59 lines
1.9 KiB
C
59 lines
1.9 KiB
C
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// -*- mode:c++; tab-width:2; indent-tabs-mode:nil; c-basic-offset:2 -*-
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#ifndef __CODE_93_READER_H__
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#define __CODE_93_READER_H__
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/*
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* Code93Reader.h
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* ZXing
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*
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* Copyright 2010 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/oned/OneDReader.h>
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#include <zxing/common/BitArray.h>
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#include <zxing/Result.h>
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namespace zxing {
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namespace oned {
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/**
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* <p>Decodes Code 93 barcodes. This does not support "Full ASCII Code 93" yet.</p>
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* Ported form Java (author Sean Owen)
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* @author Lukasz Warchol
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*/
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class Code93Reader : public OneDReader {
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public:
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Code93Reader();
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Ref<Result> decodeRow(int rowNumber, Ref<BitArray> row);
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private:
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std::string decodeRowResult;
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std::vector<int> counters;
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Range findAsteriskPattern(Ref<BitArray> row);
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static int toPattern(std::vector<int>& counters);
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static char patternToChar(int pattern);
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static Ref<String> decodeExtended(std::string const& encoded);
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static void checkChecksums(std::string const& result);
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static void checkOneChecksum(std::string const& result,
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int checkPosition,
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int weightMax);
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};
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}
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}
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#endif
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