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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"); |
| (...skipping 14 matching lines...) Expand all Loading... |
| 25 CBC_CommonBitArray::CBC_CommonBitArray(CBC_CommonBitArray* array) | 25 CBC_CommonBitArray::CBC_CommonBitArray(CBC_CommonBitArray* array) |
| 26 { | 26 { |
| 27 m_size = array->GetSize(); | 27 m_size = array->GetSize(); |
| 28 m_bits.Copy(array->GetBits()); | 28 m_bits.Copy(array->GetBits()); |
| 29 } | 29 } |
| 30 CBC_CommonBitArray::CBC_CommonBitArray() | 30 CBC_CommonBitArray::CBC_CommonBitArray() |
| 31 { | 31 { |
| 32 m_bits.SetSize(1); | 32 m_bits.SetSize(1); |
| 33 m_size = 0; | 33 m_size = 0; |
| 34 } | 34 } |
| 35 CBC_CommonBitArray::CBC_CommonBitArray(FX_INT32 size) | 35 CBC_CommonBitArray::CBC_CommonBitArray(int32_t size) |
| 36 { | 36 { |
| 37 m_bits.SetSize((size + 31) >> 5); | 37 m_bits.SetSize((size + 31) >> 5); |
| 38 m_size = size; | 38 m_size = size; |
| 39 } | 39 } |
| 40 CBC_CommonBitArray::~CBC_CommonBitArray() | 40 CBC_CommonBitArray::~CBC_CommonBitArray() |
| 41 { | 41 { |
| 42 m_size = 0; | 42 m_size = 0; |
| 43 } | 43 } |
| 44 FX_INT32 CBC_CommonBitArray::GetSize() | 44 int32_t CBC_CommonBitArray::GetSize() |
| 45 { | 45 { |
| 46 return m_size; | 46 return m_size; |
| 47 } | 47 } |
| 48 CFX_Int32Array& CBC_CommonBitArray::GetBits() | 48 CFX_Int32Array& CBC_CommonBitArray::GetBits() |
| 49 { | 49 { |
| 50 return m_bits; | 50 return m_bits; |
| 51 } | 51 } |
| 52 FX_INT32 CBC_CommonBitArray::GetSizeInBytes() | 52 int32_t CBC_CommonBitArray::GetSizeInBytes() |
| 53 { | 53 { |
| 54 return (m_size + 7) >> 3; | 54 return (m_size + 7) >> 3; |
| 55 } | 55 } |
| 56 FX_BOOL CBC_CommonBitArray::Get(FX_INT32 i) | 56 FX_BOOL CBC_CommonBitArray::Get(int32_t i) |
| 57 { | 57 { |
| 58 return (m_bits[i >> 5] & (1 << (i & 0x1f))) != 0; | 58 return (m_bits[i >> 5] & (1 << (i & 0x1f))) != 0; |
| 59 } | 59 } |
| 60 void CBC_CommonBitArray::Set(FX_INT32 i) | 60 void CBC_CommonBitArray::Set(int32_t i) |
| 61 { | 61 { |
| 62 m_bits[i >> 5] |= 1 << (i & 0x1F); | 62 m_bits[i >> 5] |= 1 << (i & 0x1F); |
| 63 } | 63 } |
| 64 void CBC_CommonBitArray::Flip(FX_INT32 i) | 64 void CBC_CommonBitArray::Flip(int32_t i) |
| 65 { | 65 { |
| 66 m_bits[i >> 5] ^= 1 << (i & 0x1F); | 66 m_bits[i >> 5] ^= 1 << (i & 0x1F); |
| 67 } | 67 } |
| 68 void CBC_CommonBitArray::SetBulk(FX_INT32 i, FX_INT32 newBits) | 68 void CBC_CommonBitArray::SetBulk(int32_t i, int32_t newBits) |
| 69 { | 69 { |
| 70 m_bits[i >> 5] = newBits; | 70 m_bits[i >> 5] = newBits; |
| 71 } | 71 } |
| 72 void CBC_CommonBitArray::Clear() | 72 void CBC_CommonBitArray::Clear() |
| 73 { | 73 { |
| 74 FXSYS_memset32(&m_bits[0], 0x00, m_bits.GetSize() * sizeof(FX_INT32)); | 74 FXSYS_memset32(&m_bits[0], 0x00, m_bits.GetSize() * sizeof(int32_t)); |
| 75 } | 75 } |
