// 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 "xfa/src/fxbarcode/barcode.h" | |
#include "xfa/src/fxbarcode/BC_Reader.h" | |
#include "xfa/src/fxbarcode/BC_BinaryBitmap.h" | |
#include "xfa/src/fxbarcode/BC_ResultPoint.h" | |
#include "xfa/src/fxbarcode/BC_BinaryBitmap.h" | |
#include "xfa/src/fxbarcode/BC_DecoderResult.h" | |
#include "xfa/src/fxbarcode/common/BC_CommonBitMatrix.h" | |
#include "xfa/src/fxbarcode/common/BC_CommonBitArray.h" | |
#include "xfa/src/fxbarcode/common/BC_CommonDecoderResult.h" | |
#include "xfa/src/fxbarcode/common/BC_CommonBitMatrix.h" | |
#include "BC_PDF417DetectorResult.h" | |
#include "BC_PDF417Detector.h" | |
#include "BC_PDF417DetectorResult.h" | |
#include "BC_PDF417Codeword.h" | |
#include "BC_PDF417Common.h" | |
#include "BC_PDF417BarcodeValue.h" | |
#include "BC_PDF417BarcodeMetadata.h" | |
#include "BC_PDF417BoundingBox.h" | |
#include "BC_PDF417DetectionResultColumn.h" | |
#include "BC_PDF417DetectionResultRowIndicatorColumn.h" | |
#include "BC_PDF417DetectionResult.h" | |
#include "BC_PDF417DecodedBitStreamParser.h" | |
#include "BC_PDF417CodewordDecoder.h" | |
#include "BC_PDF417DecodedBitStreamParser.h" | |
#include "BC_PDF417ECModulusPoly.h" | |
#include "BC_PDF417ECModulusGF.h" | |
#include "BC_PDF417ECErrorCorrection.h" | |
#include "BC_PDF417DecodedBitStreamParser.h" | |
#include "BC_PDF417ScanningDecoder.h" | |
#include "BC_PDF417Reader.h" | |
#define Integer_MAX_VALUE 2147483647 | |
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 == NULL || p2 == NULL) { | |
return Integer_MAX_VALUE; | |
} | |
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; | |
} |