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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_PDF417BarcodeMetadata.h"
#include "BC_PDF417BoundingBox.h"
#include "BC_PDF417DetectionResultColumn.h"
#include "BC_PDF417Common.h"
#include "BC_PDF417DetectionResultRowIndicatorColumn.h"
#include "BC_PDF417DetectionResult.h"
FX_INT32 CBC_DetectionResult::ADJUST_ROW_NUMBER_SKIP = 2;
CBC_DetectionResult::CBC_DetectionResult(CBC_BarcodeMetadata* barcodeMetadata, CBC_BoundingBox* boundingBox)
{
m_barcodeMetadata = barcodeMetadata;
m_barcodeColumnCount = barcodeMetadata->getColumnCount();
m_boundingBox = boundingBox;
m_detectionResultColumns.SetSize(m_barcodeColumnCount + 2);
for (FX_INT32 i = 0; i < m_barcodeColumnCount + 2; i++) {
m_detectionResultColumns[i] = NULL;
}
}
CBC_DetectionResult::~CBC_DetectionResult()
{
delete m_boundingBox;
delete m_barcodeMetadata;
m_detectionResultColumns.RemoveAll();
}
CFX_PtrArray& CBC_DetectionResult::getDetectionResultColumns()
{
adjustIndicatorColumnRowNumbers((CBC_DetectionResultColumn*)m_detectionResultColumns.GetAt(0));
adjustIndicatorColumnRowNumbers((CBC_DetectionResultColumn*)m_detectionResultColumns.GetAt(m_barcodeColumnCount + 1));
FX_INT32 unadjustedCodewordCount = CBC_PDF417Common::MAX_CODEWORDS_IN_BARCODE;
FX_INT32 previousUnadjustedCount;
do {
previousUnadjustedCount = unadjustedCodewordCount;
unadjustedCodewordCount = adjustRowNumbers();
} while (unadjustedCodewordCount > 0 && unadjustedCodewordCount < previousUnadjustedCount);
return m_detectionResultColumns;
}
void CBC_DetectionResult::setBoundingBox(CBC_BoundingBox* boundingBox)
{
m_boundingBox = boundingBox;
}
CBC_BoundingBox* CBC_DetectionResult::getBoundingBox()
{
return m_boundingBox;
}
void CBC_DetectionResult::setDetectionResultColumn(FX_INT32 barcodeColumn, CBC_DetectionResultColumn* detectionResultColumn)
{
m_detectionResultColumns[barcodeColumn] = detectionResultColumn;
}
CBC_DetectionResultColumn* CBC_DetectionResult::getDetectionResultColumn(FX_INT32 barcodeColumn)
{
return (CBC_DetectionResultColumn*)m_detectionResultColumns[barcodeColumn];
}
CFX_ByteString CBC_DetectionResult::toString()
{
CBC_DetectionResultColumn* rowIndicatorColumn = (CBC_DetectionResultColumn*)m_detectionResultColumns[0];
if (rowIndicatorColumn == NULL) {
rowIndicatorColumn = (CBC_DetectionResultColumn*)m_detectionResultColumns[m_barcodeColumnCount + 1];
}
CFX_ByteString result;
for (FX_INT32 codewordsRow = 0; codewordsRow < rowIndicatorColumn->getCodewords()->GetSize(); codewordsRow++) {
result += (FX_CHAR) codewordsRow;
for (FX_INT32 barcodeColumn = 0; barcodeColumn < m_barcodeColumnCount + 2; barcodeColumn++) {
if (m_detectionResultColumns[barcodeColumn] == NULL) {
result += " | ";
continue;
}
CBC_Codeword* codeword = (CBC_Codeword*)((CBC_DetectionResultColumn*)m_detectionResultColumns[barcodeColumn])->getCodewords()->GetAt(codewordsRow);
if (codeword == NULL) {
result += " | ";
continue;
}
result += codeword->getRowNumber();
result += codeword->getValue();
}
}
return result;
}
void CBC_DetectionResult::adjustIndicatorColumnRowNumbers(CBC_DetectionResultColumn* detectionResultColumn)
{
if (detectionResultColumn != NULL) {
((CBC_DetectionResultRowIndicatorColumn*)detectionResultColumn)->adjustCompleteIndicatorColumnRowNumbers(*m_barcodeMetadata);
}
}
FX_INT32 CBC_DetectionResult::adjustRowNumbers()
{
FX_INT32 unadjustedCount = adjustRowNumbersByRow();
if (unadjustedCount == 0) {
return 0;
}
