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/barcode.h"
26 #include "BC_CommonByteArray.h"
CBC_CommonByteArray()27 CBC_CommonByteArray::CBC_CommonByteArray() {
28 m_bytes = NULL;
29 m_size = 0;
30 m_index = 0;
31 }
CBC_CommonByteArray(int32_t size)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 }
CBC_CommonByteArray(uint8_t * byteArray,int32_t size)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 }
~CBC_CommonByteArray()44 CBC_CommonByteArray::~CBC_CommonByteArray() {
45 if (m_bytes != NULL) {
46 FX_Free(m_bytes);
47 m_bytes = NULL;
48 }
49 m_index = 0;
50 m_size = 0;
51 }
At(int32_t index)52 int32_t CBC_CommonByteArray::At(int32_t index) {
53 return m_bytes[index] & 0xff;
54 }
Set(int32_t index,int32_t value)55 void CBC_CommonByteArray::Set(int32_t index, int32_t value) {
56 m_bytes[index] = (uint8_t)value;
57 }
Size()58 int32_t CBC_CommonByteArray::Size() {
59 return m_size;
60 }
IsEmpty()61 FX_BOOL CBC_CommonByteArray::IsEmpty() {
62 return m_size == 0;
63 }
AppendByte(int32_t value)64 void CBC_CommonByteArray::AppendByte(int32_t value) {
65 if (m_size == 0 || m_index >= m_size) {
66 int32_t newSize = std::max(32, m_size << 1);
67 Reserve(newSize);
68 }
69 m_bytes[m_index] = (uint8_t)value;
70 m_index++;
71 }
Reserve(int32_t capacity)72 void CBC_CommonByteArray::Reserve(int32_t capacity) {
73 if (m_bytes == NULL || m_size < capacity) {
74 uint8_t* newArray = FX_Alloc(uint8_t, capacity);
75 FXSYS_memset(newArray, 0, capacity);
76 if (m_bytes != NULL) {
77 FXSYS_memcpy(newArray, m_bytes, m_size);
78 FX_Free(m_bytes);
79 }
80 m_bytes = newArray;
81 m_size = capacity;
82 }
83 }
Set(uint8_t * source,int32_t offset,int32_t count)84 void CBC_CommonByteArray::Set(uint8_t* source, int32_t offset, int32_t count) {
85 if (m_bytes != NULL) {
86 FX_Free(m_bytes);
87 }
88 m_bytes = FX_Alloc(uint8_t, count);
89 m_size = count;
90 FXSYS_memcpy(m_bytes, source + offset, count);
91 m_index = count;
92 }
Set(CFX_ByteArray * source,int32_t offset,int32_t count)93 void CBC_CommonByteArray::Set(CFX_ByteArray* source,
94 int32_t offset,
95 int32_t count) {
96 if (m_bytes != NULL) {
97 FX_Free(m_bytes);
98 }
99 m_bytes = FX_Alloc(uint8_t, count);
100 m_size = count;
101 int32_t i;
102 for (i = 0; i < count; i++) {
103 m_bytes[i] = source->operator[](i + offset);
104 }
105 m_index = m_size;
106 }
107