ddtCPLImageGraphicsItem.hpp

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#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 DdtImageGraphicsItem {
 public:
  DdtCPLImageGraphicsItem();

  explicit DdtCPLImageGraphicsItem(cpl_image* const in_image);

  DdtCPLImageGraphicsItem(cpl_image* const in_image,
                          ddt::colorMap_t* const color_map,
                          ddt::scalingLut_t* scaling_lut);

  DdtCPLImageGraphicsItem(cpl_image* const in_image,
                          ddt::colorMapARGB_t* const color_map,
                          ddt::scalingLut_t* scaling_lut);

  virtual ~DdtCPLImageGraphicsItem();

  QRectF boundingRect() const override;

  void paint(QPainter* painter, const QStyleOptionGraphicsItem* option,
             QWidget* widget) override;

  virtual QImage* GetImage() override;

  enum { ITEM_TYPE = 66036 };

  int type() const override;
 
 protected:
  cpl_image* cimage;

  QImage* qimage;
 
 private:
  int width;
  int height;

  void Init();

  void LoadImageGrayColor(cpl_image* const in_image);

  void LoadImageGrayColorInt(cpl_image* const in_image);

  void LoadImageGrayColorFloat(cpl_image* const in_image);

  void LoadImageGrayColorDouble(cpl_image* const in_image);

  void LoadImageColor(const cpl_image* const in_image,
                      ddt::colorMap_t* color_map,
                      ddt::scalingLut_t* scaling_lut);

  void LoadImageColor(const cpl_image* const in_image,
                      ddt::colorMapARGB_t* const color_map,
                      ddt::scalingLut_t* const scaling_lut);

  void LoadImageColorInt(cpl_image* const in_image,
                         ddt::colorMap_t* const color_map,
                         ddt::scalingLut_t* const scaling_lut);

  void LoadImageColorInt(cpl_image* const in_image,
                         ddt::colorMapARGB_t* const color_map,
                         ddt::scalingLut_t* const scaling_lut);

  void LoadImageColorFloat(cpl_image* const in_image,
                           ddt::colorMap_t* const color_map,
                           ddt::scalingLut_t* const scaling_lut);

  void LoadImageColorFloat(cpl_image* const in_image,
                           ddt::colorMapARGB_t* const color_map,
                           ddt::scalingLut_t* const scaling_lut);

  void LoadImageColorDouble(cpl_image* const in_image,
                            ddt::colorMap_t* const color_map,
                            ddt::scalingLut_t* const scaling_lut);

  void LoadImageColorDouble(cpl_image* const in_image,
                            ddt::colorMapARGB_t* const color_map,
                            ddt::scalingLut_t* const scaling_lut);

  std::vector<unsigned int> GetRgbVectorGray() const;

  std::vector<unsigned int> GetRgbVectorColor(
      ddt::colorMap_t* const color_map) const;

  void CreateImageAndPixvalRange(const cpl_image* const in_image,
                                 double* const min_pixval,
                                 double* const pixval_range);

  void CreateImageAndScalingFactors(const cpl_image* const in_image,
                                    const ddt::scalingLut_t* const scaling_lut,
                                    double* const offset, double* const factor);

  void CreateImage(const cpl_image* const in_image);
};
 
#endif  // DDT_DATAVISUALISATION_DDTWIDGETS_CPL_IMAGE_GRAPHICSITEM_HPP