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// Copyright 2014 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
// Original code is licensed as follows:
/*
* Copyright 2008 ZXing authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "../barcode.h"
#include "BC_CommonByteArray.h"
CBC_CommonByteArray::CBC_CommonByteArray()
{
m_bytes = NULL;
m_size = 0;
m_index = 0;
}
CBC_CommonByteArray::CBC_CommonByteArray(FX_INT32 size)
{
m_size = size;
m_bytes = FX_Alloc(FX_BYTE, size);
FXSYS_memset32(m_bytes, 0, size);
m_index = 0;
}
CBC_CommonByteArray::CBC_CommonByteArray(FX_BYTE* byteArray, FX_INT32 size)
{
m_size = size;
m_bytes = FX_Alloc(FX_BYTE, size);
FXSYS_memcpy32(m_bytes, byteArray, size);
m_index = size;
}
CBC_CommonByteArray::~CBC_CommonByteArray()
{
if ( m_bytes != NULL) {
FX_Free( m_bytes );
m_bytes = NULL;
}
m_index = 0;
m_size = 0;
}
FX_INT32 CBC_CommonByteArray::At(FX_INT32 index)
{
return m_bytes[index] & 0xff;
}
void CBC_CommonByteArray::Set(FX_INT32 index, FX_INT32 value)
{
m_bytes[index] = (FX_BYTE) value;
}
FX_INT32 CBC_CommonByteArray::Size()
{
return m_size;
}
FX_BOOL CBC_CommonByteArray::IsEmpty()
{
return m_size == 0;
}
void CBC_CommonByteArray::AppendByte(FX_INT32 value)
{
if (m_size == 0 || m_index >= m_size) {
FX_INT32 newSize = FX_MAX(32, m_size << 1);
Reserve(newSize);
}
m_bytes[m_index] = (FX_BYTE)value;
m_index++;
}
void CBC_CommonByteArray::Reserve(FX_INT32 capacity)
{
if (m_bytes == NULL || m_size < capacity) {
FX_BYTE *newArray = FX_Alloc(FX_BYTE, capacity);
FXSYS_memset32(newArray, 0, capacity);
if (m_bytes != NULL) {
FXSYS_memcpy32(newArray, m_bytes, m_size);
FX_Free( m_bytes );
}
m_bytes = newArray;
m_size = capacity;
}
}
void CBC_CommonByteArray::Set(FX_BYTE* source, FX_INT32 offset, FX_INT32 count)
{
if (m_bytes != NULL) {
FX_Free( m_bytes );
}
m_bytes = FX_Alloc(FX_BYTE, count);
m_size = count;
FXSYS_memcpy32(m_bytes, source + offset, count);
m_index = count;
}
void CBC_CommonByteArray::Set(CFX_ByteArray* source, FX_INT32 offset, FX_INT32 count)
{
if (m_bytes != NULL) {
FX_Free( m_bytes );
}
m_bytes = FX_Alloc(FX_BYTE, count);
m_size = count;
FX_INT32 i;
for(i = 0; i < count; i++) {
m_bytes[i] = source->operator [](i + offset);
}
m_index = m_size;
}
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