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1 /* | 1 /* |
2 * Copyright 2006 The Android Open Source Project | 2 * Copyright 2006 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 | 8 |
9 #ifndef SkShader_DEFINED | 9 #ifndef SkShader_DEFINED |
10 #define SkShader_DEFINED | 10 #define SkShader_DEFINED |
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31 * to be modified. | 31 * to be modified. |
32 */ | 32 */ |
33 class SK_API SkShader : public SkFlattenable { | 33 class SK_API SkShader : public SkFlattenable { |
34 public: | 34 public: |
35 SK_DECLARE_INST_COUNT(SkShader) | 35 SK_DECLARE_INST_COUNT(SkShader) |
36 | 36 |
37 SkShader(const SkMatrix* localMatrix = NULL); | 37 SkShader(const SkMatrix* localMatrix = NULL); |
38 virtual ~SkShader(); | 38 virtual ~SkShader(); |
39 | 39 |
40 /** | 40 /** |
| 41 * Returns true if the local matrix is not an identity matrix. |
| 42 */ |
| 43 bool hasLocalMatrix() const { return !fLocalMatrix.isIdentity(); } |
| 44 |
| 45 /** |
41 * Returns the local matrix. | 46 * Returns the local matrix. |
42 */ | 47 */ |
43 const SkMatrix& getLocalMatrix() const { return fLocalMatrix; } | 48 const SkMatrix& getLocalMatrix() const { return fLocalMatrix; } |
44 | 49 |
45 #ifdef SK_SUPPORT_LEGACY_SHADER_LOCALMATRIX | |
46 /** | |
47 * Returns true if the local matrix is not an identity matrix. | |
48 */ | |
49 bool hasLocalMatrix() const { return !fLocalMatrix.isIdentity(); } | |
50 | |
51 /** | 50 /** |
52 * Set the shader's local matrix. | 51 * Set the shader's local matrix. |
53 * @param localM The shader's new local matrix. | 52 * @param localM The shader's new local matrix. |
54 */ | 53 */ |
55 void setLocalMatrix(const SkMatrix& localM) { fLocalMatrix = localM; } | 54 void setLocalMatrix(const SkMatrix& localM) { fLocalMatrix = localM; } |
56 | 55 |
57 /** | 56 /** |
58 * Reset the shader's local matrix to identity. | 57 * Reset the shader's local matrix to identity. |
59 */ | 58 */ |
60 void resetLocalMatrix() { fLocalMatrix.reset(); } | 59 void resetLocalMatrix() { fLocalMatrix.reset(); } |
61 #endif | |
62 | 60 |
63 enum TileMode { | 61 enum TileMode { |
64 /** replicate the edge color if the shader draws outside of its | 62 /** replicate the edge color if the shader draws outside of its |
65 * original bounds | 63 * original bounds |
66 */ | 64 */ |
67 kClamp_TileMode, | 65 kClamp_TileMode, |
68 | 66 |
69 /** repeat the shader's image horizontally and vertically */ | 67 /** repeat the shader's image horizontally and vertically */ |
70 kRepeat_TileMode, | 68 kRepeat_TileMode, |
71 | 69 |
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435 */ | 433 */ |
436 virtual Context* onCreateContext(const ContextRec&, void* storage) const; | 434 virtual Context* onCreateContext(const ContextRec&, void* storage) const; |
437 | 435 |
438 private: | 436 private: |
439 SkMatrix fLocalMatrix; | 437 SkMatrix fLocalMatrix; |
440 | 438 |
441 typedef SkFlattenable INHERITED; | 439 typedef SkFlattenable INHERITED; |
442 }; | 440 }; |
443 | 441 |
444 #endif | 442 #endif |
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