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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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| 469 * | 469 * |
| 470 * Note: the returned shader (if not NULL) will have been ref'd, and it is
the responsibility | 470 * Note: the returned shader (if not NULL) will have been ref'd, and it is
the responsibility |
| 471 * of the caller to balance that with unref() when they are done. | 471 * of the caller to balance that with unref() when they are done. |
| 472 */ | 472 */ |
| 473 virtual SkShader* refAsALocalMatrixShader(SkMatrix* localMatrix) const; | 473 virtual SkShader* refAsALocalMatrixShader(SkMatrix* localMatrix) const; |
| 474 | 474 |
| 475 SK_TO_STRING_VIRT() | 475 SK_TO_STRING_VIRT() |
| 476 SK_DEFINE_FLATTENABLE_TYPE(SkShader) | 476 SK_DEFINE_FLATTENABLE_TYPE(SkShader) |
| 477 | 477 |
| 478 protected: | 478 protected: |
| 479 void flatten(SkWriteBuffer&) const SK_OVERRIDE; | 479 void flatten(SkWriteBuffer&) const override; |
| 480 | 480 |
| 481 bool computeTotalInverse(const ContextRec&, SkMatrix* totalInverse) const; | 481 bool computeTotalInverse(const ContextRec&, SkMatrix* totalInverse) const; |
| 482 | 482 |
| 483 /** | 483 /** |
| 484 * Your subclass must also override contextSize() if it overrides onCreateC
ontext(). | 484 * Your subclass must also override contextSize() if it overrides onCreateC
ontext(). |
| 485 * Base class impl returns NULL. | 485 * Base class impl returns NULL. |
| 486 */ | 486 */ |
| 487 virtual Context* onCreateContext(const ContextRec&, void* storage) const; | 487 virtual Context* onCreateContext(const ContextRec&, void* storage) const; |
| 488 | 488 |
| 489 virtual bool onAsLuminanceColor(SkColor*) const { | 489 virtual bool onAsLuminanceColor(SkColor*) const { |
| 490 return false; | 490 return false; |
| 491 } | 491 } |
| 492 private: | 492 private: |
| 493 // This is essentially const, but not officially so it can be modified in | 493 // This is essentially const, but not officially so it can be modified in |
| 494 // constructors. | 494 // constructors. |
| 495 SkMatrix fLocalMatrix; | 495 SkMatrix fLocalMatrix; |
| 496 | 496 |
| 497 // So the SkLocalMatrixShader can whack fLocalMatrix in its SkReadBuffer con
structor. | 497 // So the SkLocalMatrixShader can whack fLocalMatrix in its SkReadBuffer con
structor. |
| 498 friend class SkLocalMatrixShader; | 498 friend class SkLocalMatrixShader; |
| 499 | 499 |
| 500 typedef SkFlattenable INHERITED; | 500 typedef SkFlattenable INHERITED; |
| 501 }; | 501 }; |
| 502 | 502 |
| 503 #endif | 503 #endif |
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