1 /* 2 * Copyright 2018 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #ifndef SkPathOpsTCurve_DEFINED 9 #define SkPathOpsTCurve_DEFINED 10 11 #include "src/pathops/SkPathOpsPoint.h" 12 13 class SkArenaAlloc; 14 class SkIntersections; 15 struct SkDRect; 16 17 class SkTCurve { 18 public: ~SkTCurve()19 virtual ~SkTCurve() {} 20 virtual const SkDPoint& operator[](int n) const = 0; 21 virtual SkDPoint& operator[](int n) = 0; 22 23 virtual bool collapsed() const = 0; 24 virtual bool controlsInside() const = 0; 25 virtual void debugInit() = 0; 26 #if DEBUG_T_SECT 27 virtual void dumpID(int id) const = 0; 28 #endif 29 virtual SkDVector dxdyAtT(double t) const = 0; 30 virtual bool hullIntersects(const SkDQuad& , bool* isLinear) const = 0; 31 virtual bool hullIntersects(const SkDConic& , bool* isLinear) const = 0; 32 virtual bool hullIntersects(const SkDCubic& , bool* isLinear) const = 0; 33 virtual bool hullIntersects(const SkTCurve& , bool* isLinear) const = 0; 34 virtual int intersectRay(SkIntersections* i, const SkDLine& line) const = 0; 35 virtual bool IsConic() const = 0; 36 virtual SkTCurve* make(SkArenaAlloc& ) const = 0; 37 virtual int maxIntersections() const = 0; 38 virtual void otherPts(int oddMan, const SkDPoint* endPt[2]) const = 0; 39 virtual int pointCount() const = 0; 40 virtual int pointLast() const = 0; 41 virtual SkDPoint ptAtT(double t) const = 0; 42 virtual void setBounds(SkDRect* ) const = 0; 43 virtual void subDivide(double t1, double t2, SkTCurve* curve) const = 0; 44 #ifdef SK_DEBUG 45 virtual SkOpGlobalState* globalState() const = 0; 46 #endif 47 }; 48 49 #endif 50