/*
 *  DataMatrixReader.cpp
 *  zxing
 *
 *  Created by Luiz Silva on 09/02/2010.
 *  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 <zxing/datamatrix/DataMatrixReader.h>
#include <zxing/datamatrix/detector/Detector.h>
#include <iostream>

namespace zxing {
namespace datamatrix {

using namespace std;

DataMatrixReader::DataMatrixReader() :
    decoder_() {
}

Ref<Result> DataMatrixReader::decode(Ref<BinaryBitmap> image, DecodeHints hints) {
#ifdef DEBUG
  cout << "decoding image " << image.object_ << ":\n" << flush;
#endif

  Detector detector(image->getBlackMatrix());


#ifdef DEBUG
  cout << "(1) created detector " << &detector << "\n" << flush;
#endif

  Ref<DetectorResult> detectorResult(detector.detect());
#ifdef DEBUG
  cout << "(2) detected, have detectorResult " << detectorResult.object_ << "\n" << flush;
#endif

  std::vector<Ref<ResultPoint> > points(detectorResult->getPoints());


#ifdef DEBUG
  cout << "(3) extracted points " << &points << "\n" << flush;
  cout << "found " << points.size() << " points:\n";
  for (size_t i = 0; i < points.size(); i++) {
    cout << "   " << points[i]->getX() << "," << points[i]->getY() << "\n";
  }
  cout << "bits:\n";
  cout << *(detectorResult->getBits()) << "\n";
#endif

  Ref<DecoderResult> decoderResult(decoder_.decode(detectorResult->getBits()));
#ifdef DEBUG
  cout << "(4) decoded, have decoderResult " << decoderResult.object_ << "\n" << flush;
#endif

  Ref<Result> result(
    new Result(decoderResult->getText(), decoderResult->getRawBytes(), points, BarcodeFormat_DATA_MATRIX));
#ifdef DEBUG
  cout << "(5) created result " << result.object_ << ", returning\n" << flush;
#endif

  return result;
}

DataMatrixReader::~DataMatrixReader() {
}

}
}