1 2 /* 3 * Copyright 2012 Google Inc. 4 * 5 * Use of this source code is governed by a BSD-style license that can be 6 * found in the LICENSE file. 7 */ 8 9 #ifndef SkRTreeCanvas_DEFINED 10 #define SkRTreeCanvas_DEFINED 11 12 #include "SkBBoxHierarchy.h" 13 #include "SkBBoxRecord.h" 14 15 /** 16 * This records bounding box information into an SkBBoxHierarchy, and clip/transform information 17 * into an SkPictureStateTree to allow for efficient culling and correct playback of draws. 18 */ 19 class SkBBoxHierarchyRecord : public SkBBoxRecord, public SkBBoxHierarchyClient { 20 public: 21 /** This will take a ref of h */ 22 SkBBoxHierarchyRecord(const SkISize& size, uint32_t recordFlags, SkBBoxHierarchy* h); 23 24 virtual void handleBBox(const SkRect& bounds) SK_OVERRIDE; 25 26 // Implementation of the SkBBoxHierarchyClient interface 27 virtual bool shouldRewind(void* data) SK_OVERRIDE; 28 29 protected: 30 virtual void willSave(SaveFlags) SK_OVERRIDE; 31 virtual SaveLayerStrategy willSaveLayer(const SkRect*, const SkPaint*, SaveFlags) SK_OVERRIDE; 32 virtual void willRestore() SK_OVERRIDE; 33 34 virtual void didConcat(const SkMatrix&) SK_OVERRIDE; 35 virtual void didSetMatrix(const SkMatrix&) SK_OVERRIDE; 36 37 virtual void onClipRect(const SkRect&, SkRegion::Op, ClipEdgeStyle) SK_OVERRIDE; 38 virtual void onClipRRect(const SkRRect&, SkRegion::Op, ClipEdgeStyle) SK_OVERRIDE; 39 virtual void onClipPath(const SkPath&, SkRegion::Op, ClipEdgeStyle) SK_OVERRIDE; 40 virtual void onClipRegion(const SkRegion&, SkRegion::Op) SK_OVERRIDE; 41 42 private: 43 typedef SkBBoxRecord INHERITED; 44 }; 45 46 #endif 47
