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 "SkBBoxRecord.h" 13 14 /** 15 * This records bounding box information into an SkBBoxHierarchy, and clip/transform information 16 * into an SkPictureStateTree to allow for efficient culling and correct playback of draws. 17 */ 18 class SkBBoxHierarchyRecord : public SkBBoxRecord { 19 public: 20 /** This will take a ref of h */ 21 SkBBoxHierarchyRecord(uint32_t recordFlags, SkBBoxHierarchy* h, 22 SkDevice*); 23 24 virtual void handleBBox(const SkRect& bounds) SK_OVERRIDE; 25 26 virtual int save(SaveFlags flags = kMatrixClip_SaveFlag) SK_OVERRIDE; 27 virtual int saveLayer(const SkRect* bounds, const SkPaint* paint, 28 SaveFlags flags = kARGB_ClipLayer_SaveFlag) SK_OVERRIDE; 29 virtual void restore() SK_OVERRIDE; 30 31 virtual bool translate(SkScalar dx, SkScalar dy) SK_OVERRIDE; 32 virtual bool scale(SkScalar sx, SkScalar sy) SK_OVERRIDE; 33 virtual bool rotate(SkScalar degrees) SK_OVERRIDE; 34 virtual bool skew(SkScalar sx, SkScalar sy) SK_OVERRIDE; 35 virtual bool concat(const SkMatrix& matrix) SK_OVERRIDE; 36 virtual void setMatrix(const SkMatrix& matrix) SK_OVERRIDE; 37 38 virtual bool clipRect(const SkRect& rect, 39 SkRegion::Op op = SkRegion::kIntersect_Op, 40 bool doAntiAlias = false) SK_OVERRIDE; 41 virtual bool clipRegion(const SkRegion& region, 42 SkRegion::Op op = SkRegion::kIntersect_Op) SK_OVERRIDE; 43 virtual bool clipPath(const SkPath& path, 44 SkRegion::Op op = SkRegion::kIntersect_Op, 45 bool doAntiAlias = false) SK_OVERRIDE; 46 virtual bool clipRRect(const SkRRect& rrect, 47 SkRegion::Op op = SkRegion::kIntersect_Op, 48 bool doAntiAlias = false) SK_OVERRIDE; 49 50 private: 51 typedef SkBBoxRecord INHERITED; 52 }; 53 54 #endif 55