WriteableBufferedImage.h

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/*
 * WriteableBufferedImage.h
 *
 *  Created on: Mar 8, 2018
 *      Author: mschefer
 */
 
#ifndef _SEFRAMEWORK_IMAGE_WRITEABLEBUFFEREDIMAGE_H_
#define _SEFRAMEWORK_IMAGE_WRITEABLEBUFFEREDIMAGE_H_
 
#include "SEFramework/Image/WriteableImage.h"
#include "SEFramework/Image/BufferedImage.h"
 
namespace SourceXtractor {
 
template <typename T>
class WriteableBufferedImage : public BufferedImage<T>, public virtual WriteableImage<T> {
 
protected:
 
  WriteableBufferedImage(std::shared_ptr<const ImageSource> source, std::shared_ptr<TileManager> tile_manager)
      : BufferedImage<T>(source, tile_manager) {}
 
public:
 
  virtual ~WriteableBufferedImage() = default;
 
  static std::shared_ptr<WriteableBufferedImage<T>> create(std::shared_ptr<const ImageSource> source,
      std::shared_ptr<TileManager> tile_manager = TileManager::getInstance()) {
    return std::shared_ptr<WriteableBufferedImage<T>>(new WriteableBufferedImage<T>(source, tile_manager));
  }
 
  void setValue(int x, int y, T value) override {
    assert(x >= 0 && y >=0 && x < BufferedImage<T>::m_source->getWidth() && y < BufferedImage<T>::m_source->getHeight());
 
    if (m_current_tile == nullptr || !m_current_tile->isPixelInTile(x, y)) {
      m_current_tile = BufferedImage<T>::m_tile_manager->getTileForPixel(x, y, BufferedImage<T>::m_source);
    }
 
    m_current_tile->setModified(true);
    m_current_tile->setValue(x, y, value);
  }
 
  using BufferedImage<T>::getRepr;
 
private:
  mutable std::shared_ptr<ImageTile> m_current_tile;
};
 
}
 
#endif /* _SEFRAMEWORK_IMAGE_WRITEABLEBUFFEREDIMAGE_H_ */