MantidGLWidget.h

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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2009 ISIS Rutherford Appleton Laboratory UKRI,
//   NScD Oak Ridge National Laboratory, European Spallation Source,
//   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
// SPDX - License - Identifier: GPL - 3.0 +
#pragma once
 
//-----------------------------------------
// Includes
//-----------------------------------------
#include <QGLWidget>
#include <memory>
 
#include "MantidKernel/V3D.h"
 
//-----------------------------------------
// Forward Declarations
//-----------------------------------------
namespace Mantid {
namespace Geometry {
class IObject;
}
} // namespace Mantid
 
namespace MantidQt {
namespace CustomDialogs {
 
class MantidGLWidget : public QGLWidget {
 
  Q_OBJECT
 
public:
  MantidGLWidget(QWidget *parent = nullptr);
  ~MantidGLWidget() override;
 
  void setDisplayObject(std::shared_ptr<Mantid::Geometry::IObject> object);
 
protected:
  void initializeGL() override;
  void resizeGL(int width, int height) override;
  void paintGL() override;
 
private:
  void setXRotation(int angle);
  void setYRotation(int angle);
  void setZRotation(int angle);
  void setOrthoProjectionMatrix(GLdouble aspect_ratio);
 
private:
  void normalizeAngle(int *angle);
  void mousePressEvent(QMouseEvent *event) override;
  void mouseMoveEvent(QMouseEvent *event) override;
  std::shared_ptr<Mantid::Geometry::IObject> m_display_object;
  GLdouble m_x_rot, m_y_rot, m_z_rot;
  GLdouble m_scale_factor;
  QPoint m_click_point;
  GLdouble m_bb_widths[3];
  GLdouble m_bb_centres[3];
};
} // namespace CustomDialogs
} // namespace MantidQt