//  Copyright (C) 2007-2010  CEA/DEN, EDF R&D, 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.
//
//  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 <V3d_View.hxx>

class QColor;
class QRect;

class Handle(V3d_Viewer);

#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;

  void setAnimationMode(bool theDegenerated);

  virtual void          setBackgroundColor( const QColor& color);
  virtual QColor        backgroundColor() const;

//   void         setActive( V3d_TypeOfView );
  virtual bool syncronize( const OCCViewer_ViewPort3d* );

  double getZSize() const;
  void   setZSize( 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          zoom( int, int, int, int );
  virtual void          fitAll( bool keepScale = false, bool withZ = true, bool upd = true );

  virtual void          startRotation( int, int, int, const gp_Pnt& );
  virtual void          rotate( int, int, int, const gp_Pnt& );
  virtual void          endRotation();
  bool                  isBusy() {return myBusy;} // check that View Port is fully initialized

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;

private:
  Handle(V3d_View)      myOrthoView;
  Handle(V3d_View)      myPerspView;
  Handle(V3d_View)      myActiveView;
  bool                  myDegenerated;
  bool                  myAnimate;
  bool                  myBusy;
  double                myScale;
};

#ifdef WIN32
#pragma warning ( default:4251 )
#endif

#endif
