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
12struct 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