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1 // Copyright 2014 PDFium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | |
6 // Original code is licensed as follows: | |
7 /* | |
8 * Copyright 2008 ZXing authors | |
9 * | |
10 * Licensed under the Apache License, Version 2.0 (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 | |
13 * | |
14 * http://www.apache.org/licenses/LICENSE-2.0 | |
15 * | |
16 * Unless required by applicable law or agreed to in writing, software | |
17 * distributed under the License is distributed on an "AS IS" BASIS, | |
18 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
19 * See the License for the specific language governing permissions and | |
20 * limitations under the License. | |
21 */ | |
22 | |
23 #include <algorithm> | |
24 | |
25 #include "xfa/src/fxbarcode/common/BC_CommonByteArray.h" | |
26 | |
27 CBC_CommonByteArray::CBC_CommonByteArray() { | |
28 m_bytes = NULL; | |
29 m_size = 0; | |
30 m_index = 0; | |
31 } | |
32 CBC_CommonByteArray::CBC_CommonByteArray(int32_t size) { | |
33 m_size = size; | |
34 m_bytes = FX_Alloc(uint8_t, size); | |
35 FXSYS_memset(m_bytes, 0, size); | |
36 m_index = 0; | |
37 } | |
38 CBC_CommonByteArray::CBC_CommonByteArray(uint8_t* byteArray, int32_t size) { | |
39 m_size = size; | |
40 m_bytes = FX_Alloc(uint8_t, size); | |
41 FXSYS_memcpy(m_bytes, byteArray, size); | |
42 m_index = size; | |
43 } | |
44 CBC_CommonByteArray::~CBC_CommonByteArray() { | |
45 FX_Free(m_bytes); | |
46 } | |
47 int32_t CBC_CommonByteArray::At(int32_t index) { | |
48 return m_bytes[index] & 0xff; | |
49 } | |
50 void CBC_CommonByteArray::Set(int32_t index, int32_t value) { | |
51 m_bytes[index] = (uint8_t)value; | |
52 } | |
53 int32_t CBC_CommonByteArray::Size() { | |
54 return m_size; | |
55 } | |
56 FX_BOOL CBC_CommonByteArray::IsEmpty() { | |
57 return m_size == 0; | |
58 } | |
59 void CBC_CommonByteArray::AppendByte(int32_t value) { | |
60 if (m_size == 0 || m_index >= m_size) { | |
61 int32_t newSize = std::max(32, m_size << 1); | |
62 Reserve(newSize); | |
63 } | |
64 m_bytes[m_index] = (uint8_t)value; | |
65 m_index++; | |
66 } | |
67 void CBC_CommonByteArray::Reserve(int32_t capacity) { | |
68 if (m_bytes == NULL || m_size < capacity) { | |
69 uint8_t* newArray = FX_Alloc(uint8_t, capacity); | |
70 if (m_bytes) { | |
71 FXSYS_memcpy(newArray, m_bytes, m_size); | |
72 FXSYS_memset(newArray + m_size, 0, capacity - m_size); | |
73 } else { | |
74 FXSYS_memset(newArray, 0, capacity); | |
75 } | |
76 FX_Free(m_bytes); | |
77 m_bytes = newArray; | |
78 m_size = capacity; | |
79 } | |
80 } | |
81 void CBC_CommonByteArray::Set(uint8_t* source, int32_t offset, int32_t count) { | |
82 FX_Free(m_bytes); | |
83 m_bytes = FX_Alloc(uint8_t, count); | |
84 m_size = count; | |
85 FXSYS_memcpy(m_bytes, source + offset, count); | |
86 m_index = count; | |
87 } | |
88 void CBC_CommonByteArray::Set(CFX_ByteArray* source, | |
89 int32_t offset, | |
90 int32_t count) { | |
91 FX_Free(m_bytes); | |
92 m_bytes = FX_Alloc(uint8_t, count); | |
93 m_size = count; | |
94 int32_t i; | |
95 for (i = 0; i < count; i++) { | |
96 m_bytes[i] = source->operator[](i + offset); | |
97 } | |
98 m_index = m_size; | |
99 } | |
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