#include <cpPlugins/Interface/Mesh.h>

#include <vtkPolyData.h>

// -------------------------------------------------------------------------
void cpPlugins::Interface::Mesh::
SetVTK( vtkObject* mesh )
{
  if( dynamic_cast< vtkPolyData* >( mesh ) != NULL )
    this->m_VTKObject = mesh;
  else
    this->m_VTKObject = NULL;
  this->m_Mapper = NULL;
  this->m_Actor = NULL;
  this->Modified( );
}

// -------------------------------------------------------------------------
void cpPlugins::Interface::Mesh::
CreateVTKActor( )
{
  vtkPolyData* pd = this->GetVTK< vtkPolyData >( );
  if(
    pd != NULL &&
    (
      this->m_Mapper.GetPointer( ) == NULL ||
      this->m_Actor.GetPointer( ) == NULL
      )
    )
  {
    double range[ 2 ];
    pd->GetScalarRange( range );

    this->m_Normals = vtkSmartPointer< vtkPolyDataNormals >::New( );
    this->m_Stripper = vtkSmartPointer< vtkStripper >::New( );
    this->m_Mapper = vtkSmartPointer< vtkPolyDataMapper >::New( );
    this->m_Actor = vtkSmartPointer< vtkQuadricLODActor >::New( );

    this->m_Normals->SetInputData( pd );
    this->m_Normals->SetFeatureAngle( 60.0 );
    this->m_Stripper->SetInputConnection( this->m_Normals->GetOutputPort( ) );
    this->m_Mapper->SetInputConnection( this->m_Stripper->GetOutputPort( ) );
    this->m_Mapper->UseLookupTableScalarRangeOff( );
    this->m_Mapper->SetScalarRange(
      range[ 0 ], ( ( range[ 1 ] - range[ 0 ] ) * 0.75 ) + range[ 0 ]
      );
    this->m_Actor->SetMapper( this->m_Mapper );
    this->m_Actor->DeferLODConstructionOff( );
    this->Modified( );

    /*
      TODO: vtkQuadricLODActor : AllocatedRenderTime
    */

  } // fi
}

// -------------------------------------------------------------------------
vtkActor* cpPlugins::Interface::Mesh::
GetVTKActor( )
{
  return( this->m_Actor );
}

// -------------------------------------------------------------------------
const vtkActor* cpPlugins::Interface::Mesh::
GetVTKActor( ) const
{
  return( this->m_Actor );
}

// -------------------------------------------------------------------------
cpPlugins::Interface::Mesh::
Mesh( )
  : Superclass( ),
    m_Mapper( NULL ),
    m_Actor( NULL )
{
}

// -------------------------------------------------------------------------
cpPlugins::Interface::Mesh::
~Mesh( )
{
}

// eof - $RCSfile$