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1 /* | 1 /* |
2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 #ifndef SkPathOpsTypes_DEFINED | 7 #ifndef SkPathOpsTypes_DEFINED |
8 #define SkPathOpsTypes_DEFINED | 8 #define SkPathOpsTypes_DEFINED |
9 | 9 |
10 #include <float.h> // for FLT_EPSILON | 10 #include <float.h> // for FLT_EPSILON |
11 #include <math.h> // for fabs, sqrt | 11 #include <math.h> // for fabs, sqrt |
12 | 12 |
13 #include "SkFloatingPoint.h" | 13 #include "SkFloatingPoint.h" |
14 #include "SkPathOps.h" | 14 #include "SkPathOps.h" |
15 #include "SkPathOpsDebug.h" | 15 #include "SkPathOpsDebug.h" |
16 #include "SkScalar.h" | 16 #include "SkScalar.h" |
17 | 17 |
18 // FIXME: move these into SkTypes.h | |
19 template <typename T> inline T SkTMax(T a, T b) { | |
20 if (a < b) | |
21 a = b; | |
22 return a; | |
23 } | |
24 | |
25 template <typename T> inline T SkTMin(T a, T b) { | |
26 if (a > b) | |
27 a = b; | |
28 return a; | |
29 } | |
30 | |
31 // FIXME: move this into SkFloatingPoint.h | |
32 #define sk_double_isnan(a) sk_float_isnan(a) | |
33 | |
34 enum SkPathOpsMask { | 18 enum SkPathOpsMask { |
35 kWinding_PathOpsMask = -1, | 19 kWinding_PathOpsMask = -1, |
36 kNo_PathOpsMask = 0, | 20 kNo_PathOpsMask = 0, |
37 kEvenOdd_PathOpsMask = 1 | 21 kEvenOdd_PathOpsMask = 1 |
38 }; | 22 }; |
39 | 23 |
40 extern bool AlmostEqualUlps(float A, float B); | 24 extern bool AlmostEqualUlps(float A, float B); |
41 inline bool AlmostEqualUlps(double A, double B) { | 25 inline bool AlmostEqualUlps(double A, double B) { |
42 return AlmostEqualUlps(SkDoubleToScalar(A), SkDoubleToScalar(B)); | 26 return AlmostEqualUlps(SkDoubleToScalar(A), SkDoubleToScalar(B)); |
43 } | 27 } |
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222 return (x > 0) + (x >= 0); | 206 return (x > 0) + (x >= 0); |
223 } | 207 } |
224 | 208 |
225 /* Returns 1 if negative, 2 if zero, 4 if positive | 209 /* Returns 1 if negative, 2 if zero, 4 if positive |
226 */ | 210 */ |
227 inline int SkDSideBit(double x) { | 211 inline int SkDSideBit(double x) { |
228 return 1 << SKDSide(x); | 212 return 1 << SKDSide(x); |
229 } | 213 } |
230 | 214 |
231 #endif | 215 #endif |
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