diff options
Diffstat (limited to 'xfa/src/fxbarcode/pdf417/BC_PDF417Reader.cpp')
| -rw-r--r-- | xfa/src/fxbarcode/pdf417/BC_PDF417Reader.cpp | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/xfa/src/fxbarcode/pdf417/BC_PDF417Reader.cpp b/xfa/src/fxbarcode/pdf417/BC_PDF417Reader.cpp new file mode 100644 index 0000000000..23595fbe03 --- /dev/null +++ b/xfa/src/fxbarcode/pdf417/BC_PDF417Reader.cpp @@ -0,0 +1,147 @@ +// 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; +} |