QVTKRenderWindowAdapter.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    QVTKRenderWindowAdapter.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 QVTKRenderWindowAdapter_h
#define QVTKRenderWindowAdapter_h
 
#include "vtkGUISupportQtModule.h" // For export macro
#include <QObject>
 
#include <QCursor>        // for ivar
#include <QScopedPointer> // for ivar
 
class QOpenGLContext;
class QSurfaceFormat;
class QWidget;
class QWindow;
class vtkGenericOpenGLRenderWindow;
class vtkObject;
 
class VTKGUISUPPORTQT_EXPORT QVTKRenderWindowAdapter : public QObject
{
  Q_OBJECT;
  using Superclass = QObject;
 
public:
 
  QVTKRenderWindowAdapter(
    QOpenGLContext* cntxt, vtkGenericOpenGLRenderWindow* window, QWindow* parent);
  QVTKRenderWindowAdapter(
    QOpenGLContext* cntxt, vtkGenericOpenGLRenderWindow* window, QWidget* parent);
 
  ~QVTKRenderWindowAdapter() override;
 
  static QSurfaceFormat defaultFormat(bool stereo_capable = false);
 
  QOpenGLContext* context() const;
 
  void paint();
 
  void resize(int width, int height);
 
 
  bool blit(
    unsigned int targetId, int targetAttachement, const QRect& targetRect, bool left = true);
  bool blitLeftEye(unsigned int targetId, int targetAttachement, const QRect& targetRect)
  {
    return this->blit(targetId, targetAttachement, targetRect, true);
  }
  bool blitRightEye(unsigned int targetId, int targetAttachement, const QRect& targetRect)
  {
    return this->blit(targetId, targetAttachement, targetRect, false);
  }
 
  bool handleEvent(QEvent* evt);
 
 
  void setDefaultCursor(const QCursor& cursor) { this->DefaultCursor = cursor; }
  const QCursor& defaultCursor() const { return this->DefaultCursor; }
 
 
  void setEnableHiDPI(bool value);
 
 
  void setUnscaledDPI(int value);
 
 
  void setCustomDevicePixelRatio(double dpr);
 
private Q_SLOTS:
  void contextAboutToBeDestroyed();
 
private:
  QVTKRenderWindowAdapter(
    QOpenGLContext* cntxt, vtkGenericOpenGLRenderWindow* window, QObject* widgetOrWindow);
  Q_DISABLE_COPY(QVTKRenderWindowAdapter);
 
  class QVTKInternals;
  QScopedPointer<QVTKInternals> Internals;
 
  QCursor DefaultCursor;
};
 
#endif