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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 2013 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_PDF417Codeword.h"
#include "BC_PDF417BoundingBox.h"
#include "BC_PDF417DetectionResultColumn.h"
FX_INT32 CBC_DetectionResultColumn::MAX_NEARBY_DISTANCE = 5;
CBC_DetectionResultColumn::CBC_DetectionResultColumn(CBC_BoundingBox* boundingBox)
{
m_boundingBox = boundingBox;
m_codewords = FX_NEW CFX_PtrArray;
m_codewords->SetSize(boundingBox->getMaxY() - boundingBox->getMinY() + 1);
}
CBC_DetectionResultColumn::~CBC_DetectionResultColumn()
{
for (FX_INT32 i = 0; i < m_codewords->GetSize(); i++) {
delete (CBC_Codeword*)m_codewords->GetAt(i);
}
m_codewords->RemoveAll();
delete m_codewords;
}
CBC_Codeword* CBC_DetectionResultColumn::getCodewordNearby(FX_INT32 imageRow)
{
CBC_Codeword* codeword = getCodeword(imageRow);
if (codeword != NULL) {
return codeword;
}
for (FX_INT32 i = 1; i < MAX_NEARBY_DISTANCE; i++) {
FX_INT32 nearImageRow = imageRowToCodewordIndex(imageRow) - i;
if (nearImageRow >= 0) {
codeword = (CBC_Codeword*)m_codewords->GetAt(nearImageRow);
if (codeword != NULL) {
return codeword;
}
}
nearImageRow = imageRowToCodewordIndex(imageRow) + i;
if (nearImageRow < m_codewords->GetSize()) {
codeword = (CBC_Codeword*)m_codewords->GetAt(nearImageRow);
if (codeword != NULL) {
return codeword;
}
}
}
return NULL;
}
FX_INT32 CBC_DetectionResultColumn::imageRowToCodewordIndex(FX_INT32 imageRow)
{
return imageRow - m_boundingBox->getMinY();
}
FX_INT32 CBC_DetectionResultColumn::codewordIndexToImageRow(FX_INT32 codewordIndex)
{
return m_boundingBox->getMinY() + codewordIndex;
}
void CBC_DetectionResultColumn::setCodeword(FX_INT32 imageRow, CBC_Codeword* codeword)
{
m_codewords->SetAt(imageRowToCodewordIndex(imageRow), codeword);
}
CBC_Codeword* CBC_DetectionResultColumn::getCodeword(FX_INT32 imageRow)
{
return (CBC_Codeword*)m_codewords->GetAt(imageRowToCodewordIndex(imageRow));
}
CBC_BoundingBox* CBC_DetectionResultColumn::getBoundingBox()
{
return m_boundingBox;
}
CFX_PtrArray* CBC_DetectionResultColumn::getCodewords()
{
return m_codewords;
}
CFX_ByteString CBC_DetectionResultColumn::toString()
{
CFX_ByteString result;
FX_INT32 row = 0;
for (FX_INT32 i = 0; i < m_codewords->GetSize(); i++) {
CBC_Codeword* codeword = (CBC_Codeword*)m_codewords->GetAt(i);
if (codeword == NULL) {
result += (FX_CHAR) row;
row++;
continue;
}
result += (FX_CHAR) row;
result += codeword->getRowNumber();
result += codeword->getValue();
row++;
}
return result;
}
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