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

src/core/SkPicture.cpp

 
 /*
  * Copyright 2007 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "SkPictureFlat.h"
@@ skipping 302 matching lines @@
     info.fVersion = PICTURE_VERSION;
     info.fWidth = fWidth;
     info.fHeight = fHeight;
     info.fFlags = SkPictInfo::kCrossProcess_Flag;
 #ifdef SK_SCALAR_IS_FLOAT
     info.fFlags |= SkPictInfo::kScalarIsFloat_Flag;
 #endif
     if (8 == sizeof(void*)) {
         info.fFlags |= SkPictInfo::kPtrIs64Bit_Flag;
     }
+    if (NULL != playback && playback->hasRecordedBounds()) {
+        info.fFlags |= SkPictInfo::kHasRecordedBounds_Flag;
+    }
 
     stream->write(&info, sizeof(info));
     if (playback) {
         stream->writeBool(true);
         playback->serialize(stream, encoder);
         // delete playback if it is a local version (i.e. cons'd up just now)
         if (playback != fPlayback) {
             SkDELETE(playback);
         }
     } else {
         stream->writeBool(false);
     }
 }
 
 #ifdef SK_BUILD_FOR_ANDROID
 void SkPicture::abortPlayback() {
     if (NULL == fPlayback) {
         return;
     }
     fPlayback->abort();
 }
 #endif