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Diffstat (limited to 'xfa/fxbarcode/pdf417/BC_PDF417DetectionResultRowIndicatorColumn.cpp')
-rw-r--r--xfa/fxbarcode/pdf417/BC_PDF417DetectionResultRowIndicatorColumn.cpp267
1 files changed, 267 insertions, 0 deletions
diff --git a/xfa/fxbarcode/pdf417/BC_PDF417DetectionResultRowIndicatorColumn.cpp b/xfa/fxbarcode/pdf417/BC_PDF417DetectionResultRowIndicatorColumn.cpp
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+++ b/xfa/fxbarcode/pdf417/BC_PDF417DetectionResultRowIndicatorColumn.cpp
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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 "core/include/fxcrt/fx_basic.h"
+#include "xfa/fxbarcode/BC_ResultPoint.h"
+#include "xfa/fxbarcode/pdf417/BC_PDF417BarcodeMetadata.h"
+#include "xfa/fxbarcode/pdf417/BC_PDF417BarcodeValue.h"
+#include "xfa/fxbarcode/pdf417/BC_PDF417BoundingBox.h"
+#include "xfa/fxbarcode/pdf417/BC_PDF417Codeword.h"
+#include "xfa/fxbarcode/pdf417/BC_PDF417Common.h"
+#include "xfa/fxbarcode/pdf417/BC_PDF417DetectionResultColumn.h"
+#include "xfa/fxbarcode/pdf417/BC_PDF417DetectionResultRowIndicatorColumn.h"
+#include "xfa/fxbarcode/utils.h"
+
+CBC_DetectionResultRowIndicatorColumn::CBC_DetectionResultRowIndicatorColumn(
+ CBC_BoundingBox* boundingBox,
+ FX_BOOL isLeft)
+ : CBC_DetectionResultColumn(boundingBox) {
+ m_isLeft = isLeft;
+}
+CBC_DetectionResultRowIndicatorColumn::
+ ~CBC_DetectionResultRowIndicatorColumn() {}
+void CBC_DetectionResultRowIndicatorColumn::setRowNumbers() {
+ for (int32_t i = 0; i < m_codewords->GetSize(); i++) {
+ CBC_Codeword* codeword = (CBC_Codeword*)m_codewords->GetAt(i);
+ if (codeword) {
+ codeword->setRowNumberAsRowIndicatorColumn();
+ }
+ }
+}
+int32_t
+CBC_DetectionResultRowIndicatorColumn::adjustCompleteIndicatorColumnRowNumbers(
+ CBC_BarcodeMetadata barcodeMetadata) {
+ CFX_PtrArray* codewords = getCodewords();
+ setRowNumbers();
+ removeIncorrectCodewords(codewords, barcodeMetadata);
+ CBC_BoundingBox* boundingBox = getBoundingBox();
+ CBC_ResultPoint* top =
+ m_isLeft ? boundingBox->getTopLeft() : boundingBox->getTopRight();
+ CBC_ResultPoint* bottom =
+ m_isLeft ? boundingBox->getBottomLeft() : boundingBox->getBottomRight();
+ int32_t firstRow = imageRowToCodewordIndex((int32_t)top->GetY());
+ int32_t lastRow = imageRowToCodewordIndex((int32_t)bottom->GetY());
+ FX_FLOAT averageRowHeight =
+ (lastRow - firstRow) / (FX_FLOAT)barcodeMetadata.getRowCount();
+ int32_t barcodeRow = -1;
+ int32_t maxRowHeight = 1;
+ int32_t currentRowHeight = 0;
+ for (int32_t codewordsRow = firstRow; codewordsRow < lastRow;
+ codewordsRow++) {
+ if (codewords->GetAt(codewordsRow) == NULL) {
+ continue;
+ }
+ CBC_Codeword* codeword = (CBC_Codeword*)codewords->GetAt(codewordsRow);
+ int32_t rowDifference = codeword->getRowNumber() - barcodeRow;
+ if (rowDifference == 0) {
+ currentRowHeight++;
+ } else if (rowDifference == 1) {
+ maxRowHeight =
+ maxRowHeight > currentRowHeight ? maxRowHeight : currentRowHeight;
+ currentRowHeight = 1;
+ barcodeRow = codeword->getRowNumber();
+ } else if (rowDifference < 0) {
+ codewords->SetAt(codewordsRow, NULL);