for (FX_INT32 barcodeColumn = 1; barcodeColumn < m_barcodeColumnCount + 1; barcodeColumn++) {
CFX_PtrArray* codewords = ((CBC_DetectionResultColumn*)m_detectionResultColumns[barcodeColumn])->getCodewords();
for (FX_INT32 codewordsRow = 0; codewordsRow < codewords->GetSize(); codewordsRow++) {
if (codewords->GetAt(codewordsRow) == NULL) {
continue;
}
if (!((CBC_Codeword*)codewords->GetAt(codewordsRow))->hasValidRowNumber()) {
adjustRowNumbers(barcodeColumn, codewordsRow, codewords);
}
}
}
return unadjustedCount;
}
FX_INT32 CBC_DetectionResult::adjustRowNumbersByRow()
{
adjustRowNumbersFromBothRI();
FX_INT32 unadjustedCount = adjustRowNumbersFromLRI();
return unadjustedCount + adjustRowNumbersFromRRI();
}
FX_INT32 CBC_DetectionResult::adjustRowNumbersFromBothRI()
{
if (m_detectionResultColumns[0] == NULL || m_detectionResultColumns[m_barcodeColumnCount + 1] == NULL) {
return 0;
}
CFX_PtrArray* LRIcodewords = ((CBC_DetectionResultColumn*)m_detectionResultColumns[0])->getCodewords();
CFX_PtrArray* RRIcodewords = ((CBC_DetectionResultColumn*)m_detectionResultColumns[m_barcodeColumnCount + 1])->getCodewords();
for (FX_INT32 codewordsRow = 0; codewordsRow < LRIcodewords->GetSize(); codewordsRow++) {
if (LRIcodewords->GetAt(codewordsRow) != NULL &&
RRIcodewords->GetAt(codewordsRow) != NULL &&
((CBC_Codeword*)LRIcodewords->GetAt(codewordsRow))->getRowNumber() == ((CBC_Codeword*)RRIcodewords->GetAt(codewordsRow))->getRowNumber()) {
for (FX_INT32 barcodeColumn = 1; barcodeColumn <= m_barcodeColumnCount; barcodeColumn++) {
CBC_Codeword* codeword = (CBC_Codeword*)((CBC_DetectionResultColumn*)m_detectionResultColumns[barcodeColumn])->getCodewords()->GetAt(codewordsRow);
if (codeword == NULL) {
continue;
}
codeword->setRowNumber(((CBC_Codeword*)LRIcodewords->GetAt(codewordsRow))->getRowNumber());
if (!codeword->hasValidRowNumber()) {
((CBC_DetectionResultColumn*)m_detectionResultColumns[barcodeColumn])->getCodewords()->SetAt(codewordsRow, NULL);
}
}
}
}
return 0;
}
FX_INT32 CBC_DetectionResult::adjustRowNumbersFromRRI()
{
if (m_detectionResultColumns[m_barcodeColumnCount + 1] == NULL) {
return 0;
}
FX_INT32 unadjustedCount = 0;
CFX_PtrArray* codewords = ((CBC_DetectionResultColumn*) m_detectionResultColumns.GetAt(m_barcodeColumnCount + 1))->getCodewords();
for (FX_INT32 codewordsRow = 0; codewordsRow < codewords->GetSize(); codewordsRow++) {
if (codewords->GetAt(codewordsRow) == NULL) {
continue;
}
FX_INT32 rowIndicatorRowNumber = ((CBC_Codeword*)codewords->GetAt(codewordsRow))->getRowNumber();
FX_INT32 invalidRowCounts = 0;
for (FX_INT32 barcodeColumn = m_barcodeColumnCount + 1; barcodeColumn > 0 && invalidRowCounts < ADJUST_ROW_NUMBER_SKIP; barcodeColumn--) {
CBC_Codeword* codeword = (CBC_Codeword*)((CBC_DetectionResultColumn*)m_detectionResultColumns.GetAt(barcodeColumn))->getCodewords()->GetAt(codewordsRow);
if (codeword != NULL) {
invalidRowCounts = adjustRowNumberIfValid(rowIndicatorRowNumber, invalidRowCounts, codeword);
if (!codeword->hasValidRowNumber()) {
unadjustedCount++;
}
}
}
}
return unadjustedCount;
}
FX_INT32 CBC_DetectionResult::adjustRowNumbersFromLRI()
{
if (m_detectionResultColumns[0] == NULL) {
return 0;
}
FX_INT32 unadjustedCount = 0;
CFX_PtrArray* codewords = ((CBC_DetectionResultColumn*)m_detectionResultColumns.GetAt(0))->getCodewords();
for (FX_INT32 codewordsRow = 0; codewordsRow < codewords->GetSize(); codewordsRow++) {
if (codewords->GetAt(codewordsRow) == NULL) {
continue;
}
FX_INT32 rowIndicatorRowNumber = ((CBC_Codeword*)codewords->GetAt(codewordsRow))->getRowNumber();
