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

   1 /*
   2  *  UPCAReader.cpp
   3  *  ZXing
   4  *
   5  *  Copyright 2010 ZXing authors All rights reserved.
   6  *
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  */
  19
  20 #include "UPCAReader.h"
  21 #include <zxing/ReaderException.h>
  22
  23 namespace zxing {
  24         namespace oned {
  25                 UPCAReader::UPCAReader() : ean13Reader() {
  26                 }
  27
  28                 Ref<Result> UPCAReader::decodeRow(int rowNumber, Ref<BitArray> row) {
  29                         return maybeReturnResult(ean13Reader.decodeRow(rowNumber, row));
  30                 }
  31
  32                 Ref<Result> UPCAReader::decodeRow(int rowNumber, Ref<BitArray> row, int startGuardRange[]) {
  33                         return maybeReturnResult(ean13Reader.decodeRow(rowNumber, row, startGuardRange));
  34                 }
  35
  36                 Ref<Result> UPCAReader::decode(Ref<BinaryBitmap> image, DecodeHints hints) {
  37                         return maybeReturnResult(ean13Reader.decode(image, hints));
  38                 }
  39
  40                 int UPCAReader::decodeMiddle(Ref<BitArray> row, int startRange[], int startRangeLen,
  41                     std::string& resultString) {
  42                         return ean13Reader.decodeMiddle(row, startRange, startRangeLen, resultString);
  43                 }
  44
  45                 Ref<Result> UPCAReader::maybeReturnResult(Ref<Result> result) {
  46                   if (result.empty()) {
  47                     return result;
  48                   }
  49                         const std::string& text = (result->getText())->getText();
  50                         if (text[0] == '0') {
  51                                 Ref<String> resultString(new String(text.substr(1)));
  52                                 Ref<Result> res(new Result(resultString, result->getRawBytes(), result->getResultPoints(),
  53                                     BarcodeFormat_UPC_A));
  54                                 return res;
  55                         }
  56                         return Ref<Result>();
  57                 }
  58
  59                 BarcodeFormat UPCAReader::getBarcodeFormat(){
  60                         return BarcodeFormat_UPC_A;
  61                 }
  62         }
  63 }