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63 lines
1.7 KiB
C
63 lines
1.7 KiB
C
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#ifndef __DECOCER_PDF_H__
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#define __DECOCER_PDF_H__
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/*
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* Decoder.h
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* zxing
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*
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* Created by Hartmut Neubauer, 2012-05-25
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* Copyright 2010,2012 ZXing authors All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <zxing/pdf417/decoder/ec/ErrorCorrection.h>
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#include <zxing/pdf417/decoder/ec/ModulusGF.h>
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#include <zxing/common/Counted.h>
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#include <zxing/common/Array.h>
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#include <zxing/common/DecoderResult.h>
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#include <zxing/common/BitMatrix.h>
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namespace zxing {
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namespace pdf417 {
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namespace decoder {
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/**
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* <p>The main class which implements PDF417 Code decoding -- as
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* opposed to locating and extracting the PDF417 Code from an image.</p>
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*
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* <p> 2012-06-27 HFN Reed-Solomon error correction activated, see class PDF417RSDecoder. </p>
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* <p> 2012-09-19 HFN Reed-Solomon error correction via ErrorCorrection/ModulusGF/ModulusPoly. </p>
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*/
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class Decoder {
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private:
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static const int MAX_ERRORS;
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static const int MAX_EC_CODEWORDS;
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void correctErrors(ArrayRef<int> codewords,
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ArrayRef<int> erasures, int numECCodewords);
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static void verifyCodewordCount(ArrayRef<int> codewords, int numECCodewords);
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public:
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Ref<DecoderResult> decode(Ref<BitMatrix> bits, DecodeHints const &hints);
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};
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}
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}
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}
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#endif // __DECOCER_PDF_H__
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