FX_INT32 invalidRowCounts = 0;
for (FX_INT32 barcodeColumn = 1; barcodeColumn < m_barcodeColumnCount + 1 && invalidRowCounts < ADJUST_ROW_NUMBER_SKIP; barcodeColumn++) {
CBC_Codeword* codeword = (CBC_Codeword*)((CBC_DetectionResultColumn*)m_detectionResultColumns[barcodeColumn])->getCodewords()->GetAt(codewordsRow);
if (codeword != NULL) {
invalidRowCounts = adjustRowNumberIfValid(rowIndicatorRowNumber, invalidRowCounts, codeword);
if (!codeword->hasValidRowNumber()) {
unadjustedCount++;
}
}
}
}
return unadjustedCount;
}
FX_INT32 CBC_DetectionResult::adjustRowNumberIfValid(FX_INT32 rowIndicatorRowNumber, FX_INT32 invalidRowCounts, CBC_Codeword* codeword)
{
if (codeword == NULL) {
return invalidRowCounts;
}
if (!codeword->hasValidRowNumber()) {
if (codeword->isValidRowNumber(rowIndicatorRowNumber)) {
codeword->setRowNumber(rowIndicatorRowNumber);
invalidRowCounts = 0;
} else {
++invalidRowCounts;
}
}
return invalidRowCounts;
}
void CBC_DetectionResult::adjustRowNumbers(FX_INT32 barcodeColumn, FX_INT32 codewordsRow, CFX_PtrArray* codewords)
{
CBC_Codeword* codeword = (CBC_Codeword*)codewords->GetAt(codewordsRow);
CFX_PtrArray* previousColumnCodewords = ((CBC_DetectionResultColumn*)m_detectionResultColumns.GetAt(barcodeColumn - 1))->getCodewords();
CFX_PtrArray* nextColumnCodewords = previousColumnCodewords;
if (m_detectionResultColumns[barcodeColumn + 1] != NULL) {
nextColumnCodewords = ((CBC_DetectionResultColumn*)m_detectionResultColumns[barcodeColumn + 1])->getCodewords();
}
CFX_PtrArray otherCodewords;
otherCodewords.SetSize(14);
otherCodewords[2] = previousColumnCodewords->GetAt(codewordsRow);
otherCodewords[3] = nextColumnCodewords->GetAt(codewordsRow);
if (codewordsRow > 0) {
otherCodewords[0] = codewords->GetAt(codewordsRow - 1);
otherCodewords[4] = previousColumnCodewords->GetAt(codewordsRow - 1);
otherCodewords[5] = nextColumnCodewords->GetAt(codewordsRow - 1);
}
if (codewordsRow > 1) {
otherCodewords[8] = codewords->GetAt(codewordsRow - 2);
otherCodewords[10] = previousColumnCodewords->GetAt(codewordsRow - 2);
otherCodewords[11] = nextColumnCodewords->GetAt(codewordsRow - 2);
}
if (codewordsRow < codewords->GetSize() - 1) {
otherCodewords[1] = codewords->GetAt(codewordsRow + 1);
otherCodewords[6] = previousColumnCodewords->GetAt(codewordsRow + 1);
otherCodewords[7] = nextColumnCodewords->GetAt(codewordsRow + 1);
}
if (codewordsRow < codewords->GetSize() - 2) {
otherCodewords[9] = codewords->GetAt(codewordsRow + 2);
otherCodewords[12] = previousColumnCodewords->GetAt(codewordsRow + 2);
otherCodewords[13] = nextColumnCodewords->GetAt(codewordsRow + 2);
}
for (FX_INT32 i = 0; i < otherCodewords.GetSize(); i++) {
CBC_Codeword* otherCodeword = (CBC_Codeword*)otherCodewords.GetAt(i);
if (adjustRowNumber(codeword, otherCodeword)) {
return;
}
}
}
FX_BOOL CBC_DetectionResult::adjustRowNumber(CBC_Codeword* codeword, CBC_Codeword* otherCodeword)
{
if (otherCodeword == NULL) {
return FALSE;
}
if (otherCodeword->hasValidRowNumber() && otherCodeword->getBucket() == codeword->getBucket()) {
codeword->setRowNumber(otherCodeword->getRowNumber());
return TRUE;
}
return FALSE;
}
FX_INT32 CBC_DetectionResult::getBarcodeColumnCount()
{
return m_barcodeColumnCount;
}
FX_INT32 CBC_DetectionResult::getBarcodeRowCount()
{
return m_barcodeMetadata->getRowCount();
}
FX_INT32 CBC_DetectionResult::getBarcodeECLevel()
{
return m_barcodeMetadata->getErrorCorrectionLevel();
}
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