cpp/core/src/zxing/oned/MultiFormatOneDReader.cpp

   1 /*
   2  *  MultiFormatOneDReader.cpp
   3  *  ZXing
   4  *
   5  *  Created by Lukasz Warchol on 10-01-25.
   6  *  Copyright 2010 ZXing authors All rights reserved.
   7  *
   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
  11  *
  12  *      http://www.apache.org/licenses/LICENSE-2.0
  13  *
  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.
  19  */
  20
  21 #include "MultiFormatOneDReader.h"
  22
  23 #include <zxing/oned/MultiFormatUPCEANReader.h>
  24 #include <zxing/oned/Code39Reader.h>
  25 #include <zxing/oned/Code128Reader.h>
  26 #include <zxing/oned/ITFReader.h>
  27 #include <zxing/ReaderException.h>
  28
  29 namespace zxing {
  30         namespace oned {
  31                 MultiFormatOneDReader::MultiFormatOneDReader(DecodeHints hints) : readers() {
  32       if (hints.containsFormat(BarcodeFormat_EAN_13) ||
  33           hints.containsFormat(BarcodeFormat_EAN_8) ||
  34           hints.containsFormat(BarcodeFormat_UPC_A) ||
  35           hints.containsFormat(BarcodeFormat_UPC_E)) {
  36         readers.push_back(Ref<OneDReader>(new MultiFormatUPCEANReader(hints)));
  37       }
  38       if (hints.containsFormat(BarcodeFormat_CODE_39)) {
  39         readers.push_back(Ref<OneDReader>(new Code39Reader()));
  40       }
  41       if (hints.containsFormat(BarcodeFormat_CODE_128)) {
  42         readers.push_back(Ref<OneDReader>(new Code128Reader()));
  43       }
  44       if (hints.containsFormat(BarcodeFormat_ITF)) {
  45         readers.push_back(Ref<OneDReader>(new ITFReader()));
  46       }
  47       if (readers.size() == 0) {
  48         readers.push_back(Ref<OneDReader>(new MultiFormatUPCEANReader(hints)));
  49         readers.push_back(Ref<OneDReader>(new Code39Reader()));
  50         readers.push_back(Ref<OneDReader>(new Code128Reader()));
  51         readers.push_back(Ref<OneDReader>(new ITFReader()));
  52       }
  53                 }
  54
  55                 Ref<Result> MultiFormatOneDReader::decodeRow(int rowNumber, Ref<BitArray> row){
  56                         int size = readers.size();
  57                         for (int i = 0; i < size; i++) {
  58                                 OneDReader* reader = readers[i];
  59                                 try {
  60                                         return reader->decodeRow(rowNumber, row);
  61                                 } catch (ReaderException re) {
  62                                         // continue
  63                                 }
  64                         }
  65                         throw ReaderException("No code detected");
  66                 }
  67         }
  68 }