+ } else if (codeword->getRowNumber() >= barcodeMetadata.getRowCount()) {
+ codewords->SetAt(codewordsRow, NULL);
+ } else if (rowDifference > codewordsRow) {
+ codewords->SetAt(codewordsRow, NULL);
+ } else {
+ int32_t checkedRows;
+ if (maxRowHeight > 2) {
+ checkedRows = (maxRowHeight - 2) * rowDifference;
+ } else {
+ checkedRows = rowDifference;
+ }
+ FX_BOOL closePreviousCodewordFound = checkedRows >= codewordsRow;
+ for (int32_t i = 1; i <= checkedRows && !closePreviousCodewordFound;
+ i++) {
+ closePreviousCodewordFound = codewords->GetAt(codewordsRow - i) != NULL;
+ }
+ if (closePreviousCodewordFound) {
+ codewords->SetAt(codewordsRow, NULL);
+ } else {
+ barcodeRow = codeword->getRowNumber();
+ currentRowHeight = 1;
+ }
+ }
+ }
+ return (int32_t)(averageRowHeight + 0.5);
+}
+CFX_Int32Array* CBC_DetectionResultRowIndicatorColumn::getRowHeights(
+ int32_t& e) {
+ CBC_BarcodeMetadata* barcodeMetadata = getBarcodeMetadata();
+ if (barcodeMetadata == NULL) {
+ e = BCExceptionCannotMetadata;
+ return NULL;
+ }
+ adjustIncompleteIndicatorColumnRowNumbers(*barcodeMetadata);
+ CFX_Int32Array* result = new CFX_Int32Array;
+ result->SetSize(barcodeMetadata->getRowCount());
+ for (int32_t i = 0; i < getCodewords()->GetSize(); i++) {
+ CBC_Codeword* codeword = (CBC_Codeword*)getCodewords()->GetAt(i);
+ if (codeword) {
+ result->SetAt(codeword->getRowNumber(),
+ result->GetAt(codeword->getRowNumber()) + 1);
+ }
+ }
+ return result;
+}
+int32_t CBC_DetectionResultRowIndicatorColumn::
+ adjustIncompleteIndicatorColumnRowNumbers(
+ CBC_BarcodeMetadata barcodeMetadata) {
+ CBC_BoundingBox* boundingBox = getBoundingBox();
+ CBC_ResultPoint* top =
+ m_isLeft ? boundingBox->getTopLeft() : boundingBox->getTopRight();
+ CBC_ResultPoint* bottom =
+ m_isLeft ? boundingBox->getBottomLeft() : boundingBox->getBottomRight();
+ int32_t firstRow = imageRowToCodewordIndex((int32_t)top->GetY());
+ int32_t lastRow = imageRowToCodewordIndex((int32_t)bottom->GetY());
+ FX_FLOAT averageRowHeight =
+ (lastRow - firstRow) / (FX_FLOAT)barcodeMetadata.getRowCount();
+ CFX_PtrArray* codewords = getCodewords();
+ int32_t barcodeRow = -1;
+ int32_t maxRowHeight = 1;
+ int32_t currentRowHeight = 0;
+ for (int32_t codewordsRow = firstRow; codewordsRow < lastRow;
+ codewordsRow++) {
+ if (codewords->GetAt(codewordsRow) == NULL) {
+ continue;
+ }
+ CBC_Codeword* codeword = (CBC_Codeword*)codewords->GetAt(codewordsRow);
+ codeword->setRowNumberAsRowIndicatorColumn();
+ int32_t rowDifference = codeword->getRowNumber() - barcodeRow;
+ if (rowDifference == 0) {
+ currentRowHeight++;
+ } else if (rowDifference == 1) {
+ maxRowHeight =
+ maxRowHeight > currentRowHeight ? maxRowHeight : currentRowHeight;
+ currentRowHeight = 1;
+ barcodeRow = codeword->getRowNumber();
+ } else if (codeword->getRowNumber() >= barcodeMetadata.getRowCount()) {
+ codewords->SetAt(codewordsRow, NULL);
+ } else {
+ barcodeRow = codeword->getRowNumber();
+ currentRowHeight = 1;
+ }
+ }
+ return (int32_t)(averageRowHeight + 0.5);
+}
+CBC_BarcodeMetadata*
+CBC_DetectionResultRowIndicatorColumn::getBarcodeMetadata() {
+ CFX_PtrArray* codewords = getCodewords();
+ CBC_BarcodeValue barcodeColumnCount;
+ CBC_BarcodeValue barcodeRowCountUpperPart;
