SVTK_Renderer.h

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// Copyright (C) 2007-2016  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, 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
//

//  SALOME VTKViewer : build VTK viewer into Salome desktop
//  File   : 
//  Author : 

#ifndef SVTK_Renderer_h
#define SVTK_Renderer_h

#include "SVTK.h"
#include "VTKViewer.h"

#include <vtkObject.h>
#include <vtkSmartPointer.h>

class vtkRenderer;
class vtkCallbackCommand;
class vtkRenderWindowInteractor;

class vtkPicker;
class vtkPointPicker;
class vtkCellPicker;
class vtkProperty;

class SVTK_AreaPicker;

class VTKViewer_Trihedron;
class VTKViewer_Transform;
class SVTK_CubeAxesActor2D;
class VTKViewer_Actor;
class SVTK_Selector;

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

class SVTK_EXPORT SVTK_Renderer : public vtkObject
{
 public:
  vtkTypeMacro(SVTK_Renderer,vtkObject);
  static SVTK_Renderer* New();

  //----------------------------------------------------------------------------
  vtkRenderer* 
  GetDevice();

  virtual
  void 
  Initialize(vtkRenderWindowInteractor* theInteractor,
             SVTK_Selector* theSelector);

  //----------------------------------------------------------------------------
  virtual
  void 
  AddActor(VTKViewer_Actor* theActor, bool theIsAdjustActors = true);

  virtual
  void 
  RemoveActor(VTKViewer_Actor* theActor, bool theIsAdjustActors = true);

  VTKViewer_Transform* 
  GetTransform();

  virtual
  void
  SetScale( double theScale[3] );

  void
  GetScale( double theScale[3] );

  //----------------------------------------------------------------------------
  void
  SetSelectionProp(const double& theRed = 1, 
                   const double& theGreen = 1,
                   const double& theBlue = 0, 
                   const int& theWidth = 5);

  void
  SetPreselectionProp(const double& theRed = 0, 
                      const double& theGreen = 1,
                      const double& theBlue = 1, 
                      const int& theWidth = 5);

  void
  SetSelectionTolerance(const double& theTolNodes = 0.025, 
                        const double& theTolCell = 0.001,
                        const double& theTolObjects = 0.025);

  //----------------------------------------------------------------------------
  void
  AdjustActors();

  void
  SetTrihedronSize(double theSize, const bool theRelative = true);
 
  double  
  GetTrihedronSize() const;

  bool  
  IsTrihedronRelative() const;

  //----------------------------------------------------------------------------
  VTKViewer_Trihedron* 
  GetTrihedron();

  bool 
  IsTrihedronDisplayed();

  void 
  OnViewTrihedron(); 


  void
  SetTrihedronVisibility( const bool );

  void 
  OnAdjustTrihedron();

  //----------------------------------------------------------------------------
  SVTK_CubeAxesActor2D* 
  GetCubeAxes();

  bool 
  IsCubeAxesDisplayed();

  void 
  OnViewCubeAxes();

  void 
  OnAdjustCubeAxes();

  //----------------------------------------------------------------------------
  void OnFitAll(); 

  //----------------------------------------------------------------------------
  void onFitSelection();

  void OnResetView(); 

  void OnResetClippingRange(); 

  void OnFrontView(); 

  void OnBackView(); 

  void OnTopView();

  void OnBottomView();

  void OnRightView(); 

  void OnLeftView();     

  void onClockWiseView();

  void onAntiClockWiseView();

protected:
  SVTK_Renderer();
  ~SVTK_Renderer();

  virtual
  bool
  OnAdjustActors();

  //----------------------------------------------------------------------------
  // Priority at which events are processed
  double myPriority;

  // Used to process events
  vtkSmartPointer<vtkCallbackCommand> myEventCallbackCommand;

  // Description:
  // Main process event method
  static void ProcessEvents(vtkObject* object, 
                            unsigned long event,
                            void* clientdata, 
                            void* calldata);
  
  vtkSmartPointer<vtkRenderer> myDevice;
  vtkRenderWindowInteractor* myInteractor;
  vtkSmartPointer<SVTK_Selector> mySelector;

  //----------------------------------------------------------------------------
  vtkSmartPointer<VTKViewer_Transform> myTransform;

  //----------------------------------------------------------------------------
  // Highlight/ Prehighlight devices
  vtkSmartPointer<vtkPointPicker> myPointPicker;
  vtkSmartPointer<vtkCellPicker> myCellPicker;

  vtkSmartPointer<SVTK_AreaPicker> myPointAreaPicker;
  vtkSmartPointer<SVTK_AreaPicker> myCellAreaPicker;

  vtkSmartPointer<vtkProperty> myPreHighlightProperty;
  vtkSmartPointer<vtkProperty> myHighlightProperty;

  //----------------------------------------------------------------------------
  vtkSmartPointer<SVTK_CubeAxesActor2D> myCubeAxes;
  vtkSmartPointer<VTKViewer_Trihedron> myTrihedron;  
  double myTrihedronSize;
  bool myIsTrihedronRelative;
  double myBndBox[6];
};

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

#endif