1/*
2 * Copyright 2006 The Android Open Source Project
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
9#ifndef SkStrokerPriv_DEFINED
10#define SkStrokerPriv_DEFINED
11
12#include "src/core/SkStroke.h"
13
14#define CWX(x, y) (-y)
15#define CWY(x, y) (x)
16#define CCWX(x, y) (y)
17#define CCWY(x, y) (-x)
18
19#define CUBIC_ARC_FACTOR ((SK_ScalarSqrt2 - SK_Scalar1) * 4 / 3)
20
21// this enables a global which is not thread-safe; doing so triggers a TSAN error in Chrome tests.
22#define QUAD_STROKE_APPROX_EXTENDED_DEBUGGING 0 // set to 1 to enable debugging in StrokerTest.cpp
23
24class SkStrokerPriv {
25public:
26 typedef void (*CapProc)(SkPath* path,
27 const SkPoint& pivot,
28 const SkVector& normal,
29 const SkPoint& stop,
30 SkPath* otherPath);
31
32 typedef void (*JoinProc)(SkPath* outer, SkPath* inner,
33 const SkVector& beforeUnitNormal,
34 const SkPoint& pivot,
35 const SkVector& afterUnitNormal,
36 SkScalar radius, SkScalar invMiterLimit,
37 bool prevIsLine, bool currIsLine);
38
39 static CapProc CapFactory(SkPaint::Cap);
40 static JoinProc JoinFactory(SkPaint::Join);
41};
42
43#endif
44