1 2 /* 3 * Copyright 2010 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 10 11 #ifndef GrClip_DEFINED 12 #define GrClip_DEFINED 13 14 #include "GrRect.h" 15 #include "SkClipStack.h" 16 17 class GrSurface; 18 19 /** 20 * GrClipData encapsulates the information required to construct the clip 21 * masks. 'fOrigin' is only non-zero when saveLayer has been called 22 * with an offset bounding box. The clips in 'fClipStack' are in 23 * device coordinates (i.e., they have been translated by -fOrigin w.r.t. 24 * the canvas' device coordinates). 25 */ 26 class GrClipData : public SkNoncopyable { 27 public: 28 const SkClipStack* fClipStack; 29 SkIPoint fOrigin; 30 31 GrClipData() 32 : fClipStack(NULL) { 33 fOrigin.setZero(); 34 } 35 36 bool operator==(const GrClipData& other) const { 37 if (fOrigin != other.fOrigin) { 38 return false; 39 } 40 41 if (NULL != fClipStack && NULL != other.fClipStack) { 42 return *fClipStack == *other.fClipStack; 43 } 44 45 return fClipStack == other.fClipStack; 46 } 47 48 bool operator!=(const GrClipData& other) const { 49 return !(*this == other); 50 } 51 52 void getConservativeBounds(const GrSurface* surface, 53 GrIRect* devResult, 54 bool* isIntersectionOfRects = NULL) const; 55 }; 56 57 #endif 58
