OCCViewer_ViewPort3d.h

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// Copyright (C) 2007-2025  CEA, EDF, OPEN CASCADE
//
// Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
//
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
 
#ifndef OCCVIEWER_VIEWPORT3D_H
#define OCCVIEWER_VIEWPORT3D_H
 
#include "OCCViewer_ViewPort.h"
#include "Qtx.h"
 
#include <V3d_View.hxx>
#include <V3d_Viewer.hxx>
 
#include <gp_Ax1.hxx>
 
class QColor;
class QString;
class QRect;
 
#ifdef WIN32
#pragma warning ( disable:4251 )
#endif
 
class OCCVIEWER_EXPORT OCCViewer_ViewPort3d: public OCCViewer_ViewPort
{
  Q_OBJECT
 
  friend class OCCViewer_ViewTransformer;
 
public:
  OCCViewer_ViewPort3d( QWidget*, const Handle(V3d_Viewer)&, V3d_TypeOfView = V3d_ORTHOGRAPHIC );
  virtual ~OCCViewer_ViewPort3d();
 
public:
  Handle(V3d_View)      getView() const;
  Handle(V3d_View)      setView( const Handle(V3d_View)& );
  Handle(V3d_Viewer)    getViewer() const;
 
  virtual void          setBackgroundColor( const QColor& color);    // obsolete
  virtual QColor        backgroundColor() const;                     // obsolete
  void                  setBackground( const Qtx::BackgroundData& color);
  Qtx::BackgroundData   background() const;
 
  virtual int           getBgImgHeight(){return myBgImgHeight; };
  virtual int           getBgImgWidth() {return myBgImgWidth;  };
 
//   void         setActive( V3d_TypeOfView );
  virtual bool          syncronize( const OCCViewer_ViewPort3d* );
 
  void                  getAxialScale( double&, double&, double& );
 
  virtual void          onUpdate();
 
  // TRANSFORMATIONS
  virtual void          reset();
  virtual void          pan( int , int );
  virtual void          setCenter( int , int );
  virtual void          fitRect( const QRect& );
  virtual void          startZoomAtPoint( int, int );
  virtual void          zoom( int, int, int, int );
  virtual void          fitAll( bool keepScale = false, bool withZ = true, bool upd = true );
  virtual void          rotateXY( double );
  virtual void          setAxialScale( double, double, double );
 
  virtual void          startRotation( int, int, int, const gp_Pnt& );
  virtual void          rotate( int, int, int, const gp_Pnt& );
  virtual void          endRotation();
 
  // Set the rotation axis and start automatic rotation
  void                  setRotationAxis(const gp_Vec& theAxis, double theAngle, double theZAngle);
  // Stop the automatic rotation
  void                  stopRotation();
 
  bool                  isBusy() {return myBusy;} // check that View Port is fully initialized
 
  void                  setAdvancedZoomingEnabled( const bool theState ) { myIsAdvancedZoomingEnabled = theState; }
  bool                  isAdvancedZoomingEnabled() const { return myIsAdvancedZoomingEnabled; }
 
  void                  showStaticTrihedron( bool );
  void                  setStaticTrihedronTextFont();
  void                  setStaticTrihedronTextColor();
 
  void                  setDefaultCursor( Qt::CursorShape theCursorShape );
  QCursor*              getDefaultCursor() const;
 
signals:
  void                  vpChangeBackground( const Qtx::BackgroundData& );
  void                  vpClosed(OCCViewer_ViewPort3d*);
  void                  vpMapped(OCCViewer_ViewPort3d*);
  void                  vpResizeEvent( QResizeEvent* );
 
public slots:
  virtual bool          synchronize( OCCViewer_ViewPort* );
 
private slots:
  void                  updateRotation();
  void                  repaintViewAfterMove();
 
protected:
    // EVENTS
  virtual void          paintEvent( QPaintEvent* );
  virtual void          resizeEvent( QResizeEvent* );
 
  // initialization
  virtual void          attachWindow( const Handle(V3d_View)&, const Handle(Aspect_Window)& );
 
private:
  Handle(V3d_View)      activeView() const;
  Handle(V3d_View)      inactiveView() const;
  bool                  mapView( const Handle(V3d_View)& );
  bool                  setWindow( const Handle(V3d_View)& );
  bool                  mapped( const Handle(V3d_View)& ) const;
  void                  updateBackground();
  void                  setDefaultParams();
  
private:
  Handle(V3d_View)      myActiveView;
  bool                  myBusy;
  double                myScale;
  bool                  myIsAdvancedZoomingEnabled;
  Qtx::BackgroundData   myBackground;
  int                   myBgImgHeight;
  int                   myBgImgWidth;
  QCursor*              myCursor;
  // Fields for automatic rotation
  gp_Ax1                myRotAxis;    // The rotation axis
  double                myRotAngle;   // The angular rotation speed
  bool                  myIsRotating; // Whether rotation animation is active
  qint64                myLastRender; // Timestamp of last paint event
  QTimer*               myRotTimer;   // Rotation timer
};
 
#ifdef WIN32
#pragma warning ( default:4251 )
#endif
 
#endif