// 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 2009 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 <limits> #include "xfa/fxbarcode/BC_BinaryBitmap.h" #include "xfa/fxbarcode/BC_BinaryBitmap.h" #include "xfa/fxbarcode/BC_DecoderResult.h" #include "xfa/fxbarcode/BC_Reader.h" #include "xfa/fxbarcode/BC_ResultPoint.h" #include "xfa/fxbarcode/common/BC_CommonBitArray.h" #include "xfa/fxbarcode/common/BC_CommonBitMatrix.h" #include "xfa/fxbarcode/common/BC_CommonBitMatrix.h" #include "xfa/fxbarcode/common/BC_CommonDecoderResult.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_PDF417CodewordDecoder.h" #include "xfa/fxbarcode/pdf417/BC_PDF417Common.h" #include "xfa/fxbarcode/pdf417/BC_PDF417DecodedBitStreamParser.h" #include "xfa/fxbarcode/pdf417/BC_PDF417DecodedBitStreamParser.h" #include "xfa/fxbarcode/pdf417/BC_PDF417DecodedBitStreamParser.h" #include "xfa/fxbarcode/pdf417/BC_PDF417DetectionResult.h" #include "xfa/fxbarcode/pdf417/BC_PDF417DetectionResultColumn.h" #include "xfa/fxbarcode/pdf417/BC_PDF417DetectionResultRowIndicatorColumn.h" #include "xfa/fxbarcode/pdf417/BC_PDF417Detector.h" #include "xfa/fxbarcode/pdf417/BC_PDF417DetectorResult.h" #include "xfa/fxbarcode/pdf417/BC_PDF417DetectorResult.h" #include "xfa/fxbarcode/pdf417/BC_PDF417ECErrorCorrection.h" #include "xfa/fxbarcode/pdf417/BC_PDF417ECModulusGF.h" #include "xfa/fxbarcode/pdf417/BC_PDF417ECModulusPoly.h" #include "xfa/fxbarcode/pdf417/BC_PDF417Reader.h" #include "xfa/fxbarcode/pdf417/BC_PDF417ScanningDecoder.h" #include "xfa/fxbarcode/utils.h" CBC_PDF417Reader::CBC_PDF417Reader() {} CBC_PDF417Reader::~CBC_PDF417Reader() {} CFX_ByteString CBC_PDF417Reader::Decode(CBC_BinaryBitmap* image, int32_t& e) { return Decode(image, 0, e); } CFX_ByteString CBC_PDF417Reader::Decode(CBC_BinaryBitmap* image, FX_BOOL multiple, int32_t hints, int32_t& e) { CFX_ByteString results; CBC_PDF417DetectorResult* detectorResult = CBC_Detector::detect(image, hints, multiple, e); BC_EXCEPTION_CHECK_ReturnValue(e, ""); for (int32_t i = 0; i < detectorResult->getPoints()->GetSize(); i++) { CFX_PtrArray* points = (CFX_PtrArray*)detectorResult->getPoints()->GetAt(i); CBC_CommonDecoderResult* ResultTemp = CBC_PDF417ScanningDecoder::decode( detectorResult->getBits(), (CBC_ResultPoint*)points->GetAt(4), (CBC_ResultPoint*)points->GetAt(5), (CBC_ResultPoint*)points->GetAt(6), (CBC_ResultPoint*)points->GetAt(7), getMinCodewordWidth(*points), getMaxCodewordWidth(*points), e); if (ResultTemp == NULL) { delete detectorResult; e = BCExceptiontNotFoundInstance; return ""; } results += ResultTemp->GetText(); delete ResultTemp; } delete detectorResult; return results; } CFX_ByteString CBC_PDF417Reader::Decode(CBC_BinaryBitmap* image, int32_t hints, int32_t& e) { CFX_ByteString bs = Decode(image, FALSE, 0, e); BC_EXCEPTION_CHECK_ReturnValue(e, ""); return bs; } int32_t CBC_PDF417Reader::getMaxWidth(CBC_ResultPoint* p1, CBC_ResultPoint* p2) { if (p1 == NULL || p2 == NULL) { return 0; } return (int32_t)FXSYS_fabs(p1->GetX() - p2->GetX()); } int32_t CBC_PDF417Reader::getMinWidth(CBC_ResultPoint* p1, CBC_ResultPoint* p2) { if (!p1 || !p2) return std::numeric_limits<int32_t>::max(); return (int32_t)FXSYS_fabs(p1->GetX() - p2->GetX()); } int32_t CBC_PDF417Reader::getMaxCodewordWidth(CFX_PtrArray& p) { int32_t a = getMaxWidth((CBC_ResultPoint*)p.GetAt(6), (CBC_ResultPoint*)p.GetAt(2)) * CBC_PDF417Common::MODULES_IN_CODEWORD / CBC_PDF417Common::MODULES_IN_STOP_PATTERN; int32_t b = getMaxWidth((CBC_ResultPoint*)p.GetAt(7), (CBC_ResultPoint*)p.GetAt(3)) * CBC_PDF417Common::MODULES_IN_CODEWORD / CBC_PDF417Common::MODULES_IN_STOP_PATTERN; int32_t c = getMaxWidth((CBC_ResultPoint*)p.GetAt(0), (CBC_ResultPoint*)p.GetAt(4)) < a ? getMaxWidth((CBC_ResultPoint*)p.GetAt(0), (CBC_ResultPoint*)p.GetAt(4)) : a; int32_t d = getMaxWidth((CBC_ResultPoint*)p.GetAt(1), (CBC_ResultPoint*)p.GetAt(5)) < b ? getMaxWidth((CBC_ResultPoint*)p.GetAt(1), (CBC_ResultPoint*)p.GetAt(5)) : b; return c < d ? c : d; } int32_t CBC_PDF417Reader::getMinCodewordWidth(CFX_PtrArray& p) { int32_t a = getMinWidth((CBC_ResultPoint*)p.GetAt(6), (CBC_ResultPoint*)p.GetAt(2)) * CBC_PDF417Common::MODULES_IN_CODEWORD / CBC_PDF417Common::MODULES_IN_STOP_PATTERN; int32_t b = getMinWidth((CBC_ResultPoint*)p.GetAt(7), (CBC_ResultPoint*)p.GetAt(3)) * CBC_PDF417Common::MODULES_IN_CODEWORD / CBC_PDF417Common::MODULES_IN_STOP_PATTERN; int32_t c = getMinWidth((CBC_ResultPoint*)p.GetAt(0), (CBC_ResultPoint*)p.GetAt(4)) < a ? getMinWidth((CBC_ResultPoint*)p.GetAt(0), (CBC_ResultPoint*)p.GetAt(4)) : a; int32_t d = getMinWidth((CBC_ResultPoint*)p.GetAt(1), (CBC_ResultPoint*)p.GetAt(5)) < b ? getMinWidth((CBC_ResultPoint*)p.GetAt(1), (CBC_ResultPoint*)p.GetAt(5)) : b; return c < d ? c : d; }