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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2009 The Android Open Source Project | 3 * Copyright 2009 The Android Open Source Project |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 | 9 |
10 #include "SkColorTable.h" | 10 #include "SkColorTable.h" |
11 #include "SkFlattenableBuffers.h" | 11 #include "SkReadBuffer.h" |
| 12 #include "SkWriteBuffer.h" |
12 #include "SkStream.h" | 13 #include "SkStream.h" |
13 #include "SkTemplates.h" | 14 #include "SkTemplates.h" |
14 | 15 |
15 // As copy constructor is hidden in the class hierarchy, we need to call | 16 // As copy constructor is hidden in the class hierarchy, we need to call |
16 // default constructor explicitly to suppress a compiler warning. | 17 // default constructor explicitly to suppress a compiler warning. |
17 SkColorTable::SkColorTable(const SkColorTable& src) : INHERITED() { | 18 SkColorTable::SkColorTable(const SkColorTable& src) : INHERITED() { |
18 f16BitCache = NULL; | 19 f16BitCache = NULL; |
19 fAlphaType = src.fAlphaType; | 20 fAlphaType = src.fAlphaType; |
20 int count = src.count(); | 21 int count = src.count(); |
21 fCount = SkToU16(count); | 22 fCount = SkToU16(count); |
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76 f16BitCache = (uint16_t*)sk_malloc_throw(fCount * sizeof(uint16_t)); | 77 f16BitCache = (uint16_t*)sk_malloc_throw(fCount * sizeof(uint16_t)); |
77 build_16bitcache(f16BitCache, fColors, fCount); | 78 build_16bitcache(f16BitCache, fColors, fCount); |
78 } | 79 } |
79 | 80 |
80 SkDEBUGCODE(f16BitCacheLockCount += 1); | 81 SkDEBUGCODE(f16BitCacheLockCount += 1); |
81 return f16BitCache; | 82 return f16BitCache; |
82 } | 83 } |
83 | 84 |
84 /////////////////////////////////////////////////////////////////////////////// | 85 /////////////////////////////////////////////////////////////////////////////// |
85 | 86 |
86 SkColorTable::SkColorTable(SkFlattenableReadBuffer& buffer) { | 87 SkColorTable::SkColorTable(SkReadBuffer& buffer) { |
87 f16BitCache = NULL; | 88 f16BitCache = NULL; |
88 SkDEBUGCODE(fColorLockCount = 0;) | 89 SkDEBUGCODE(fColorLockCount = 0;) |
89 SkDEBUGCODE(f16BitCacheLockCount = 0;) | 90 SkDEBUGCODE(f16BitCacheLockCount = 0;) |
90 | 91 |
91 fAlphaType = SkToU8(buffer.readUInt()); | 92 fAlphaType = SkToU8(buffer.readUInt()); |
92 fCount = buffer.getArrayCount(); | 93 fCount = buffer.getArrayCount(); |
93 size_t allocSize = fCount * sizeof(SkPMColor); | 94 size_t allocSize = fCount * sizeof(SkPMColor); |
94 SkDEBUGCODE(bool success = false;) | 95 SkDEBUGCODE(bool success = false;) |
95 if (buffer.validateAvailable(allocSize)) { | 96 if (buffer.validateAvailable(allocSize)) { |
96 fColors = (SkPMColor*)sk_malloc_throw(allocSize); | 97 fColors = (SkPMColor*)sk_malloc_throw(allocSize); |
97 SkDEBUGCODE(success =) buffer.readColorArray(fColors, fCount); | 98 SkDEBUGCODE(success =) buffer.readColorArray(fColors, fCount); |
98 } else { | 99 } else { |
99 fCount = 0; | 100 fCount = 0; |
100 fColors = NULL; | 101 fColors = NULL; |
101 } | 102 } |
102 #ifdef SK_DEBUG | 103 #ifdef SK_DEBUG |
103 SkASSERT((unsigned)fCount <= 256); | 104 SkASSERT((unsigned)fCount <= 256); |
104 SkASSERT(success); | 105 SkASSERT(success); |
105 #endif | 106 #endif |
106 } | 107 } |
107 | 108 |
108 void SkColorTable::writeToBuffer(SkFlattenableWriteBuffer& buffer) const { | 109 void SkColorTable::writeToBuffer(SkWriteBuffer& buffer) const { |
109 buffer.writeUInt(fAlphaType); | 110 buffer.writeUInt(fAlphaType); |
110 buffer.writeColorArray(fColors, fCount); | 111 buffer.writeColorArray(fColors, fCount); |
111 } | 112 } |
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