text: /**
   * @file
   *
   * Copyright 2018-2021 Alexey Gruzdev
   * 
   * 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.
   */
  
  #ifndef IMAGELOADER_H
  #define IMAGELOADER_H
  
  #include <QObject>
  
  #include "Image.h"
  
  class ImageLoader
      : public QObject
  {
      Q_OBJECT
  
  public:
      explicit
      ImageLoader(const QString & name);
      ImageLoader(const QString & name, size_t imgIdx, size_t imgCount);
  
      ~ImageLoader();
  
  signals:
      void eventResult(ImagePtr image, size_t imgIdx, size_t imgCount);
  
      void eventError(QString what);
  
  public slots:
      void onRun(const QString & path);
  
  private:
      QString mName;
      size_t mImgIdx; 
      size_t mImgCount;
  
      /**
       * Helper class for class registration
       */
      struct QtMetaRegisterInvoker
      {
          QtMetaRegisterInvoker();
      };
      static QtMetaRegisterInvoker msQtRegisterInvoker;
  };
  
  #endif // IMAGELOADER_H
  