ImageSource.h

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/*
 * ImageSource.h
 *
 *  Created on: Feb 14, 2018
 *      Author: mschefer
 */

#ifndef _SEFRAMEWORK_IMAGE_IMAGESOURCE_H_
#define _SEFRAMEWORK_IMAGE_IMAGESOURCE_H_

#include <boost/variant.hpp>

#include "SEFramework/Image/Image.h"
#include "SEFramework/Image/ImageTile.h"

namespace SourceXtractor {

struct MetadataEntry {
  typedef boost::variant<bool, char, int64_t, double, std::string> value_t;

  value_t m_value;

  std::map<std::string, std::string> m_extra;
};

class ImageSource {
public:

  ImageSource() {}

  virtual ~ImageSource() = default;

  virtual std::string getRepr() const = 0;

  virtual void saveTile(ImageTile& tile) = 0;
  virtual std::shared_ptr<ImageTile> getImageTile(int x, int y, int width, int height) const = 0;


  virtual int getWidth() const = 0;

  virtual int getHeight() const = 0;

  virtual ImageTile::ImageType getType() const = 0;

  virtual const std::map<std::string, MetadataEntry>& getMetadata() const { return m_metadata; }

  virtual void setMetadata(const std::string& key, const MetadataEntry& value) {
    m_metadata[key] = value;
  }

private:
  std::map<std::string, MetadataEntry> m_metadata;
};

}  // namespace SourceXtractor

#endif /* _SEFRAMEWORK_IMAGE_IMAGESOURCE_H_ */