| 76 FX_BOOL CBC_CommonBitArray::IsRange(FX_INT32 start, FX_INT32 end, FX_BOOL value,
FX_INT32 &e) | 76 FX_BOOL CBC_CommonBitArray::IsRange(int32_t start, int32_t end, FX_BOOL value, i
nt32_t &e) |
| 77 { | 77 { |
| 78 if (end < start) { | 78 if (end < start) { |
| 79 e = BCExceptionEndLessThanStart; | 79 e = BCExceptionEndLessThanStart; |
| 80 return FALSE; | 80 return FALSE; |
| 81 } | 81 } |
| 82 if (end == start) { | 82 if (end == start) { |
| 83 return TRUE; | 83 return TRUE; |
| 84 } | 84 } |
| 85 end--; | 85 end--; |
| 86 FX_INT32 firstInt = start >> 5; | 86 int32_t firstInt = start >> 5; |
| 87 FX_INT32 lastInt = end >> 5; | 87 int32_t lastInt = end >> 5; |
| 88 FX_INT32 i; | 88 int32_t i; |
| 89 for (i = firstInt; i <= lastInt; i++) { | 89 for (i = firstInt; i <= lastInt; i++) { |
| 90 FX_INT32 firstBit = i > firstInt ? 0 : start & 0x1F; | 90 int32_t firstBit = i > firstInt ? 0 : start & 0x1F; |
| 91 FX_INT32 lastBit = i < lastInt ? 31 : end & 0x1F; | 91 int32_t lastBit = i < lastInt ? 31 : end & 0x1F; |
| 92 FX_INT32 mask; | 92 int32_t mask; |
| 93 if (firstBit == 0 && lastBit == 31) { | 93 if (firstBit == 0 && lastBit == 31) { |
| 94 mask = -1; | 94 mask = -1; |
| 95 } else { | 95 } else { |
| 96 mask = 0; | 96 mask = 0; |
| 97 for (FX_INT32 j = firstBit; j <= lastBit; j++) { | 97 for (int32_t j = firstBit; j <= lastBit; j++) { |
| 98 mask |= 1 << j; | 98 mask |= 1 << j; |
| 99 } | 99 } |
| 100 } | 100 } |
| 101 if ((m_bits[i] & mask) != (value ? mask : 0)) { | 101 if ((m_bits[i] & mask) != (value ? mask : 0)) { |
| 102 return FALSE; | 102 return FALSE; |
| 103 } | 103 } |
| 104 } | 104 } |
| 105 return TRUE; | 105 return TRUE; |
| 106 } | 106 } |
| 107 FX_INT32* CBC_CommonBitArray::GetBitArray() | 107 int32_t* CBC_CommonBitArray::GetBitArray() |
| 108 { | 108 { |
| 109 return &m_bits[0]; | 109 return &m_bits[0]; |
| 110 } | 110 } |
| 111 void CBC_CommonBitArray::Reverse() | 111 void CBC_CommonBitArray::Reverse() |
| 112 { | 112 { |
| 113 FX_INT32* newBits = FX_Alloc(FX_INT32, m_bits.GetSize()); | 113 int32_t* newBits = FX_Alloc(int32_t, m_bits.GetSize()); |
| 114 FXSYS_memset32(newBits, 0x00, m_bits.GetSize() * sizeof(FX_INT32)); | 114 FXSYS_memset32(newBits, 0x00, m_bits.GetSize() * sizeof(int32_t)); |
| 115 FX_INT32 size = m_size; | 115 int32_t size = m_size; |
| 116 FX_INT32 i; | 116 int32_t i; |
| 117 for (i = 0; i < size; i++) { | 117 for (i = 0; i < size; i++) { |
| 118 if (Get(size - i - 1)) { | 118 if (Get(size - i - 1)) { |
| 119 newBits[i >> 5] |= 1 << (i & 0x1F); | 119 newBits[i >> 5] |= 1 << (i & 0x1F); |
| 120 } | 120 } |
| 121 } | 121 } |
| 122 FXSYS_memcpy32(&m_bits[0], newBits, m_bits.GetSize() * sizeof(FX_INT32)); | 122 FXSYS_memcpy32(&m_bits[0], newBits, m_bits.GetSize() * sizeof(int32_t)); |
| 123 FX_Free(newBits); | 123 FX_Free(newBits); |
| 124 } | 124 } |
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