ddtGraphicsViewDraw.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 ddtGraphicsViewDraw.hpp
// @brief DDT Widgets. Helper class for the graphics display of the DDT Image
// Widget.
//
// Helper class for the Graphics View of the Image Widget.
//
// @author Christoph Bortlisz, CGI
// @since  2021/08/04
 
#ifndef DATAVISUALISATION_WIDGETSDIALOGS_SRC_INCLUDE_DDT_WIDGETS_DDTGRAPHICSVIEWDRAW_HPP_
#define DATAVISUALISATION_WIDGETSDIALOGS_SRC_INCLUDE_DDT_WIDGETS_DDTGRAPHICSVIEWDRAW_HPP_
 
#include <QtWidgets>
 
#include "ddt/ddtGraphicalElementImage.hpp"
#include "ddt/ddtGraphicalElementProperties.hpp"
#include "ddt/ddtGraphicalElementRefLine.hpp"
#include "ddt/ddtGraphicalElementSlit.hpp"
#include "ddt/ddtGraphicalElementStatRectangle.hpp"
#include "ddt/ddtGraphicsTextItem.hpp"
#include "ddt/ddtOverlayRendering.hpp"
 
class DdtGraphicsViewDraw {
 public:
  DdtGraphicsViewDraw() = default;
 
  void DrawMeasurements(QPainter& painter, const QPointF start,
                        const QPointF end) const;
 
  void CreateRefLine(DdtGraphicalElementRefLine*& ref_line_element,
                     QGraphicsScene* const scene, const QPointF start,
                     const QPointF end) const;
 
  void DrawRefLine(DdtGraphicalElementRefLine*& ref_line_element,
                   QGraphicsScene* const scene, QPainter& painter,
                   const QPointF start, const QPointF end) const;
 
  void CreateStatisticRect(DdtGraphicalElementStatRectangle*& statistic_rect,
                           QGraphicsScene* const scene, const double x1,
                           const double y1, const double x2,
                           const double y2) const;
 
  void DrawStatisticRectangle(DdtGraphicalElementStatRectangle*& statistic_rect,
                              QGraphicsScene* const scene, QPainter& painter,
                              const QPointF start, const QPointF end) const;
 
  void DrawGraphicalElement(
      QGraphicsScene* const scene, QPainter& painter, const QPointF start,
      const QPointF end, const QString draw_mode,
      const DdtGraphicalElementProperties& overlay_properties,
      const QString overlay_image_file) const;
 
  void SetConvertPixelToDegrees(const double convPixelDegrees);
 
 private:
  double convert_pixel_to_degrees = 0.0;
 
  void DrawMeasurementLines(QPainter& painter, const QLineF& line,
                            const QLineF& line2, const QLineF& linex,
                            const QLineF& liney) const;
  void DrawMeasurementText(QPainter& painter, const QRectF& measurement_rect,
                           const QRectF& textx_rect, const QRectF& texty_rect,
                           const QString measurement_text,
                           const QString x_offset_text,
                           const QString y_offset_text) const;
  QString GetTextForMeasurementLine(const qreal length,
                                    const bool draw_distance_in_degrees) const;
  double GetPixelDistance(const QPointF start, const QPointF end,
                          double* const xoffset, double* const yoffset) const;
  void GetMovementCorrectionValues(const QPainter& painter,
                                   const bool draw_distance_in_degrees,
                                   qreal* const movehorizontal,
                                   qreal* const movevertical,
                                   qreal* const rect_width,
                                   qreal* const rect_height) const;
  QRectF GetMeasurementRectangle(const QPainter& painter, const QLineF& line,
                                 const QLineF& linex, const QLineF& liney,
                                 const qreal movehorizontal,
                                 const qreal movevertical,
                                 const qreal rect_width,
                                 const qreal rect_height) const;
  QRectF GetLineXRectangle(const QPainter& painter, const QLineF& linex,
                           const QLineF& liney, const qreal movehorizontal,
                           const qreal movevertical, const qreal rect_width,
                           const qreal rect_height) const;
  QRectF GetLineYRectangle(const QPainter& painter, const QLineF& linex,
                           const QLineF& liney, const qreal movehorizontal,
                           const qreal movevertical, const qreal rect_width,
                           const qreal rect_height) const;
 
  QString DegreesToString(double deg) const;
 
  QString ConstructDegreesString(const qreal length) const;
};
 
#endif /* DATAVISUALISATION_WIDGETSDIALOGS_SRC_INCLUDE_DDT_WIDGETS_DDTGRAPHICSVIEWDRAW_HPP_ \
        */