QVTKOpenGLWidget.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    QVTKOpenGLWidget.h
 
  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
 
     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.
 
=========================================================================*/
#ifndef QVTKOpenGLWidget_h
#define QVTKOpenGLWidget_h
 
#include "vtkGUISupportQtModule.h" // For export macro
 
#include <QWidget>
 
// Forward Qt class declarations
class QSurfaceFormat;
class QOpenGLContext;
 
//class QVTKInteractor;
class QVTKInteractorAdapter;
class QVTKOpenGLWindow;
class vtkGenericOpenGLRenderWindow;
class vtkRenderWindow;
class vtkRenderWindowInteractor;
 
class VTKGUISUPPORTQT_EXPORT QVTKOpenGLWidget : public QWidget
{
  Q_OBJECT
  typedef QWidget Superclass;
public:
  QVTKOpenGLWidget(QWidget* parent = Q_NULLPTR,
    Qt::WindowFlags f = Qt::WindowFlags());
  QVTKOpenGLWidget(QOpenGLContext *shareContext, QWidget* parent = Q_NULLPTR,
    Qt::WindowFlags f = Qt::WindowFlags());
  QVTKOpenGLWidget(vtkGenericOpenGLRenderWindow* w,
    QWidget* parent = Q_NULLPTR, Qt::WindowFlags f = Qt::WindowFlags());
  QVTKOpenGLWidget(vtkGenericOpenGLRenderWindow* w, QOpenGLContext *shareContext,
    QWidget* parent = Q_NULLPTR, Qt::WindowFlags f = Qt::WindowFlags());
  ~QVTKOpenGLWidget() override;
 
  void SetRenderWindow(vtkGenericOpenGLRenderWindow* win);
  void SetRenderWindow(vtkRenderWindow* win);
 
  virtual vtkRenderWindow* GetRenderWindow();
 
  virtual vtkRenderWindowInteractor* GetInteractor();
 
  virtual QVTKInteractorAdapter* GetInteractorAdapter();
 
  static QSurfaceFormat defaultFormat();
 
  void setFormat(const QSurfaceFormat& format);
 
  virtual void setEnableHiDPI(bool enable);
  virtual bool enableHiDPI() { return this->EnableHiDPI; }
 
  void setQVTKCursor(const QCursor &cursor);
 
  virtual bool isValid();
 
  virtual bool testingEvent(QEvent* e);
 
  QImage grabFramebuffer();
 
   Q_SIGNALS:
  void mouseEvent(QMouseEvent* event);
 
  void resized();
 
  void widgetEvent(QEvent* e);
 
private Q_SLOTS:
  void windowEvent(QEvent* event);
 
protected:
  virtual void resizeEvent(QResizeEvent* event) Q_DECL_OVERRIDE;
  virtual bool event(QEvent* e) Q_DECL_OVERRIDE;
 
  bool EnableHiDPI = true;
 
private:
  QVTKOpenGLWindow* qVTKOpenGLWindowInternal;
};
 
#endif