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 virtual ~SkBBoxHierarchyRecord() { }; 24 25 virtual void handleBBox(const SkRect& bounds) SK_OVERRIDE; 26 27 // Implementation of the SkBBoxHierarchyClient interface 28 virtual bool shouldRewind(void* data) SK_OVERRIDE; 29 30 protected: 31 virtual void willSave() SK_OVERRIDE; 32 virtual SaveLayerStrategy willSaveLayer(const SkRect*, const SkPaint*, SaveFlags) SK_OVERRIDE; 33 virtual void willRestore() SK_OVERRIDE; 34 35 virtual void didConcat(const SkMatrix&) SK_OVERRIDE; 36 virtual void didSetMatrix(const SkMatrix&) SK_OVERRIDE; 37 38 virtual void onClipRect(const SkRect&, SkRegion::Op, ClipEdgeStyle) SK_OVERRIDE; 39 virtual void onClipRRect(const SkRRect&, SkRegion::Op, ClipEdgeStyle) SK_OVERRIDE; 40 virtual void onClipPath(const SkPath&, SkRegion::Op, ClipEdgeStyle) SK_OVERRIDE; 41 virtual void onClipRegion(const SkRegion&, SkRegion::Op) SK_OVERRIDE; 42 43 private: 44 typedef SkBBoxRecord INHERITED; 45 }; 46 47 #endif 48
