1 /* 2 * Copyright 2012 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 #ifndef SkPathOpsLine_DEFINED 8 #define SkPathOpsLine_DEFINED 9 10 #include "include/core/SkPoint.h" 11 #include "include/core/SkTypes.h" 12 #include "src/pathops/SkPathOpsPoint.h" 13 14 struct SkDLine { 15 SkDPoint fPts[2]; 16 17 const SkDPoint& operator[](int n) const { SkASSERT(n >= 0 && n < 2); return fPts[n]; } 18 SkDPoint& operator[](int n) { SkASSERT(n >= 0 && n < 2); return fPts[n]; } 19 setSkDLine20 const SkDLine& set(const SkPoint pts[2]) { 21 fPts[0] = pts[0]; 22 fPts[1] = pts[1]; 23 return *this; 24 } 25 26 double exactPoint(const SkDPoint& xy) const; 27 static double ExactPointH(const SkDPoint& xy, double left, double right, double y); 28 static double ExactPointV(const SkDPoint& xy, double top, double bottom, double x); 29 30 double nearPoint(const SkDPoint& xy, bool* unequal) const; 31 bool nearRay(const SkDPoint& xy) const; 32 static double NearPointH(const SkDPoint& xy, double left, double right, double y); 33 static double NearPointV(const SkDPoint& xy, double top, double bottom, double x); 34 SkDPoint ptAtT(double t) const; 35 36 void dump() const; 37 void dumpID(int ) const; 38 void dumpInner() const; 39 }; 40 41 #endif 42