64 lines
2.0 KiB
C
64 lines
2.0 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_39_READER_H__
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#define __CODE_39_READER_H__
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/*
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* Code39Reader.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 39 barcodes. This does not support "Full ASCII Code 39" 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 Code39Reader : public OneDReader {
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private:
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bool usingCheckDigit;
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bool extendedMode;
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std::string decodeRowResult;
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std::vector<int> counters;
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void init(bool usingCheckDigit = false, bool extendedMode = false);
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static std::vector<int> findAsteriskPattern(Ref<BitArray> row,
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std::vector<int>& counters);
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static int toNarrowWidePattern(std::vector<int>& counters);
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static char patternToChar(int pattern);
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static Ref<String> decodeExtended(std::string encoded);
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void append(char* s, char c);
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public:
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Code39Reader();
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Code39Reader(bool usingCheckDigit_);
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Code39Reader(bool usingCheckDigit_, bool extendedMode_);
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Ref<Result> decodeRow(int rowNumber, Ref<BitArray> row);
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};
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}
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}
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#endif
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