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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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472 * | 472 * |
473 * Note: the returned shader (if not NULL) will have been ref'd, and it is
the responsibility | 473 * Note: the returned shader (if not NULL) will have been ref'd, and it is
the responsibility |
474 * of the caller to balance that with unref() when they are done. | 474 * of the caller to balance that with unref() when they are done. |
475 */ | 475 */ |
476 virtual SkShader* refAsALocalMatrixShader(SkMatrix* localMatrix) const; | 476 virtual SkShader* refAsALocalMatrixShader(SkMatrix* localMatrix) const; |
477 | 477 |
478 SK_TO_STRING_VIRT() | 478 SK_TO_STRING_VIRT() |
479 SK_DEFINE_FLATTENABLE_TYPE(SkShader) | 479 SK_DEFINE_FLATTENABLE_TYPE(SkShader) |
480 | 480 |
481 protected: | 481 protected: |
482 #ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING | |
483 SkShader(SkReadBuffer& ); | |
484 #endif | |
485 virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE; | 482 virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE; |
486 | 483 |
487 bool computeTotalInverse(const ContextRec&, SkMatrix* totalInverse) const; | 484 bool computeTotalInverse(const ContextRec&, SkMatrix* totalInverse) const; |
488 | 485 |
489 /** | 486 /** |
490 * Your subclass must also override contextSize() if it overrides onCreateC
ontext(). | 487 * Your subclass must also override contextSize() if it overrides onCreateC
ontext(). |
491 * Base class impl returns NULL. | 488 * Base class impl returns NULL. |
492 */ | 489 */ |
493 virtual Context* onCreateContext(const ContextRec&, void* storage) const; | 490 virtual Context* onCreateContext(const ContextRec&, void* storage) const; |
494 | 491 |
495 virtual bool onAsLuminanceColor(SkColor*) const { | 492 virtual bool onAsLuminanceColor(SkColor*) const { |
496 return false; | 493 return false; |
497 } | 494 } |
498 private: | 495 private: |
499 // This is essentially const, but not officially so it can be modified in | 496 // This is essentially const, but not officially so it can be modified in |
500 // constructors. | 497 // constructors. |
501 SkMatrix fLocalMatrix; | 498 SkMatrix fLocalMatrix; |
502 | 499 |
503 // So the SkLocalMatrixShader can whack fLocalMatrix in its SkReadBuffer con
structor. | 500 // So the SkLocalMatrixShader can whack fLocalMatrix in its SkReadBuffer con
structor. |
504 friend class SkLocalMatrixShader; | 501 friend class SkLocalMatrixShader; |
505 | 502 |
506 typedef SkFlattenable INHERITED; | 503 typedef SkFlattenable INHERITED; |
507 }; | 504 }; |
508 | 505 |
509 #endif | 506 #endif |
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