mirror of https://github.com/status-im/qzxing.git
54 lines
2.1 KiB
C++
54 lines
2.1 KiB
C++
// -*- 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 * 800/1000)};
|
|
// Stores the actual narrow line width of the image being decoded.
|
|
int narrowLineWidth;
|
|
|
|
int* decodeStart(Ref<BitArray> row); //throws ReaderException
|
|
int* decodeEnd(Ref<BitArray> row); //throws ReaderException
|
|
static void decodeMiddle(Ref<BitArray> row, int payloadStart, int payloadEnd, std::string& resultString); //throws ReaderException
|
|
void validateQuietZone(Ref<BitArray> row, int startPattern); //throws ReaderException
|
|
static int skipWhiteSpace(Ref<BitArray> row); //throws ReaderException
|
|
|
|
static int* findGuardPattern(Ref<BitArray> row, int rowOffset, const int pattern[], int patternLen); //throws ReaderException
|
|
static int decodeDigit(int counters[], int countersLen); //throws ReaderException
|
|
|
|
void append(char* s, char c);
|
|
public:
|
|
Ref<Result> decodeRow(int rowNumber, Ref<BitArray> row); ///throws ReaderException
|
|
ITFReader();
|
|
~ITFReader();
|
|
};
|
|
}
|
|
}
|
|
|
|
#endif
|