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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 #include "SkAtomics.h" | 8 #include "SkAtomics.h" |
9 #include "SkBitmapProcShader.h" | 9 #include "SkBitmapProcShader.h" |
10 #include "SkColorShader.h" | 10 #include "SkColorShader.h" |
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79 colorPtr = &storage; | 79 colorPtr = &storage; |
80 } | 80 } |
81 if (this->onAsLuminanceColor(colorPtr)) { | 81 if (this->onAsLuminanceColor(colorPtr)) { |
82 *colorPtr = SkColorSetA(*colorPtr, 0xFF); // we only return opaque | 82 *colorPtr = SkColorSetA(*colorPtr, 0xFF); // we only return opaque |
83 return true; | 83 return true; |
84 } | 84 } |
85 return false; | 85 return false; |
86 } | 86 } |
87 | 87 |
88 SkShader::Context* SkShader::createContext(const ContextRec& rec, void* storage)
const { | 88 SkShader::Context* SkShader::createContext(const ContextRec& rec, void* storage)
const { |
89 // Currently we require each context to be allocated on 16byte boundary as s
ome of our | |
90 // subclasses need that. Hence we check the ptr here. | |
91 SkASSERT(SkIsAlign16((intptr_t)storage)); | |
92 | |
93 if (!this->computeTotalInverse(rec, nullptr)) { | 89 if (!this->computeTotalInverse(rec, nullptr)) { |
94 return nullptr; | 90 return nullptr; |
95 } | 91 } |
96 return this->onCreateContext(rec, storage); | 92 return this->onCreateContext(rec, storage); |
97 } | 93 } |
98 | 94 |
99 SkShader::Context* SkShader::onCreateContext(const ContextRec& rec, void*) const
{ | 95 SkShader::Context* SkShader::onCreateContext(const ContextRec& rec, void*) const
{ |
100 return nullptr; | 96 return nullptr; |
101 } | 97 } |
102 | 98 |
103 size_t SkShader::contextSize(const ContextRec& rec) const { | 99 size_t SkShader::contextSize(const ContextRec&) const { |
104 size_t size = this->onContextSize(rec); | |
105 | |
106 // Currently we require each context to be allocated on 16byte boundary as s
ome of our | |
107 // subclasses need that. Hence we check the size here. | |
108 SkASSERT(SkIsAlign16(size)); | |
109 | |
110 return size; | |
111 } | |
112 | |
113 size_t SkShader::onContextSize(const ContextRec&) const { | |
114 return 0; | 100 return 0; |
115 } | 101 } |
116 | 102 |
117 SkShader::Context::Context(const SkShader& shader, const ContextRec& rec) | 103 SkShader::Context::Context(const SkShader& shader, const ContextRec& rec) |
118 : fShader(shader), fCTM(*rec.fMatrix) | 104 : fShader(shader), fCTM(*rec.fMatrix) |
119 { | 105 { |
120 // Because the context parameters must be valid at this point, we know that
the matrix is | 106 // Because the context parameters must be valid at this point, we know that
the matrix is |
121 // invertible. | 107 // invertible. |
122 SkAssertResult(fShader.computeTotalInverse(rec, &fTotalInverse)); | 108 SkAssertResult(fShader.computeTotalInverse(rec, &fTotalInverse)); |
123 fTotalInverseClass = (uint8_t)ComputeMatrixClass(fTotalInverse); | 109 fTotalInverseClass = (uint8_t)ComputeMatrixClass(fTotalInverse); |
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379 #include "SkEmptyShader.h" | 365 #include "SkEmptyShader.h" |
380 | 366 |
381 void SkEmptyShader::toString(SkString* str) const { | 367 void SkEmptyShader::toString(SkString* str) const { |
382 str->append("SkEmptyShader: ("); | 368 str->append("SkEmptyShader: ("); |
383 | 369 |
384 this->INHERITED::toString(str); | 370 this->INHERITED::toString(str); |
385 | 371 |
386 str->append(")"); | 372 str->append(")"); |
387 } | 373 } |
388 #endif | 374 #endif |
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