option to return drawable from recording

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 301 matching lines @@
 ///////////////////////////////////////////////////////////////////////////////
 
 void SkPicture::playback(SkCanvas* canvas, SkDrawPictureCallback* callback) const {
     SkASSERT(canvas);
 
     // If the query contains the whole picture, don't bother with the BBH.
     SkRect clipBounds = { 0, 0, 0, 0 };
     (void)canvas->getClipBounds(&clipBounds);
     const bool useBBH = !clipBounds.contains(this->cullRect());
 
-    SkRecordDraw(*fRecord, canvas, this->drawablePicts(), this->drawableCount(),
+    SkRecordDraw(*fRecord, canvas, this->drawablePicts(), NULL, this->drawableCount(),
                  useBBH ? fBBH.get() : NULL, callback);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 #include "SkStream.h"
 
 static const char kMagic[] = { 's', 'k', 'i', 'a', 'p', 'i', 'c', 't' };
 
 bool SkPicture::IsValidPictInfo(const SkPictInfo& info) {
@@ skipping 134 matching lines @@
     if (8 == sizeof(void*)) {
         info->fFlags |= SkPictInfo::kPtrIs64Bit_Flag;
     }
 }
 
 // This for compatibility with serialization code only.  This is not cheap.
 SkPictureData* SkPicture::Backport(const SkRecord& src, const SkPictInfo& info,
                                    SkPicture const* const drawablePicts[], int drawableCount) {
     SkPictureRecord rec(SkISize::Make(info.fCullRect.width(), info.fCullRect.height()), 0/*flags*/);
     rec.beginRecording();
-        SkRecordDraw(src, &rec, drawablePicts, drawableCount, NULL/*bbh*/, NULL/*callback*/);
+        SkRecordDraw(src, &rec, drawablePicts, NULL, drawableCount, NULL/*bbh*/, NULL/*callback*/);
     rec.endRecording();
     return SkNEW_ARGS(SkPictureData, (rec, info, false/*deep copy ops?*/));
 }
 
 void SkPicture::serialize(SkWStream* stream, EncodeBitmap encoder) const {
     SkPictInfo info;
     this->createHeader(&info);
     SkAutoTDelete<SkPictureData> data(Backport(*fRecord, info, this->drawablePicts(),
                                                this->drawableCount()));
 
@@ skipping 31 matching lines @@
 #endif
 
 bool SkPicture::hasText()             const { return fAnalysis.fHasText; }
 bool SkPicture::willPlayBackBitmaps() const { return fAnalysis.fWillPlaybackBitmaps; }
 int  SkPicture::approximateOpCount()  const { return fRecord->count(); }
 
 SkPicture::SkPicture(const SkRect& cullRect, SkRecord* record, SnapshotArray* drawablePicts,
                      SkBBoxHierarchy* bbh)
     : fUniqueID(next_picture_generation_id())
     , fCullRect(cullRect)
-    , fRecord(record)
+    , fRecord(SkRef(record))
     , fBBH(SkSafeRef(bbh))
-    , fDrawablePicts(drawablePicts)
+    , fDrawablePicts(drawablePicts)     // take ownership
     , fAnalysis(*fRecord)
 {}