ddtCPLImageGraphicsItem.hpp

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// @copyright
// (c) Copyright ESO 2020
// All Rights Reserved
// ESO (eso.org) is an Intergovernmental Organization, and therefore special
// legal conditions apply.
//
// @file ddtCPLImageGraphicsItem.hpp
// @brief DDT Widgets. Class for CPL Image Graphics Items.
//
// Class derived from QGraphicsItem. Allows to render a CPL image as a
// QGraphicsItem.
//
// @author Carsten Mannel, CGI
// @since  2020/02/28
//
 
#ifndef DDT_DATAVISUALISATION_DDTWIDGETS_CPL_IMAGE_GRAPHICSITEM_HPP
#define DDT_DATAVISUALISATION_DDTWIDGETS_CPL_IMAGE_GRAPHICSITEM_HPP
 
 
#include "ddt/ddtImageGraphicsItem.hpp"
#include "ddt/imageColor.hpp"
 
#include <cpl.h>
 
class DdtCPLImageGraphicsItem : public QGraphicsItem {
 public:
  DdtCPLImageGraphicsItem();
  DdtCPLImageGraphicsItem(cpl_image* image);
 
  DdtCPLImageGraphicsItem(cpl_image* image, ddt::colorMap_t* color_map,
                          ddt::scalingLut_t* scaling_lut);
 
  DdtCPLImageGraphicsItem(cpl_image* image, ddt::colorMapARGB_t* color_map,
                          ddt::scalingLut_t* scaling_lut);
 
  virtual ~DdtCPLImageGraphicsItem();
 
  QRectF boundingRect() const;
  void paint(QPainter* painter, const QStyleOptionGraphicsItem* option,
             QWidget* widget);
 
  virtual QImage* GetImage();
 
  enum { Type = UserType + 500 };
 
  int type() const;
 
 protected:
  cpl_image* image;
  QImage* qimage;
 
 private:
  int width;
  int height;
 
  void loadImageGrayColor(cpl_image* image);
 
  void loadImageGrayColorInt(cpl_image* image);
 
  void loadImageGrayColorFloat(cpl_image* image);
 
  void loadImageGrayColorDouble(cpl_image* image);
 
  void loadImageColor(cpl_image* image, ddt::colorMap_t* color_map,
                      ddt::scalingLut_t* scaling_lut);
  void loadImageColorInt(cpl_image* image, ddt::colorMap_t* color_map,
                         ddt::scalingLut_t* scaling_lut);
  void loadImageColorFloat(cpl_image* image, ddt::colorMap_t* color_map,
                           ddt::scalingLut_t* scaling_lut);
  void loadImageColorDouble(cpl_image* image, ddt::colorMap_t* color_map,
                            ddt::scalingLut_t* scaling_lut);
 
  void loadImageColor(cpl_image* image, ddt::colorMapARGB_t* color_map,
                      ddt::scalingLut_t* scaling_lut);
  void loadImageColorInt(cpl_image* image, ddt::colorMapARGB_t* color_map,
                         ddt::scalingLut_t* scaling_lut);
  void loadImageColorFloat(cpl_image* image, ddt::colorMapARGB_t* color_map,
                           ddt::scalingLut_t* scaling_lut);
 
  void loadImageColorDouble(cpl_image* image, ddt::colorMapARGB_t* color_map,
                            ddt::scalingLut_t* scaling_lut);
};
 
#endif  // DDT_DATAVISUALISATION_DDTWIDGETS_CPL_IMAGE_GRAPHICSITEM_HPP