ProcessingImageSource.h

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/*
 * ProcessingImageSource.h
 *
 *  Created on: May 2, 2018
 *      Author: mschefer
 */
 
#ifndef _SEFRAMEWORK_IMAGE_PROCESSINGIMAGESOURCE_H_
#define _SEFRAMEWORK_IMAGE_PROCESSINGIMAGESOURCE_H_
 
#include "SEFramework/Image/Image.h"
#include "SEFramework/Image/ImageSource.h"
 
namespace SourceXtractor {
 
template <typename T>
class ProcessingImageSource : public ImageSource, public std::enable_shared_from_this<ImageSource>  {
public:
 
  ProcessingImageSource(std::shared_ptr<Image<T>> image) : m_image(image) {}
 
  virtual ~ProcessingImageSource() = default;
 
  std::shared_ptr<ImageTile> getImageTile(int x, int y, int width, int height) const override {
    auto tile = std::make_shared<ImageTileWithType<T>>(
        x, y, width, height, (const_cast<ProcessingImageSource*>(this))->shared_from_this());
 
    generateTile(m_image, *tile, x, y, width, height);
 
    return tile;
  }
 
  void saveTile(ImageTile& /*tile*/) override {
    assert(false);
  }
 
  int getWidth() const override {
    return m_image->getWidth();
  }
 
  int getHeight() const override {
    return m_image->getHeight();
  }
 
  ImageTile::ImageType getType() const override {
    return ImageTile::getTypeValue(T());
  }
 
protected:
  virtual void generateTile(const std::shared_ptr<Image<T>>& image, ImageTileWithType<T>& tile, int x, int y, int width, int height) const = 0;
 
  std::string getImageRepr() const {
    return m_image->getRepr();
  }
 
private:
  std::shared_ptr<Image<T>> m_image;
};
 
}
 
 
 
#endif /* _SEFRAMEWORK_IMAGE_PROCESSINGIMAGESOURCE_H_ */