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" 27CBC_CommonByteArray::CBC_CommonByteArray() { 28 m_bytes = NULL; 29 m_size = 0; 30 m_index = 0; 31} 32CBC_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} 38CBC_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} 44CBC_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} 52int32_t CBC_CommonByteArray::At(int32_t index) { 53 return m_bytes[index] & 0xff; 54} 55void CBC_CommonByteArray::Set(int32_t index, int32_t value) { 56 m_bytes[index] = (uint8_t)value; 57} 58int32_t CBC_CommonByteArray::Size() { 59 return m_size; 60} 61FX_BOOL CBC_CommonByteArray::IsEmpty() { 62 return m_size == 0; 63} 64void 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} 72void 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} 84void 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} 93void 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