5 * Created by Lukasz Warchol on 10-01-26.
6 * Copyright 2010 ZXing authors All rights reserved.
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
12 * http://www.apache.org/licenses/LICENSE-2.0
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
21 #include <zxing/oned/OneDReader.h>
22 #include <zxing/common/BitArray.h>
23 #include <zxing/Result.h>
27 class ITFReader : public OneDReader {
30 static const unsigned int MAX_AVG_VARIANCE = (unsigned int) (PATTERN_MATCH_RESULT_SCALE_FACTOR * 0.42f);
31 static const int MAX_INDIVIDUAL_VARIANCE = (int) (PATTERN_MATCH_RESULT_SCALE_FACTOR * 0.8f);
33 // Stores the actual narrow line width of the image being decoded.
36 int* decodeStart(Ref<BitArray> row); //throws ReaderException
37 int* decodeEnd(Ref<BitArray> row); //throws ReaderException
38 static void decodeMiddle(Ref<BitArray> row, int payloadStart, int payloadEnd, std::string& resultString); //throws ReaderException
39 void validateQuietZone(Ref<BitArray> row, int startPattern); //throws ReaderException
40 static int skipWhiteSpace(Ref<BitArray> row); //throws ReaderException
42 static int* findGuardPattern(Ref<BitArray> row, int rowOffset, const int pattern[], int patternLen); //throws ReaderException
43 static int decodeDigit(int counters[], int countersLen); //throws ReaderException
45 void append(char* s, char c);
47 Ref<Result> decodeRow(int rowNumber, Ref<BitArray> row); ///throws ReaderException