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1 /* | 1 /* |
2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 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 #include "SkLinearGradient.h" | 8 #include "SkLinearGradient.h" |
9 | 9 |
10 static inline int repeat_bits(int x, const int bits) { | 10 static inline int repeat_bits(int x, const int bits) { |
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76 this->INHERITED::flatten(buffer); | 76 this->INHERITED::flatten(buffer); |
77 buffer.writePoint(fStart); | 77 buffer.writePoint(fStart); |
78 buffer.writePoint(fEnd); | 78 buffer.writePoint(fEnd); |
79 } | 79 } |
80 | 80 |
81 size_t SkLinearGradient::contextSize() const { | 81 size_t SkLinearGradient::contextSize() const { |
82 return sizeof(LinearGradientContext); | 82 return sizeof(LinearGradientContext); |
83 } | 83 } |
84 | 84 |
85 SkShader::Context* SkLinearGradient::onCreateContext(const ContextRec& rec, void
* storage) const { | 85 SkShader::Context* SkLinearGradient::onCreateContext(const ContextRec& rec, void
* storage) const { |
86 return SkNEW_PLACEMENT_ARGS(storage, LinearGradientContext, (*this, rec)); | 86 return new (storage) LinearGradientContext(*this, rec); |
87 } | 87 } |
88 | 88 |
89 SkLinearGradient::LinearGradientContext::LinearGradientContext( | 89 SkLinearGradient::LinearGradientContext::LinearGradientContext( |
90 const SkLinearGradient& shader, const ContextRec& rec) | 90 const SkLinearGradient& shader, const ContextRec& rec) |
91 : INHERITED(shader, rec) | 91 : INHERITED(shader, rec) |
92 { | 92 { |
93 unsigned mask = SkMatrix::kTranslate_Mask | SkMatrix::kScale_Mask; | 93 unsigned mask = SkMatrix::kTranslate_Mask | SkMatrix::kScale_Mask; |
94 if ((fDstToIndex.getType() & ~mask) == 0) { | 94 if ((fDstToIndex.getType() & ~mask) == 0) { |
95 // when we dither, we are (usually) not const-in-Y | 95 // when we dither, we are (usually) not const-in-Y |
96 if ((fFlags & SkShader::kHasSpan16_Flag) && !rec.fPaint->isDither()) { | 96 if ((fFlags & SkShader::kHasSpan16_Flag) && !rec.fPaint->isDither()) { |
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465 ///////////////////////////////////////////////////////////////////// | 465 ///////////////////////////////////////////////////////////////////// |
466 | 466 |
467 class GrLinearGradient : public GrGradientEffect { | 467 class GrLinearGradient : public GrGradientEffect { |
468 public: | 468 public: |
469 | 469 |
470 static GrFragmentProcessor* Create(GrContext* ctx, | 470 static GrFragmentProcessor* Create(GrContext* ctx, |
471 GrProcessorDataManager* procDataManager, | 471 GrProcessorDataManager* procDataManager, |
472 const SkLinearGradient& shader, | 472 const SkLinearGradient& shader, |
473 const SkMatrix& matrix, | 473 const SkMatrix& matrix, |
474 SkShader::TileMode tm) { | 474 SkShader::TileMode tm) { |
475 return SkNEW_ARGS(GrLinearGradient, (ctx, procDataManager, shader, matri
x, tm)); | 475 return new GrLinearGradient(ctx, procDataManager, shader, matrix, tm); |
476 } | 476 } |
477 | 477 |
478 virtual ~GrLinearGradient() { } | 478 virtual ~GrLinearGradient() { } |
479 | 479 |
480 const char* name() const override { return "Linear Gradient"; } | 480 const char* name() const override { return "Linear Gradient"; } |
481 | 481 |
482 private: | 482 private: |
483 GrLinearGradient(GrContext* ctx, | 483 GrLinearGradient(GrContext* ctx, |
484 GrProcessorDataManager* procDataManager, | 484 GrProcessorDataManager* procDataManager, |
485 const SkLinearGradient& shader, | 485 const SkLinearGradient& shader, |
486 const SkMatrix& matrix, | 486 const SkMatrix& matrix, |
487 SkShader::TileMode tm) | 487 SkShader::TileMode tm) |
488 : INHERITED(ctx, procDataManager, shader, matrix, tm) { | 488 : INHERITED(ctx, procDataManager, shader, matrix, tm) { |
489 this->initClassID<GrLinearGradient>(); | 489 this->initClassID<GrLinearGradient>(); |
490 } | 490 } |
491 | 491 |
492 GrGLFragmentProcessor* onCreateGLInstance() const override { | 492 GrGLFragmentProcessor* onCreateGLInstance() const override { |
493 return SkNEW_ARGS(GrGLLinearGradient, (*this)); | 493 return new GrGLLinearGradient(*this); |
494 } | 494 } |
495 | 495 |
496 virtual void onGetGLProcessorKey(const GrGLSLCaps& caps, | 496 virtual void onGetGLProcessorKey(const GrGLSLCaps& caps, |
497 GrProcessorKeyBuilder* b) const override { | 497 GrProcessorKeyBuilder* b) const override { |
498 GrGLLinearGradient::GenKey(*this, caps, b); | 498 GrGLLinearGradient::GenKey(*this, caps, b); |
499 } | 499 } |
500 | 500 |
501 GR_DECLARE_FRAGMENT_PROCESSOR_TEST; | 501 GR_DECLARE_FRAGMENT_PROCESSOR_TEST; |
502 | 502 |
503 typedef GrGradientEffect INHERITED; | 503 typedef GrGradientEffect INHERITED; |
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583 str->append("SkLinearGradient ("); | 583 str->append("SkLinearGradient ("); |
584 | 584 |
585 str->appendf("start: (%f, %f)", fStart.fX, fStart.fY); | 585 str->appendf("start: (%f, %f)", fStart.fX, fStart.fY); |
586 str->appendf(" end: (%f, %f) ", fEnd.fX, fEnd.fY); | 586 str->appendf(" end: (%f, %f) ", fEnd.fX, fEnd.fY); |
587 | 587 |
588 this->INHERITED::toString(str); | 588 this->INHERITED::toString(str); |
589 | 589 |
590 str->append(")"); | 590 str->append(")"); |
591 } | 591 } |
592 #endif | 592 #endif |
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