Sketch splitting SkPicture into an interface and SkBigPicture.

src/core/SkRecorder.h

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkRecorder_DEFINED
 #define SkRecorder_DEFINED
 
+#include "SkBigPicture.h"
 #include "SkCanvas.h"
+#include "SkMiniRecorder.h"
 #include "SkRecord.h"
 #include "SkRecords.h"
 #include "SkTDArray.h"
 
 class SkBBHFactory;
 
 class SkDrawableList : SkNoncopyable {
 public:
     ~SkDrawableList();
 
     int count() const { return fArray.count(); }
     SkDrawable* const* begin() const { return fArray.begin(); }
 
     void append(SkDrawable* drawable);
 
     // Return a new or ref'd array of pictures that were snapped from our drawables.
-    SkPicture::SnapshotArray* newDrawableSnapshot();
+    SkBigPicture::SnapshotArray* newDrawableSnapshot();
 
 private:
     SkTDArray<SkDrawable*> fArray;
 };
 
 // SkRecorder provides an SkCanvas interface for recording into an SkRecord.
 
 class SkRecorder : public SkCanvas {
 public:
     // Does not take ownership of the SkRecord.
-    SkRecorder(SkRecord*, int width, int height);   // legacy version
-    SkRecorder(SkRecord*, const SkRect& bounds);
+    SkRecorder(SkRecord*, int width, int height, SkMiniRecorder* = nullptr);   // legacy version
+    SkRecorder(SkRecord*, const SkRect& bounds, SkMiniRecorder* = nullptr);
 
-    void reset(SkRecord*, const SkRect& bounds);
+    void reset(SkRecord*, const SkRect& bounds, SkMiniRecorder* = nullptr);
 
     size_t approxBytesUsedBySubPictures() const { return fApproxBytesUsedBySubPictures; }
 
     SkDrawableList* getDrawableList() const { return fDrawableList.get(); }
     SkDrawableList* detachDrawableList() { return fDrawableList.detach(); }
 
     // Make SkRecorder forget entirely about its SkRecord*; all calls to SkRecorder will fail.
     void forgetRecord();
 
     void willSave() override;
@@ skipping 60 matching lines @@
     void onClipRegion(const SkRegion& deviceRgn, SkRegion::Op op) override;
 
     void onDrawPicture(const SkPicture*, const SkMatrix*, const SkPaint*) override;
 
     void beginCommentGroup(const char*) override;
     void addComment(const char*, const char*) override;
     void endCommentGroup() override;
 
     SkSurface* onNewSurface(const SkImageInfo&, const SkSurfaceProps&) override { return NULL; }
 
+    void flushMiniRecorder();
+
 private:
     template <typename T>
     T* copy(const T*);
 
     template <typename T>
     T* copy(const T[], size_t count);
 
     SkIRect devBounds() const {
         SkIRect devBounds;
         this->getClipDeviceBounds(&devBounds);
         return devBounds;
     }
 
     size_t fApproxBytesUsedBySubPictures;
     SkRecord* fRecord;
     SkAutoTDelete<SkDrawableList> fDrawableList;
+
+    SkMiniRecorder* fMiniRecorder;
 };
 
 #endif//SkRecorder_DEFINED