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1 /* | 1 /* |
2 * Copyright 2007 The Android Open Source Project | 2 * Copyright 2007 The Android Open Source Project |
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 SkColorMatrix_DEFINED | 8 #ifndef SkColorMatrix_DEFINED |
9 #define SkColorMatrix_DEFINED | 9 #define SkColorMatrix_DEFINED |
10 | 10 |
11 #include "SkScalar.h" | 11 #include "SkScalar.h" |
12 | 12 |
13 class SK_API SkColorMatrix { | 13 class SK_API SkColorMatrix { |
14 public: | 14 public: |
15 enum { | 15 SkScalar fMat[20]; |
16 kCount = 20 | |
17 }; | |
18 SkScalar fMat[kCount]; | |
19 | 16 |
20 enum Elem { | 17 enum Elem { |
21 kR_Scale = 0, | 18 kR_Scale = 0, |
22 kG_Scale = 6, | 19 kG_Scale = 6, |
23 kB_Scale = 12, | 20 kB_Scale = 12, |
24 kA_Scale = 18, | 21 kA_Scale = 18, |
25 | 22 |
26 kR_Trans = 4, | 23 kR_Trans = 4, |
27 kG_Trans = 9, | 24 kG_Trans = 9, |
28 kB_Trans = 14, | 25 kB_Trans = 14, |
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61 return 0 == memcmp(fMat, other.fMat, sizeof(fMat)); | 58 return 0 == memcmp(fMat, other.fMat, sizeof(fMat)); |
62 } | 59 } |
63 | 60 |
64 bool operator!=(const SkColorMatrix& other) const { return !((*this) == othe
r); } | 61 bool operator!=(const SkColorMatrix& other) const { return !((*this) == othe
r); } |
65 | 62 |
66 static bool NeedsClamping(const SkScalar[20]); | 63 static bool NeedsClamping(const SkScalar[20]); |
67 static void SetConcat(SkScalar result[20], const SkScalar outer[20], const S
kScalar inner[20]); | 64 static void SetConcat(SkScalar result[20], const SkScalar outer[20], const S
kScalar inner[20]); |
68 }; | 65 }; |
69 | 66 |
70 #endif | 67 #endif |
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