ddtMagnificationWidget.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 ddtMagnificationWidgets.hpp
// @brief DDT Widgets. Class for the DDT Magnification Widget.
//
// Class for the Magnification Widget. The widget will display a magnified part
// of the original image around the current mouse position
//
// @author Carsten Mannel, CGI
// @since  2020/11/24
//
 
#ifndef DDT_DATAVISUALISATION_DDTWIDGETS_MAGNIFICATIONWIDGET_HPP
#define DDT_DATAVISUALISATION_DDTWIDGETS_MAGNIFICATIONWIDGET_HPP
 
#include <QtUiPlugin/QDesignerExportWidget>
 
#include "ddt/ddtDatavisualisationUtils.hpp"
#include "ddt/imageHandling.hpp"
#include "ddt/widgets/ddtWidget.hpp"
 
class QDESIGNER_WIDGET_EXPORT DdtMagnificationWidget : public DdtWidget {
  Q_OBJECT
 
  Q_PROPERTY(QString default_magnification_factors READ
                 get_default_magnification_factors WRITE
                     set_default_magnification_factors)
  Q_PROPERTY(int region_size READ get_region_size WRITE set_region_size)
 
 public:
  explicit DdtMagnificationWidget(QWidget* parent = nullptr);
 
  virtual ~DdtMagnificationWidget() = default;
 
  void set_default_magnification_factors(const QString default_factors);
 
  QString get_default_magnification_factors();
 
  void set_region_size(const int size);
 
  int get_region_size();
 
  void SetImageSize(int size);
 
  int GetImageSize();
 
  void DrawMarker(double fwhm_x, double fwhm_y,
                  const double angle_x_axis) const;
 
  void DrawCenterRectangle(QPixmap* const image) const;
 
  void ClearImage();
 
 protected:
  QString default_magnification_factors;
 
  int region_size;
 
  int magnification_factor_index;
 
  QStringList magnification_factors;
 
 private:
  QLabel* label_zoomed_image;
  QToolButton* button_zoom_in;
  QToolButton* button_zoom_out;
  QToolButton* button_zoom_one;
  QLabel* label_current_zoom;
 
  void CreateWidget();
 
  void ChangedMagnification(QString magnification_factor);
 
 private slots:
 
  void ButtonZoomInPressed();
  void ButtonZoomOutPressed();
  void ButtonZoomOnePressed();
 
 public slots:
 
  void MagnifiedImage(QImage magnified_image);
 
 signals:
  void SetMagnificationFactor(QString factor);
};
 
#endif  // DDT_DATAVISUALISATION_DDTWIDGETS_MAGNIFICATIONWIDGET_HPP