blob: 34bb6587d34d2d6cac674a4cf6cbaad90f04c3ae (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkPathOpsLine_DEFINED
#define SkPathOpsLine_DEFINED
#include "SkPathOpsPoint.h"
struct SkDLine {
SkDPoint fPts[2];
void set(const SkPoint pts[2]) {
fPts[0] = pts[0];
fPts[1] = pts[1];
}
const SkDPoint& operator[](int n) const { SkASSERT(n >= 0 && n < 2); return fPts[n]; }
SkDPoint& operator[](int n) { SkASSERT(n >= 0 && n < 2); return fPts[n]; }
double isLeft(const SkDPoint& pt) const;
SkDLine subDivide(double t1, double t2) const;
static SkDLine SubDivide(const SkPoint a[2], double t1, double t2) {
SkDLine line;
line.set(a);
return line.subDivide(t1, t2);
}
SkDPoint xyAtT(double t) const;
private:
SkDVector tangent() const { return fPts[0] - fPts[1]; }
};
#endif
|