+ CBC_BarcodeValue barcodeRowCountLowerPart;
+ CBC_BarcodeValue barcodeECLevel;
+ for (int32_t i = 0; i < codewords->GetSize(); i++) {
+ CBC_Codeword* codeword = (CBC_Codeword*)codewords->GetAt(i);
+ if (codeword == NULL) {
+ continue;
+ }
+ codeword->setRowNumberAsRowIndicatorColumn();
+ int32_t rowIndicatorValue = codeword->getValue() % 30;
+ int32_t codewordRowNumber = codeword->getRowNumber();
+ if (!m_isLeft) {
+ codewordRowNumber += 2;
+ }
+ switch (codewordRowNumber % 3) {
+ case 0:
+ barcodeRowCountUpperPart.setValue(rowIndicatorValue * 3 + 1);
+ break;
+ case 1:
+ barcodeECLevel.setValue(rowIndicatorValue / 3);
+ barcodeRowCountLowerPart.setValue(rowIndicatorValue % 3);
+ break;
+ case 2:
+ barcodeColumnCount.setValue(rowIndicatorValue + 1);
+ break;
+ }
+ }
+ if ((barcodeColumnCount.getValue()->GetSize() == 0) ||
+ (barcodeRowCountUpperPart.getValue()->GetSize() == 0) ||
+ (barcodeRowCountLowerPart.getValue()->GetSize() == 0) ||
+ (barcodeECLevel.getValue()->GetSize() == 0) ||
+ barcodeColumnCount.getValue()->GetAt(0) < 1 ||
+ barcodeRowCountUpperPart.getValue()->GetAt(0) +
+ barcodeRowCountLowerPart.getValue()->GetAt(0) <
+ CBC_PDF417Common::MIN_ROWS_IN_BARCODE ||
+ barcodeRowCountUpperPart.getValue()->GetAt(0) +
+ barcodeRowCountLowerPart.getValue()->GetAt(0) >
+ CBC_PDF417Common::MAX_ROWS_IN_BARCODE) {
+ return NULL;
+ }
+ CBC_BarcodeMetadata* barcodeMetadata =
+ new CBC_BarcodeMetadata(barcodeColumnCount.getValue()->GetAt(0),
+ barcodeRowCountUpperPart.getValue()->GetAt(0),
+ barcodeRowCountLowerPart.getValue()->GetAt(0),
+ barcodeECLevel.getValue()->GetAt(0));
+ removeIncorrectCodewords(codewords, *barcodeMetadata);
+ return barcodeMetadata;
+}
+FX_BOOL CBC_DetectionResultRowIndicatorColumn::isLeft() {
+ return m_isLeft;
+}
+CFX_ByteString CBC_DetectionResultRowIndicatorColumn::toString() {
+ return (CFX_ByteString) "IsLeft: " + (CFX_ByteString)m_isLeft + '\n' +
+ CBC_DetectionResultColumn::toString();
+}
+void CBC_DetectionResultRowIndicatorColumn::removeIncorrectCodewords(
+ CFX_PtrArray* codewords,
+ CBC_BarcodeMetadata barcodeMetadata) {
+ for (int32_t codewordRow = 0; codewordRow < codewords->GetSize();
+ codewordRow++) {
+ CBC_Codeword* codeword = (CBC_Codeword*)codewords->GetAt(codewordRow);
+ if (codeword == NULL) {
+ continue;
+ }
+ int32_t rowIndicatorValue = codeword->getValue() % 30;
+ int32_t codewordRowNumber = codeword->getRowNumber();
+ if (codewordRowNumber > barcodeMetadata.getRowCount()) {
+ codewords->SetAt(codewordRow, NULL);
+ continue;
+ }
+ if (!m_isLeft) {
+ codewordRowNumber += 2;
+ }
+ switch (codewordRowNumber % 3) {
+ case 0:
+ if (rowIndicatorValue * 3 + 1 !=
+ barcodeMetadata.getRowCountUpperPart()) {
+ codewords->SetAt(codewordRow, NULL);
+ }
+ break;
+ case 1:
+ if (rowIndicatorValue / 3 !=
+ barcodeMetadata.getErrorCorrectionLevel() ||
+ rowIndicatorValue % 3 != barcodeMetadata.getRowCountLowerPart()) {
+ codewords->SetAt(codewordRow, NULL);
+ }
+ break;
+ case 2:
+ if (rowIndicatorValue + 1 != barcodeMetadata.getColumnCount()) {
+ codewords->SetAt(codewordRow, NULL);
+ }
+ break;
+ }
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-01 10:36:38 +0000