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1 /* | 1 /* |
2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 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 | 7 |
8 #ifndef GrTestUtils_DEFINED | 8 #ifndef GrTestUtils_DEFINED |
9 #define GrTestUtils_DEFINED | 9 #define GrTestUtils_DEFINED |
10 | 10 |
11 #include "SkTypes.h" | 11 #include "SkTypes.h" |
12 | 12 |
13 #ifdef GR_TEST_UTILS | 13 #ifdef GR_TEST_UTILS |
14 | 14 |
15 #include "GrColor.h" | 15 #include "GrColor.h" |
16 #include "SkRandom.h" | 16 #include "SkRandom.h" |
17 | 17 |
18 class SkMatrix; | 18 class SkMatrix; |
19 struct SkRect; | 19 struct SkRect; |
20 | 20 |
21 namespace GrTest { | 21 namespace GrTest { |
22 /** | 22 /** |
23 * A helper for use in Test functions. | 23 * A helper for use in Test functions. |
24 */ | 24 */ |
25 const SkMatrix& TestMatrix(SkRandom*); | 25 const SkMatrix& TestMatrix(SkRandom*); |
| 26 const SkMatrix& TestMatrixPreservesRightAngles(SkRandom*); |
26 const SkRect& TestRect(SkRandom*); | 27 const SkRect& TestRect(SkRandom*); |
27 | 28 |
28 } | 29 } |
29 | 30 |
30 static inline GrColor GrRandomColor(SkRandom* random) { | 31 static inline GrColor GrRandomColor(SkRandom* random) { |
31 // There are only a few cases of random colors which interest us | 32 // There are only a few cases of random colors which interest us |
32 enum ColorMode { | 33 enum ColorMode { |
33 kAllOnes_ColorMode, | 34 kAllOnes_ColorMode, |
34 kAllZeros_ColorMode, | 35 kAllZeros_ColorMode, |
35 kAlphaOne_ColorMode, | 36 kAlphaOne_ColorMode, |
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83 break; | 84 break; |
84 case kRandom_CoverageMode: | 85 case kRandom_CoverageMode: |
85 coverage = random->nextULessThan(256); | 86 coverage = random->nextULessThan(256); |
86 break; | 87 break; |
87 } | 88 } |
88 return coverage; | 89 return coverage; |
89 } | 90 } |
90 | 91 |
91 #endif | 92 #endif |
92 #endif | 93 #endif |
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