cpp/core/src/zxing/oned/UPCAReader.cpp

   1 /*
   2  *  UPCAReader.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 "UPCAReader.h"
  22 #include <zxing/ReaderException.h>
  23
  24 namespace zxing {
  25         namespace oned {
  26                 UPCAReader::UPCAReader() : ean13Reader() {
  27                 }
  28
  29                 Ref<Result> UPCAReader::decodeRow(int rowNumber, Ref<BitArray> row){
  30                         return maybeReturnResult(ean13Reader.decodeRow(rowNumber, row));
  31                 }
  32                 Ref<Result> UPCAReader::decodeRow(int rowNumber, Ref<BitArray> row, int startGuardRange[]){
  33                         return maybeReturnResult(ean13Reader.decodeRow(rowNumber, row, startGuardRange));
  34                 }
  35                 Ref<Result> UPCAReader::decode(Ref<BinaryBitmap> image, DecodeHints hints){
  36                         return maybeReturnResult(ean13Reader.decode(image, hints));
  37                 }
  38
  39                 int UPCAReader::decodeMiddle(Ref<BitArray> row, int startRange[], int startRangeLen, std::string& resultString){
  40                         return ean13Reader.decodeMiddle(row, startRange, startRangeLen, resultString);
  41                 }
  42
  43                 Ref<Result> UPCAReader::maybeReturnResult(Ref<Result> result){
  44                         const std::string& text = (result->getText())->getText();
  45                         if (text[0] == '0') {
  46                                 Ref<String> resultString(new String(text.substr(1)));
  47                                 Ref<Result> res(new Result(resultString, result->getRawBytes(), result->getResultPoints(), BarcodeFormat_UPC_A));
  48                                 return res;
  49                         } else {
  50                                 throw ReaderException("Not UPC-A barcode.");
  51                         }
  52                 }
  53
  54
  55                 BarcodeFormat UPCAReader::getBarcodeFormat(){
  56                         return BarcodeFormat_UPC_A;
  57                 }
  58         }
  59 }