| // 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 "xfa/fxbarcode/pdf417/BC_PDF417BarcodeMetadata.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_PDF417DetectionResult.h" |
| #include "xfa/fxbarcode/pdf417/BC_PDF417DetectionResultColumn.h" |
| #include "xfa/fxbarcode/pdf417/BC_PDF417DetectionResultRowIndicatorColumn.h" |
| |
| int32_t 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 (int32_t 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)); |
| int32_t unadjustedCodewordCount = CBC_PDF417Common::MAX_CODEWORDS_IN_BARCODE; |
| int32_t 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( |
| int32_t barcodeColumn, |
| CBC_DetectionResultColumn* detectionResultColumn) { |
| m_detectionResultColumns[barcodeColumn] = detectionResultColumn; |
| } |
| CBC_DetectionResultColumn* CBC_DetectionResult::getDetectionResultColumn( |
| int32_t 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 (int32_t codewordsRow = 0; |
| codewordsRow < rowIndicatorColumn->getCodewords()->GetSize(); |
| codewordsRow++) { |
| result += (FX_CHAR)codewordsRow; |
| for (int32_t 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) { |
| ((CBC_DetectionResultRowIndicatorColumn*)detectionResultColumn) |
| ->adjustCompleteIndicatorColumnRowNumbers(*m_barcodeMetadata); |
| } |
| } |
| int32_t CBC_DetectionResult::adjustRowNumbers() { |
| int32_t unadjustedCount = adjustRowNumbersByRow(); |
| if (unadjustedCount == 0) { |
| return 0; |
| } |
| for (int32_t barcodeColumn = 1; barcodeColumn < m_barcodeColumnCount + 1; |
| barcodeColumn++) { |
| CFX_PtrArray* codewords = |
| ((CBC_DetectionResultColumn*)m_detectionResultColumns[barcodeColumn]) |
| ->getCodewords(); |
| for (int32_t 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; |
| } |
| int32_t CBC_DetectionResult::adjustRowNumbersByRow() { |
| adjustRowNumbersFromBothRI(); |
| int32_t unadjustedCount = adjustRowNumbersFromLRI(); |
| return unadjustedCount + adjustRowNumbersFromRRI(); |
| } |
| int32_t 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 (int32_t codewordsRow = 0; codewordsRow < LRIcodewords->GetSize(); |
| codewordsRow++) { |
| if (LRIcodewords->GetAt(codewordsRow) && |
| RRIcodewords->GetAt(codewordsRow) && |
| ((CBC_Codeword*)LRIcodewords->GetAt(codewordsRow))->getRowNumber() == |
| ((CBC_Codeword*)RRIcodewords->GetAt(codewordsRow)) |
| ->getRowNumber()) { |
| for (int32_t 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; |
| } |
| int32_t CBC_DetectionResult::adjustRowNumbersFromRRI() { |
| if (m_detectionResultColumns[m_barcodeColumnCount + 1] == NULL) { |
| return 0; |
| } |
| int32_t unadjustedCount = 0; |
| CFX_PtrArray* codewords = |
| ((CBC_DetectionResultColumn*)m_detectionResultColumns.GetAt( |
| m_barcodeColumnCount + 1)) |
| ->getCodewords(); |
| for (int32_t codewordsRow = 0; codewordsRow < codewords->GetSize(); |
| codewordsRow++) { |
| if (codewords->GetAt(codewordsRow) == NULL) { |
| continue; |
| } |
| int32_t rowIndicatorRowNumber = |
| ((CBC_Codeword*)codewords->GetAt(codewordsRow))->getRowNumber(); |
| int32_t invalidRowCounts = 0; |
| for (int32_t 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) { |
| invalidRowCounts = adjustRowNumberIfValid(rowIndicatorRowNumber, |
| invalidRowCounts, codeword); |
| if (!codeword->hasValidRowNumber()) { |
| unadjustedCount++; |
| } |
| } |
| } |
| } |
| return unadjustedCount; |
| } |
| int32_t CBC_DetectionResult::adjustRowNumbersFromLRI() { |
| if (m_detectionResultColumns[0] == NULL) { |
| return 0; |
| } |
| int32_t unadjustedCount = 0; |
| CFX_PtrArray* codewords = |
| ((CBC_DetectionResultColumn*)m_detectionResultColumns.GetAt(0)) |
| ->getCodewords(); |
| for (int32_t codewordsRow = 0; codewordsRow < codewords->GetSize(); |
| codewordsRow++) { |
| if (codewords->GetAt(codewordsRow) == NULL) { |
| continue; |
| } |
| int32_t rowIndicatorRowNumber = |
| ((CBC_Codeword*)codewords->GetAt(codewordsRow))->getRowNumber(); |
| int32_t invalidRowCounts = 0; |
| for (int32_t 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) { |
| invalidRowCounts = adjustRowNumberIfValid(rowIndicatorRowNumber, |
| invalidRowCounts, codeword); |
| if (!codeword->hasValidRowNumber()) { |
| unadjustedCount++; |
| } |
| } |
| } |
| } |
| return unadjustedCount; |
| } |
| int32_t CBC_DetectionResult::adjustRowNumberIfValid( |
| int32_t rowIndicatorRowNumber, |
| int32_t 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(int32_t barcodeColumn, |
| int32_t 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]) { |
| 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 (int32_t 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; |
| } |
| int32_t CBC_DetectionResult::getBarcodeColumnCount() { |
| return m_barcodeColumnCount; |
| } |
| int32_t CBC_DetectionResult::getBarcodeRowCount() { |
| return m_barcodeMetadata->getRowCount(); |
| } |
| int32_t CBC_DetectionResult::getBarcodeECLevel() { |
| return m_barcodeMetadata->getErrorCorrectionLevel(); |
| } |
