ddtReferenceLineDialog.hpp

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#ifndef DDT_DATAVISUALISATION_DDTDIALOGS_REFERENCELINE_HPP
#define DDT_DATAVISUALISATION_DDTDIALOGS_REFERENCELINE_HPP
 
#include <QGraphicsPathItem>
#include <QGraphicsRectItem>
#include <QtWidgets>
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wpedantic"
#include <boost/math/interpolators/cardinal_cubic_b_spline.hpp>
/* ignore this boost internal warning from the file above */
#pragma GCC diagnostic pop
#include <boost/math/special_functions/trunc.hpp>
 
#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;

  QString GetDialogName() override;
 
 protected:
  virtual void CreateDialog() override;
  virtual void RetranslateUi();
 
  void changeEvent(QEvent *event) override;
  void focusInEvent(QFocusEvent *event) override;
  void closeEvent(QCloseEvent *event) override;
 
 private:
  static const int DIALOG_WIDTH = 850;
  static const int DIALOG_HEIGHT = 600;
 
  static const int CHART_SIZE_X = 500;
  static const int CHART_SIZE_Y = 300;
  static const int AXIS_X_HEIGHT = 30;
  static const int AXIS_Y_WIDTH = 100;
 
  static const int LINE_EDIT_VALUE_WIDTH = 120;
  static const int LINE_EDIT_VALUE_HEIGHT = 10;
 
  QVBoxLayout* vertical_layout = nullptr;
  QHBoxLayout* horizontal_layout_up = nullptr;
  QHBoxLayout* horizontal_layout_middle = nullptr;
  QHBoxLayout* horizontal_layout_down = nullptr;
  QGridLayout* chart_layout = nullptr;
  QLabel* label_low = nullptr;
  QLineEdit* line_edit_low = nullptr;
  QLabel* label_high = nullptr;
  QLineEdit* line_edit_high = nullptr;
  QPushButton* push_button_auto = nullptr;
  QLabel* label_x = nullptr;
  InactiveLineEdit* line_edit_x = nullptr;
  QLabel* label_value = nullptr;
  InactiveLineEdit* line_edit_value = nullptr;
  QLabel* label_smooth = nullptr;
  QComboBox* combo_box_interpolation = nullptr;
  QLabel* label_scaling = nullptr;
  QComboBox* checkbox_scaling_value = nullptr;
  QDialogButtonBox* push_buttons_box = nullptr;
  QPushButton* push_button_cancel = nullptr;
  QLabel* label_chart = nullptr;
  QLabel* label_xaxis = nullptr;
  QLabel* label_yaxis = nullptr;
  QLabel* label_fill = nullptr;
  QPushButton* push_button_help = nullptr;
  QPushButton* push_button_save_plot = nullptr;
  QCheckBox* checkbox_show_distribution = nullptr;
  QLabel* label_distribution_low = nullptr;
  QLabel* label_distribution_high = nullptr;
  QSpinBox* spinbox_distribution_val_limit_low = nullptr;
  QSpinBox* spinbox_distribution_val_limit_high = nullptr;
  QLabel* label_distribution_mean = nullptr;
  QLabel* label_distribution_stddev = nullptr;
  InactiveLineEdit* line_distribution_mean_value = nullptr;
  InactiveLineEdit* line_distribution_stddev = nullptr;
 
  QList<QVariant> spectrum_values;
 
  double current_range_min = 0.0;
  double original_range_min = 0.0;
 
  double current_range_max = 0.0;
  double original_range_max = 0.0;
 
  double current_value_min = 0.0;
  double original_value_min = 0.0;
 
  double current_value_max = 0.0;
  double original_value_max = 0.0;
 
  double chart_min = 0.0;
  double chart_max = 0.0;
 
  double intensity_low = 0.0;
  double intensity_high = 0.0;
 
  bool auto_mode = true;
 
  double scaling_factor = 1.0;
 
  QString current_interpolation;
 
  QPointF mouse_start_pos;
  QPointF mouse_delta_pos;
  int x_axis_scalelines = 0;
  int y_axis_scalelines = 0;
  int x_axis_tickstep = 0;
  int y_axis_tickstep = 0;
  QPoint chart_movement;
 
  std::unique_ptr<QPainterPath> line_path;
 
  QList<QPointF> point_list;

  QString last_image_path = "";

  QImage plot;
 
 private:
  void ClearEditWidgets();
 
  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);
  void DrawScaleY(const double min_value, const double max_value,
                  double *chart_min_value, double *chart_max_value,
                  QPainter &painter);
  double CalculateTickPositionLinear(const double tick, const double min_value,
                                     const double width,
                                     const double maxsize) const;
  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);
 
  void ConvertPlotToImage(const QPixmap& pixmap_xaxis, const QPixmap& pixmap_yaxis, const QPixmap& pixmap_chart );

  double ComputeMean(std::size_t start_x, std::size_t end_x);

  double ComputeStandardDeviation(double mean, std::size_t start_x, std::size_t end_x);

  void DrawGaussianDistribution(const double x_factor, const double y_factor, const int height, QPainter &painter);

  void DrawDistributionXScaleLimits(const double scale_start_x, const double scale_end_x, const double width, QPainter &painter);

  void UpdateUiDistributionParameterValues(const double mean, const double stddev);

  void UpdateUiDistributionLimitRange();
 
 public slots:
  void InterpolationChanged(const QString &text);

  void AutoPressed();

  void QuitPressed() override;

  void UpdateIntensityValues();
 
 private slots:
  void DisplayXYValuesUnderCursor(const double chart_x, const double chart_y);
  void ScaleChanged(const QString &text);
  void ShowHelp();

  void SaveToFile();

  void ShowDistribution(bool triggered);

  void DistributionDataLimiterChangedValue(int i);
 
 signals:
  void ParameterChanged(const QString dialog_id, const QString param_id,
                        const QVariant parameter);
};
 
#endif  // DDT_DATAVISUALISATION_DDTDIALOGS_REFERENCELINE_HPP