/*=========================================================================                                                                               
  Program:   bbtk
  Module:    $RCSfile: bbvtkIsoSurfaceExtractor.cxx,v $
  Language:  C++
  Date:      $Date: 2008/11/21 12:25:42 $
  Version:   $Revision: 1.9 $
=========================================================================*/

/* ---------------------------------------------------------------------

* Copyright (c) CREATIS-LRMN (Centre de Recherche en Imagerie Medicale)
* Authors : Eduardo Davila, Laurent Guigues, Jean-Pierre Roux
*
*  This software is governed by the CeCILL-B license under French law and 
*  abiding by the rules of distribution of free software. You can  use, 
*  modify and/ or redistribute the software under the terms of the CeCILL-B 
*  license as circulated by CEA, CNRS and INRIA at the following URL 
*  http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html 
*  or in the file LICENSE.txt.
*
*  As a counterpart to the access to the source code and  rights to copy,
*  modify and redistribute granted by the license, users are provided only
*  with a limited warranty  and the software's author,  the holder of the
*  economic rights,  and the successive licensors  have only  limited
*  liability. 
*
*  The fact that you are presently reading this means that you have had
*  knowledge of the CeCILL-B license and that you accept its terms.
* ------------------------------------------------------------------------ */                                                                         

/**
 *  \file 
 *  \brief 
 */


#ifdef _USE_VTK_

#include "vtkProperty.h"
#include "vtkLinearTransform.h"

#include "bbvtkIsoSurfaceExtractor.h"
#include "bbvtkPackage.h"

namespace bbvtk
{
   BBTK_ADD_BLACK_BOX_TO_PACKAGE(vtk,IsoSurfaceExtractor)
   BBTK_BLACK_BOX_IMPLEMENTATION(IsoSurfaceExtractor,bbtk::AtomicBlackBox);

   void IsoSurfaceExtractor::bbUserConstructor() 
   { 
     Init();
     std::vector<double> colour;
     colour.push_back(1.0);
     colour.push_back(1.0);
     colour.push_back(0.5);
     bbSetInputColour(colour);
	 bbSetInputTransform(NULL);
   }
   void IsoSurfaceExtractor::bbUserCopyConstructor() 
   { 
     Init();
   }

   void IsoSurfaceExtractor::bbUserDestructor() 
   { 
     marchingcubes->Delete();
     polydatamapper->Delete();
     vtkactor->Delete();
  }

   void IsoSurfaceExtractor::Init() 
   { 
     firsttime=true;

     bbSetInputIn(NULL);
     //     bbSetInputInVtkObject(NULL);
     bbSetInputRenderer(NULL);
     bbSetInputIsovalue(400);
     bbSetInputOpacity(1);
	 
     marchingcubes	= vtkMarchingCubes::New();
     polydatamapper	= vtkPolyDataMapper::New();
     vtkactor           = vtkActor::New();

     polydatamapper->SetInput(marchingcubes->GetOutput());
     vtkactor->SetMapper(polydatamapper);

     polydatamapper->ScalarVisibilityOff();
     polydatamapper->ImmediateModeRenderingOn();
}

//---------------------------------------------------------------------

   void IsoSurfaceExtractor::DoProcess()
   {
     //   bbGetInputIn()->Print(std::cout);
     // Visualisation - result volume
     marchingcubes->SetInput( bbGetInputIn() );
     marchingcubes->SetValue(0,  bbGetInputIsovalue() );
     marchingcubes->Update();
     
     vtkactor->GetProperty()->SetColor( bbGetInputColour()[0],  
					bbGetInputColour()[1], 
					bbGetInputColour()[2] );
     
     
     vtkactor->GetProperty()->SetOpacity( bbGetInputOpacity() );
	
	 if ( bbGetInputTransform()!=NULL )
	 {
	 	 vtkactor->SetUserTransform( bbGetInputTransform() );
	 }

     bbSetOutputOut( vtkactor );
     
     // Interface Update
     if ((firsttime==true) && (bbGetInputRenderer()!=NULL ))
     {
		firsttime=false;
	    bbGetInputRenderer()->AddActor( vtkactor );
     }
   }
} // EO namespace bbtk

#endif //_USE_VTK_