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Contents
// -*- mode:c++; tab-width:2; indent-tabs-mode:nil; c-basic-offset:2 -*-
#ifndef __ITF_READER_H__
#define __ITF_READER_H__
/*
* Copyright 2010 ZXing authors All rights reserved.
*
* 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 <zxing/oned/OneDReader.h>
#include <zxing/common/BitArray.h>
#include <zxing/Result.h>
namespace zxing {
namespace oned {
class ITFReader : public OneDReader {
private:
enum {MAX_AVG_VARIANCE = (unsigned int) (PATTERN_MATCH_RESULT_SCALE_FACTOR * 420/1000)};
enum {MAX_INDIVIDUAL_VARIANCE = (int) (PATTERN_MATCH_RESULT_SCALE_FACTOR * 780/1000)};
// Stores the actual narrow line width of the image being decoded.
int narrowLineWidth;
Range decodeStart(Ref<BitArray> row);
Range decodeEnd(Ref<BitArray> row);
static void decodeMiddle(Ref<BitArray> row, int payloadStart, int payloadEnd, std::string& resultString);
void validateQuietZone(Ref<BitArray> row, int startPattern);
static int skipWhiteSpace(Ref<BitArray> row);
static Range findGuardPattern(Ref<BitArray> row, int rowOffset, std::vector<int> const& pattern);
static int decodeDigit(std::vector<int>& counters);
void append(char* s, char c);
public:
Ref<Result> decodeRow(int rowNumber, Ref<BitArray> row);
ITFReader();
~ITFReader();
};
}
}
#endif
Version data entries
13 entries across 13 versions & 4 rubygems