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1 /* | 1 /* |
2 * Copyright 2012 The Android Open Source Project | 2 * Copyright 2012 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 "SkMergeImageFilter.h" | 8 #include "SkMergeImageFilter.h" |
9 #include "SkCanvas.h" | 9 #include "SkCanvas.h" |
10 #include "SkDevice.h" | 10 #include "SkDevice.h" |
11 #include "SkFlattenableBuffers.h" | 11 #include "SkFlattenableBuffers.h" |
| 12 #include "SkValidationUtils.h" |
12 | 13 |
13 /////////////////////////////////////////////////////////////////////////////// | 14 /////////////////////////////////////////////////////////////////////////////// |
14 | 15 |
15 void SkMergeImageFilter::initAllocModes() { | 16 void SkMergeImageFilter::initAllocModes() { |
16 int inputCount = countInputs(); | 17 int inputCount = countInputs(); |
17 if (inputCount) { | 18 if (inputCount) { |
18 size_t size = sizeof(uint8_t) * inputCount; | 19 size_t size = sizeof(uint8_t) * inputCount; |
19 if (size <= sizeof(fStorage)) { | 20 if (size <= sizeof(fStorage)) { |
20 fModes = SkTCast<uint8_t*>(fStorage); | 21 fModes = SkTCast<uint8_t*>(fStorage); |
21 } else { | 22 } else { |
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152 buffer.writeBool(fModes != NULL); | 153 buffer.writeBool(fModes != NULL); |
153 if (fModes) { | 154 if (fModes) { |
154 buffer.writeByteArray(fModes, countInputs() * sizeof(fModes[0])); | 155 buffer.writeByteArray(fModes, countInputs() * sizeof(fModes[0])); |
155 } | 156 } |
156 } | 157 } |
157 | 158 |
158 SkMergeImageFilter::SkMergeImageFilter(SkFlattenableReadBuffer& buffer) : INHERI
TED(buffer) { | 159 SkMergeImageFilter::SkMergeImageFilter(SkFlattenableReadBuffer& buffer) : INHERI
TED(buffer) { |
159 bool hasModes = buffer.readBool(); | 160 bool hasModes = buffer.readBool(); |
160 if (hasModes) { | 161 if (hasModes) { |
161 this->initAllocModes(); | 162 this->initAllocModes(); |
162 SkASSERT(buffer.getArrayCount() == countInputs() * sizeof(fModes[0])); | 163 int nbInputs = countInputs(); |
| 164 SkASSERT(buffer.getArrayCount() == nbInputs * sizeof(fModes[0])); |
163 buffer.readByteArray(fModes); | 165 buffer.readByteArray(fModes); |
| 166 for (int i = 0; i < nbInputs; ++i) { |
| 167 buffer.validate(SkIsValidMode((SkXfermode::Mode)fModes[i])); |
| 168 } |
164 } else { | 169 } else { |
165 fModes = 0; | 170 fModes = 0; |
166 } | 171 } |
167 } | 172 } |
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