| 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 "src/pathops/SkPathOpsPoint.h" |
| 11 | |
| 12 | struct SkDLine { |
| 13 | SkDPoint fPts[2]; |
| 14 | |
| 15 | const SkDPoint& operator[](int n) const { SkASSERT(n >= 0 && n < 2); return fPts[n]; } |
| 16 | SkDPoint& operator[](int n) { SkASSERT(n >= 0 && n < 2); return fPts[n]; } |
| 17 | |
| 18 | const SkDLine& set(const SkPoint pts[2]) { |
| 19 | fPts[0] = pts[0]; |
| 20 | fPts[1] = pts[1]; |
| 21 | return *this; |
| 22 | } |
| 23 | |
| 24 | double exactPoint(const SkDPoint& xy) const; |
| 25 | static double ExactPointH(const SkDPoint& xy, double left, double right, double y); |
| 26 | static double ExactPointV(const SkDPoint& xy, double top, double bottom, double x); |
| 27 | |
| 28 | double nearPoint(const SkDPoint& xy, bool* unequal) const; |
| 29 | bool nearRay(const SkDPoint& xy) const; |
| 30 | static double NearPointH(const SkDPoint& xy, double left, double right, double y); |
| 31 | static double NearPointV(const SkDPoint& xy, double top, double bottom, double x); |
| 32 | SkDPoint ptAtT(double t) const; |
| 33 | |
| 34 | void dump() const; |
| 35 | void dumpID(int ) const; |
| 36 | void dumpInner() const; |
| 37 | }; |
| 38 | |
| 39 | #endif |
| 40 | |