Organize barcode codes into modules.

xfa/src/fxbarcode/src/BC_PDF417DetectionResultRowIndicatorColumn.cpp

-// 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 "include/BC_ResultPoint.h"
-#include "include/BC_PDF417BarcodeMetadata.h"
-#include "include/BC_PDF417BoundingBox.h"
-#include "include/BC_PDF417Codeword.h"
-#include "include/BC_PDF417BarcodeValue.h"
-#include "include/BC_PDF417Common.h"
-#include "include/BC_PDF417DetectionResultColumn.h"
-#include "include/BC_PDF417DetectionResultRowIndicatorColumn.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 (FX_INT32 i = 0; i < m_codewords->GetSize(); i++) {
-        CBC_Codeword * codeword = (CBC_Codeword*)m_codewords->GetAt(i);
-        if (codeword != NULL) {
-            codeword->setRowNumberAsRowIndicatorColumn();
-        }
-    }
-}
-FX_INT32 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();
-    FX_INT32 firstRow = imageRowToCodewordIndex((FX_INT32) top->GetY());
-    FX_INT32 lastRow = imageRowToCodewordIndex((FX_INT32) bottom->GetY());
-    FX_FLOAT averageRowHeight = (lastRow - firstRow) / (FX_FLOAT) barcodeMetadata.getRowCount();
-    FX_INT32 barcodeRow = -1;
-    FX_INT32 maxRowHeight = 1;
-    FX_INT32 currentRowHeight = 0;
-    for (FX_INT32 codewordsRow = firstRow; codewordsRow < lastRow; codewordsRow++) {
-        if (codewords->GetAt(codewordsRow) == NULL) {
-            continue;
-        }
-        CBC_Codeword* codeword = (CBC_Codeword*)codewords->GetAt(codewordsRow);
-        FX_INT32 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 {
-            FX_INT32 checkedRows;
-            if (maxRowHeight > 2) {
-                checkedRows = (maxRowHeight - 2) * rowDifference;
-            } else {
-                checkedRows = rowDifference;
-            }
-            FX_BOOL closePreviousCodewordFound = checkedRows >= codewordsRow;
-            for (FX_INT32 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 (FX_INT32) (averageRowHeight + 0.5);
-}
-CFX_Int32Array* CBC_DetectionResultRowIndicatorColumn::getRowHeights(FX_INT32 &e)
-{
-    CBC_BarcodeMetadata* barcodeMetadata = getBarcodeMetadata();
-    if (barcodeMetadata == NULL) {
-        e = BCExceptionCannotMetadata;
-        return NULL;
-    }
-    adjustIncompleteIndicatorColumnRowNumbers(*barcodeMetadata);
-    CFX_Int32Array* result = FX_NEW CFX_Int32Array;
-    result->SetSize(barcodeMetadata->getRowCount());
-    for (FX_INT32 i = 0; i < getCodewords()->GetSize(); i++) {
-        CBC_Codeword* codeword = (CBC_Codeword*)getCodewords()->GetAt(i);
-        if (codeword != NULL) {
-            result->SetAt(codeword->getRowNumber(),  result->GetAt(codeword->getRowNumber()) + 1);
-        }
-    }
-    return result;
-}
-FX_INT32 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();
-    FX_INT32 firstRow = imageRowToCodewordIndex((FX_INT32) top->GetY());
-    FX_INT32 lastRow = imageRowToCodewordIndex((FX_INT32) bottom->GetY());
-    FX_FLOAT averageRowHeight = (lastRow - firstRow) / (FX_FLOAT) barcodeMetadata.getRowCount();
-    CFX_PtrArray* codewords = getCodewords();
-    FX_INT32 barcodeRow = -1;
-    FX_INT32 maxRowHeight = 1;
-    FX_INT32 currentRowHeight = 0;
-    for (FX_INT32 codewordsRow = firstRow; codewordsRow < lastRow; codewordsRow++) {
-        if (codewords->GetAt(codewordsRow) == NULL) {
-            continue;
-        }
-        CBC_Codeword* codeword = (CBC_Codeword*)codewords->GetAt(codewordsRow);
-        codeword->setRowNumberAsRowIndicatorColumn();
-        FX_INT32 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 (FX_INT32) (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 (FX_INT32 i = 0; i < codewords->GetSize(); i++) {
-        CBC_Codeword* codeword = (CBC_Codeword*)codewords->GetAt(i);
-        if (codeword == NULL) {
-            continue;
-        }
-        codeword->setRowNumberAsRowIndicatorColumn();
-        FX_INT32 rowIndicatorValue = codeword->getValue() % 30;
-        FX_INT32 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 = FX_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 (FX_INT32 codewordRow = 0; codewordRow < codewords->GetSize(); codewordRow++) {
-        CBC_Codeword* codeword = (CBC_Codeword*)codewords->GetAt(codewordRow);
-        if (codeword == NULL) {
-            continue;
-        }
-        FX_INT32 rowIndicatorValue = codeword->getValue() % 30;
-        FX_INT32 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;
-        }
-    }
-}