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1 // Copyright 2014 PDFium Authors. All rights reserved. | 1 // Copyright 2014 PDFium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
6 // Original code is licensed as follows: | 6 // Original code is licensed as follows: |
7 /* | 7 /* |
8 * Copyright 2007 ZXing authors | 8 * Copyright 2007 ZXing authors |
9 * | 9 * |
10 * Licensed under the Apache License, Version 2.0 (the "License"); | 10 * Licensed under the Apache License, Version 2.0 (the "License"); |
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34 CBC_CommonBitArray::CBC_CommonBitArray(int32_t size) { | 34 CBC_CommonBitArray::CBC_CommonBitArray(int32_t size) { |
35 m_bits.SetSize((size + 31) >> 5); | 35 m_bits.SetSize((size + 31) >> 5); |
36 m_size = size; | 36 m_size = size; |
37 } | 37 } |
38 CBC_CommonBitArray::~CBC_CommonBitArray() { | 38 CBC_CommonBitArray::~CBC_CommonBitArray() { |
39 m_size = 0; | 39 m_size = 0; |
40 } | 40 } |
41 int32_t CBC_CommonBitArray::GetSize() { | 41 int32_t CBC_CommonBitArray::GetSize() { |
42 return m_size; | 42 return m_size; |
43 } | 43 } |
44 CFX_Int32Array& CBC_CommonBitArray::GetBits() { | 44 CFX_ArrayTemplate<int32_t>& CBC_CommonBitArray::GetBits() { |
45 return m_bits; | 45 return m_bits; |
46 } | 46 } |
47 int32_t CBC_CommonBitArray::GetSizeInBytes() { | 47 int32_t CBC_CommonBitArray::GetSizeInBytes() { |
48 return (m_size + 7) >> 3; | 48 return (m_size + 7) >> 3; |
49 } | 49 } |
50 bool CBC_CommonBitArray::Get(int32_t i) { | 50 bool CBC_CommonBitArray::Get(int32_t i) { |
51 return (m_bits[i >> 5] & (1 << (i & 0x1f))) != 0; | 51 return (m_bits[i >> 5] & (1 << (i & 0x1f))) != 0; |
52 } | 52 } |
53 void CBC_CommonBitArray::Set(int32_t i) { | 53 void CBC_CommonBitArray::Set(int32_t i) { |
54 m_bits[i >> 5] |= 1 << (i & 0x1F); | 54 m_bits[i >> 5] |= 1 << (i & 0x1F); |
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104 int32_t size = m_size; | 104 int32_t size = m_size; |
105 int32_t i; | 105 int32_t i; |
106 for (i = 0; i < size; i++) { | 106 for (i = 0; i < size; i++) { |
107 if (Get(size - i - 1)) { | 107 if (Get(size - i - 1)) { |
108 newBits[i >> 5] |= 1 << (i & 0x1F); | 108 newBits[i >> 5] |= 1 << (i & 0x1F); |
109 } | 109 } |
110 } | 110 } |
111 FXSYS_memcpy(&m_bits[0], newBits, m_bits.GetSize() * sizeof(int32_t)); | 111 FXSYS_memcpy(&m_bits[0], newBits, m_bits.GetSize() * sizeof(int32_t)); |
112 FX_Free(newBits); | 112 FX_Free(newBits); |
113 } | 113 } |
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