#include <cpExtensions/Visualization/MeshActor.h>

#include <vtkActor.h>
#include <vtkPolyData.h>
#include <vtkPolyDataMapper.h>
#include <vtkQuadricLODActor.h>

// -------------------------------------------------------------------------
cpExtensions::Visualization::MeshActor::
MeshActor( )
{
}

// -------------------------------------------------------------------------
cpExtensions::Visualization::MeshActor::
~MeshActor( )
{
}

// -------------------------------------------------------------------------
void cpExtensions::Visualization::MeshActor::
SetMesh( vtkPolyData* mesh )
{
  static unsigned long MAX = std::numeric_limits< unsigned short >::max( );

  this->m_Mesh = mesh;
  this->m_Mapper = vtkSmartPointer< vtkPolyDataMapper >::New( );
  unsigned long c = mesh->GetNumberOfPolys( ) + mesh->GetNumberOfStrips( );
  if( c >= MAX )
  {
    vtkSmartPointer< vtkQuadricLODActor > q =
      vtkSmartPointer< vtkQuadricLODActor >::New( );
    q->DeferLODConstructionOff( );
    this->m_Actor = q.GetPointer( );
  }
  else
    this->m_Actor = vtkSmartPointer< vtkActor >::New( );
  this->m_Mapper->SetInputData( this->m_Mesh );
  this->m_Actor->SetMapper( this->m_Mapper );
}

// -------------------------------------------------------------------------
vtkActor* cpExtensions::Visualization::MeshActor::
GetActor( )
{
  return( this->m_Actor.GetPointer( ) );
}

// -------------------------------------------------------------------------
const vtkActor* cpExtensions::Visualization::MeshActor::
GetActor( ) const
{
  return( this->m_Actor.GetPointer( ) );
}

// eof - $RCSfile$