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(uint32_t recordFlags, SkBBoxHierarchy* h, 23 SkBaseDevice*); 24 25 virtual void handleBBox(const SkRect& bounds) SK_OVERRIDE; 26 27 virtual int save(SaveFlags flags = kMatrixClip_SaveFlag) SK_OVERRIDE; 28 virtual int saveLayer(const SkRect* bounds, const SkPaint* paint, 29 SaveFlags flags = kARGB_ClipLayer_SaveFlag) SK_OVERRIDE; 30 virtual void restore() SK_OVERRIDE; 31 32 virtual bool translate(SkScalar dx, SkScalar dy) SK_OVERRIDE; 33 virtual bool scale(SkScalar sx, SkScalar sy) SK_OVERRIDE; 34 virtual bool rotate(SkScalar degrees) SK_OVERRIDE; 35 virtual bool skew(SkScalar sx, SkScalar sy) SK_OVERRIDE; 36 virtual bool concat(const SkMatrix& matrix) SK_OVERRIDE; 37 virtual void setMatrix(const SkMatrix& matrix) SK_OVERRIDE; 38 39 virtual bool clipRect(const SkRect& rect, 40 SkRegion::Op op = SkRegion::kIntersect_Op, 41 bool doAntiAlias = false) SK_OVERRIDE; 42 virtual bool clipRegion(const SkRegion& region, 43 SkRegion::Op op = SkRegion::kIntersect_Op) SK_OVERRIDE; 44 virtual bool clipPath(const SkPath& path, 45 SkRegion::Op op = SkRegion::kIntersect_Op, 46 bool doAntiAlias = false) SK_OVERRIDE; 47 virtual bool clipRRect(const SkRRect& rrect, 48 SkRegion::Op op = SkRegion::kIntersect_Op, 49 bool doAntiAlias = false) SK_OVERRIDE; 50 51 // Implementation of the SkBBoxHierarchyClient interface 52 virtual bool shouldRewind(void* data) SK_OVERRIDE; 53 54 private: 55 typedef SkBBoxRecord INHERITED; 56 }; 57 58 #endif 59
