#include <cpExtensions/Visualization/ImageSliceMapper.h>
#include <vtkActor.h>
#include <vtkCellArray.h>
#include <vtkNew.h>
#include <vtkOpenGLPolyDataMapper.h>
#include <vtkPolyData.h>

// -------------------------------------------------------------------------
cpExtensions::Visualization::ImageSliceMapper::
Self* cpExtensions::Visualization::ImageSliceMapper::
New( )
{
  return( new Self( ) );
}

// -------------------------------------------------------------------------
cpExtensions::Visualization::ImageSliceMapper::
ImageSliceMapper( )
  : Superclass( )
{
#ifdef cpPlugins_OpenGL_BackEnd_OpenGL2
  // Complete polydatas to avoid bizarre rendering errors (multi-thread)
  vtkActor* a[ 3 ];
  a[ 0 ] = this->PolyDataActor;
  a[ 1 ] = this->BackingPolyDataActor;
  a[ 2 ] = this->BackgroundPolyDataActor;
  for( unsigned int i = 0; i < 3; ++i )
  {
    if( a[ i ] != NULL )
    {
      auto m =
        dynamic_cast< vtkOpenGLPolyDataMapper* >( a[ i ]->GetMapper( ) );
      if( m != NULL )
      {
        auto p = m->GetInput( );
        if( p != NULL )
        {
          vtkNew< vtkCellArray > verts;
          vtkNew< vtkCellArray > lines;
          vtkNew< vtkCellArray > strips;
          p->SetVerts( verts.Get( ) );
          p->SetLines( lines.Get( ) );
          p->SetStrips( strips.Get( ) );
          p->Modified( );
          m->Modified( );
          a[ i ]->Modified( );

        } // fi

      } // fi

    } // fi

  } // rof
#endif // cpPlugins_OpenGL_BackEnd_OpenGL2
}

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

// eof - $RCSfile$