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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 2008 ZXing authors | 8 * Copyright 2008 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"); |
11 * you may not use this file except in compliance with the License. | 11 * you may not use this file except in compliance with the License. |
12 * You may obtain a copy of the License at | 12 * You may obtain a copy of the License at |
13 * | 13 * |
14 * http://www.apache.org/licenses/LICENSE-2.0 | 14 * http://www.apache.org/licenses/LICENSE-2.0 |
15 * | 15 * |
16 * Unless required by applicable law or agreed to in writing, software | 16 * Unless required by applicable law or agreed to in writing, software |
17 * distributed under the License is distributed on an "AS IS" BASIS, | 17 * distributed under the License is distributed on an "AS IS" BASIS, |
18 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 18 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
19 * See the License for the specific language governing permissions and | 19 * See the License for the specific language governing permissions and |
20 * limitations under the License. | 20 * limitations under the License. |
21 */ | 21 */ |
22 | 22 |
23 #include <algorithm> | 23 #include <algorithm> |
24 | 24 |
25 #include "xfa/fxbarcode/common/BC_CommonByteArray.h" | 25 #include "xfa/fxbarcode/common/BC_CommonByteArray.h" |
26 | 26 |
27 CBC_CommonByteArray::CBC_CommonByteArray() { | 27 CBC_CommonByteArray::CBC_CommonByteArray() { |
28 m_bytes = NULL; | 28 m_bytes = nullptr; |
29 m_size = 0; | 29 m_size = 0; |
30 m_index = 0; | 30 m_index = 0; |
31 } | 31 } |
32 CBC_CommonByteArray::CBC_CommonByteArray(int32_t size) { | 32 CBC_CommonByteArray::CBC_CommonByteArray(int32_t size) { |
33 m_size = size; | 33 m_size = size; |
34 m_bytes = FX_Alloc(uint8_t, size); | 34 m_bytes = FX_Alloc(uint8_t, size); |
35 FXSYS_memset(m_bytes, 0, size); | 35 FXSYS_memset(m_bytes, 0, size); |
36 m_index = 0; | 36 m_index = 0; |
37 } | 37 } |
38 CBC_CommonByteArray::CBC_CommonByteArray(uint8_t* byteArray, int32_t size) { | 38 CBC_CommonByteArray::CBC_CommonByteArray(uint8_t* byteArray, int32_t size) { |
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58 } | 58 } |
59 void CBC_CommonByteArray::AppendByte(int32_t value) { | 59 void CBC_CommonByteArray::AppendByte(int32_t value) { |
60 if (m_size == 0 || m_index >= m_size) { | 60 if (m_size == 0 || m_index >= m_size) { |
61 int32_t newSize = std::max(32, m_size << 1); | 61 int32_t newSize = std::max(32, m_size << 1); |
62 Reserve(newSize); | 62 Reserve(newSize); |
63 } | 63 } |
64 m_bytes[m_index] = (uint8_t)value; | 64 m_bytes[m_index] = (uint8_t)value; |
65 m_index++; | 65 m_index++; |
66 } | 66 } |
67 void CBC_CommonByteArray::Reserve(int32_t capacity) { | 67 void CBC_CommonByteArray::Reserve(int32_t capacity) { |
68 if (m_bytes == NULL || m_size < capacity) { | 68 if (!m_bytes || m_size < capacity) { |
69 uint8_t* newArray = FX_Alloc(uint8_t, capacity); | 69 uint8_t* newArray = FX_Alloc(uint8_t, capacity); |
70 if (m_bytes) { | 70 if (m_bytes) { |
71 FXSYS_memcpy(newArray, m_bytes, m_size); | 71 FXSYS_memcpy(newArray, m_bytes, m_size); |
72 FXSYS_memset(newArray + m_size, 0, capacity - m_size); | 72 FXSYS_memset(newArray + m_size, 0, capacity - m_size); |
73 } else { | 73 } else { |
74 FXSYS_memset(newArray, 0, capacity); | 74 FXSYS_memset(newArray, 0, capacity); |
75 } | 75 } |
76 FX_Free(m_bytes); | 76 FX_Free(m_bytes); |
77 m_bytes = newArray; | 77 m_bytes = newArray; |
78 m_size = capacity; | 78 m_size = capacity; |
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90 int32_t count) { | 90 int32_t count) { |
91 FX_Free(m_bytes); | 91 FX_Free(m_bytes); |
92 m_bytes = FX_Alloc(uint8_t, count); | 92 m_bytes = FX_Alloc(uint8_t, count); |
93 m_size = count; | 93 m_size = count; |
94 int32_t i; | 94 int32_t i; |
95 for (i = 0; i < count; i++) { | 95 for (i = 0; i < count; i++) { |
96 m_bytes[i] = source->operator[](i + offset); | 96 m_bytes[i] = source->operator[](i + offset); |
97 } | 97 } |
98 m_index = m_size; | 98 m_index = m_size; |
99 } | 99 } |
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