ddtReferenceLineDialog.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 ddtReferenceLineDialog.hpp
// @brief DDT Dialogs. Class for the reference line dialog
//                     A dialog to allow the user draw a reference line across
//                     the image and display the pixel distribution.
//
// Class for the DDT Reference Line Dialog
//
// @author Carsten Mannel, CGI
// @since  2020/11/13
//
 
#ifndef DDT_DATAVISUALISATION_DDTDIALOGS_REFERENCELINE_HPP
#define DDT_DATAVISUALISATION_DDTDIALOGS_REFERENCELINE_HPP
 
#include <QGraphicsPathItem>
#include <QtWidgets>
 
#include "ddt/ddtDatavisualisationUtils.hpp"
#include "ddt/dialogs/ddtDialog.hpp"
#include "ddt/dialogs/ddtDialogIds.hpp"
 
class DdtReferenceLineDialog : public DdtDialog {
  Q_OBJECT
 
 public:
  explicit DdtReferenceLineDialog(QWidget *parent = nullptr);
  virtual ~DdtReferenceLineDialog() = default;
 
  void SetInitialParameter(const QString parameter_id,
                           const QVariant parameter) override;
 
  void SetChangedParameter(const QString param_id,
                           const QVariant parameter) override;
 
  bool eventFilter(QObject *obj, QEvent *event) override;
 
 protected:
  virtual void CreateDialog();
  virtual void RetranslateUi();
 
  void changeEvent(QEvent *event) override;
  void focusInEvent(QFocusEvent *event) override;
  void closeEvent(QCloseEvent *event) override;
 
 private:
  QVBoxLayout *verticalLayout;
  QHBoxLayout *horizontalLayout;
  QGridLayout *chartLayout;
  QLabel *label_low;
  QLineEdit *lineEdit_low;
  QLabel *label_high;
  QLineEdit *lineEdit_high;
  QPushButton *pushButton_auto;
  QLabel *label_x;
  InactiveLineEdit *lineEdit_x;
  QLabel *label_value;
  InactiveLineEdit *lineEdit_value;
  QLabel *label_smooth;
  QComboBox *comboBox_interpolation;
  QPushButton *pushButton_quit;
 
  QString currentInterpolation;
 
  int range_min;
  int range_max;
  double value_min;
  double value_max;
  double chart_min;
  double chart_max;
  double intensity_low;
  double intensity_high;
  bool auto_mode;
  QList<QVariant> spectrum_vals;
 
  QLabel *label_chart;
  QLabel *label_xaxis;
  QLabel *label_yaxis;
  QLabel *label_fill;
 
  QPainterPath *line_path;
  QGraphicsPathItem *line_path_item;
  QList<QPointF> point_list;
 
  void CreateLayouts();
  void CreateWidgets();
  void CreateLineEditWidgets(const QFont font);
  void CreateLabelWidgets(const QFont font);
  void CreateButtonWidgets();
  void ClearEditWidgets();
  void CreateChart();
  void CreateComboBox();
 
  void SetRangeValues(const QList<QVariant> range_values);
  void SetSpectrum(const QList<QVariant> spectrum_values);
 
  void ShowSpectrum();
  void DrawScaleX(const double min_value, const double max_value,
                  QPainter &painter) const;
  void DrawScaleY(const double min_value, const double max_value,
                  double *chart_min_value, double *chart_max_value,
                  QPainter &painter) const;
  double CalculateTickPositionLinear(const double tick, const double min_value,
                                     const double width,
                                     const double maxsize) const;
  void SetXAxis(const int tickstep_ratio);
  void SetYAxis(const int tickstep_ratio);
 
  void FindRangeMinMax();
  void FindValueMinMax();
 
  void FillPointList(const double xfactor, const double yfactor,
                     const int height);
 
  void AddIntermediatePoints(const double xfactor, const double yfactor,
                             const int height);
  void AddStepPoints(const double xfactor, const double yfactor,
                     const int height);
  void AddQuadraticPoints(const double xfactor, const double yfactor,
                          const int height);
  void AddNaturalPoints(const double xfactor, const double yfactor,
                        const int height);
 
 public slots:
  virtual void CurrentIndexChanged(const QString &text);
 
  virtual void AutoPressed();
 
  virtual void QuitPressed();
 
  void UpdateIntensityValues();
 
 private slots:
 
  void ChartPoint(const double chart_x, const double chart_y);
 
 signals:
  void ParameterChanged(const QString dialog_id, const QString param_id,
                        const QVariant parameter);
};
 
#endif  // DDT_DATAVISUALISATION_DDTDIALOGS_REFERENCELINE_HPP