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1 /* libs/graphics/sgl/SkStrokerPriv.h | |
2 ** | |
3 ** Copyright 2006, The Android Open Source Project | |
4 ** | |
5 ** Licensed under the Apache License, Version 2.0 (the "License"); | |
6 ** you may not use this file except in compliance with the License. | |
7 ** You may obtain a copy of the License at | |
8 ** | |
9 ** http://www.apache.org/licenses/LICENSE-2.0 | |
10 ** | |
11 ** Unless required by applicable law or agreed to in writing, software | |
12 ** distributed under the License is distributed on an "AS IS" BASIS, | |
13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
14 ** See the License for the specific language governing permissions and | |
15 ** limitations under the License. | |
16 */ | |
17 | |
18 #ifndef SkStrokerPriv_DEFINED | |
19 #define SkStrokerPriv_DEFINED | |
20 | |
21 #include "SkStroke.h" | |
22 | |
23 #define CWX(x, y) (-y) | |
24 #define CWY(x, y) (x) | |
25 #define CCWX(x, y) (y) | |
26 #define CCWY(x, y) (-x) | |
27 | |
28 #define CUBIC_ARC_FACTOR ((SK_ScalarSqrt2 - SK_Scalar1) * 4 / 3) | |
29 | |
30 class SkStrokerPriv { | |
31 public: | |
32 typedef void (*CapProc)(SkPath* path, | |
33 const SkPoint& pivot, | |
34 const SkVector& normal, | |
35 const SkPoint& stop, | |
36 SkPath* otherPath); | |
37 | |
38 typedef void (*JoinProc)(SkPath* outer, SkPath* inner, | |
39 const SkVector& beforeUnitNormal, | |
40 const SkPoint& pivot, | |
41 const SkVector& afterUnitNormal, | |
42 SkScalar radius, SkScalar invMiterLimit, | |
43 bool prevIsLine, bool currIsLine); | |
44 | |
45 static CapProc CapFactory(SkPaint::Cap); | |
46 static JoinProc JoinFactory(SkPaint::Join); | |
47 }; | |
48 | |
49 #endif | |
50 | |
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