
     void serialize(SkWStream*, SkPicture::EncodeBitmap) const;
 
     void dumpSize() const;
 
+    bool hasRecordedBounds() const { return fHasRecordedBounds; }
+
 #ifdef SK_BUILD_FOR_ANDROID
     // Can be called in the middle of playback (the draw() call). WIll abort the
     // drawing and return from draw() after the "current" op code is done
     void abort() { fAbortCurrentPlayback = true; }
 #endif
 
 protected:
 #ifdef SK_DEVELOPER
     virtual size_t preDraw(size_t offset, int type);
     virtual void postDraw(size_t offset);
@@ skipping 127 matching lines @@
     SkData* fOpData;    // opcodes and parameters
 
     SkPicture** fPictureRefs;
     int fPictureCount;
 
     SkBBoxHierarchy* fBoundingHierarchy;
     SkPictureStateTree* fStateTree;
 
     SkTypefacePlayback fTFPlayback;
     SkFactoryPlayback* fFactoryPlayback;
+
+    bool fHasRecordedBounds;
 #ifdef SK_BUILD_FOR_ANDROID
     SkMutex fDrawMutex;
     bool fAbortCurrentPlayback;
 #endif
 };
 
 #endif