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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 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;
}
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