Sha256: 7877318a57873036e2d86ceb16fdd5a2faa07d34f25729d3fd204a9b6ee2f09a
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Size: 1.97 KB
Versions: 13
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Stored size: 1.97 KB
Contents
// -*- mode:c++; tab-width:2; indent-tabs-mode:nil; c-basic-offset:2 -*-
/*
* 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 "EAN8Reader.h"
#include <zxing/ReaderException.h>
using std::vector;
using zxing::oned::EAN8Reader;
// VC++
using zxing::Ref;
using zxing::BitArray;
EAN8Reader::EAN8Reader() : decodeMiddleCounters(4, 0) {}
int EAN8Reader::decodeMiddle(Ref<BitArray> row,
Range const& startRange,
std::string& result){
vector<int>& counters (decodeMiddleCounters);
counters[0] = 0;
counters[1] = 0;
counters[2] = 0;
counters[3] = 0;
int end = row->getSize();
int rowOffset = startRange[1];
for (int x = 0; x < 4 && rowOffset < end; x++) {
int bestMatch = decodeDigit(row, counters, rowOffset, L_PATTERNS);
result.append(1, (char) ('0' + bestMatch));
for (int i = 0, end = counters.size(); i < end; i++) {
rowOffset += counters[i];
}
}
Range middleRange =
findGuardPattern(row, rowOffset, true, MIDDLE_PATTERN);
rowOffset = middleRange[1];
for (int x = 0; x < 4 && rowOffset < end; x++) {
int bestMatch = decodeDigit(row, counters, rowOffset, L_PATTERNS);
result.append(1, (char) ('0' + bestMatch));
for (int i = 0, end = counters.size(); i < end; i++) {
rowOffset += counters[i];
}
}
return rowOffset;
}
zxing::BarcodeFormat EAN8Reader::getBarcodeFormat(){
return BarcodeFormat::EAN_8;
}
Version data entries
13 entries across 13 versions & 4 rubygems