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[FrontAlgorithms.git] / lib / fpa / Filters / Image / Algorithm.hxx

diff --git a/lib/fpa/Filters/Image/Algorithm.hxx b/lib/fpa/Filters/Image/Algorithm.hxx
new file mode 100644 (file)
index 0000000..5095992
--- /dev/null
+++ b/lib/fpa/Filters/Image/Algorithm.hxx
@@ -0,0 +1,137 @@
+// =========================================================================
+// @author Leonardo Florez Valencia
+// @email florez-l@javeriana.edu.co
+// =========================================================================
+#ifndef __fpa__Filters__Image__Algorithm__hxx__
+#define __fpa__Filters__Image__Algorithm__hxx__
+
+// -------------------------------------------------------------------------
+template< class _TBaseAlgorithm >
+fpa::Filters::Image::Algorithm< _TBaseAlgorithm >::
+Algorithm( )
+  : Superclass( ),
+    m_NeighborhoodOrder( 1 )
+{
+  fpaFilterOutputConfigureMacro( Marks, TMarksImage );
+}
+
+// -------------------------------------------------------------------------
+template< class _TBaseAlgorithm >
+fpa::Filters::Image::Algorithm< _TBaseAlgorithm >::
+~Algorithm( )
+{
+}
+
+// -------------------------------------------------------------------------
+template< class _TBaseAlgorithm >
+void fpa::Filters::Image::Algorithm< _TBaseAlgorithm >::
+_ConfigureOutputs( )
+{
+  const TInputImage* in = this->GetInput( );
+
+  TOutputImage* out = this->GetOutput( );
+  out->SetLargestPossibleRegion( in->GetLargestPossibleRegion( ) );
+  out->SetRequestedRegion( in->GetRequestedRegion( ) );
+  out->SetBufferedRegion( in->GetBufferedRegion( ) );
+  out->SetSpacing( in->GetSpacing( ) );
+  out->SetOrigin( in->GetOrigin( ) );
+  out->SetDirection( in->GetDirection( ) );
+  out->Allocate( );
+  out->FillBuffer( this->GetInitValue( ) );
+
+  TMarksImage* marks = this->GetMarks( );
+  marks->SetLargestPossibleRegion( in->GetLargestPossibleRegion( ) );
+  marks->SetRequestedRegion( in->GetRequestedRegion( ) );
+  marks->SetBufferedRegion( in->GetBufferedRegion( ) );
+  marks->SetSpacing( in->GetSpacing( ) );
+  marks->SetOrigin( in->GetOrigin( ) );
+  marks->SetDirection( in->GetDirection( ) );
+  marks->Allocate( );
+  marks->FillBuffer( TMark( 0 ) );
+}
+
+// -------------------------------------------------------------------------
+template< class _TBaseAlgorithm >
+typename fpa::Filters::Image::Algorithm< _TBaseAlgorithm >::
+TInputValue fpa::Filters::Image::Algorithm< _TBaseAlgorithm >::
+_GetInputValue( const TVertex& v ) const
+{
+  return( this->GetInput( )->GetPixel( v ) );
+}
+
+// -------------------------------------------------------------------------
+template< class _TBaseAlgorithm >
+typename fpa::Filters::Image::Algorithm< _TBaseAlgorithm >::
+TOutputValue fpa::Filters::Image::Algorithm< _TBaseAlgorithm >::
+_GetOutputValue( const TVertex& v ) const
+{
+  return( this->GetOutput( )->GetPixel( v ) );
+}
+
+// -------------------------------------------------------------------------
+template< class _TBaseAlgorithm >
+typename fpa::Filters::Image::Algorithm< _TBaseAlgorithm >::
+TNeighborhood fpa::Filters::Image::Algorithm< _TBaseAlgorithm >::
+_GetNeighbors( const TVertex& v ) const
+{
+  typename TInputImage::RegionType region =
+    this->GetInput( )->GetRequestedRegion( );
+  TNeighborhood neighborhood;
+  if( this->m_NeighborhoodOrder == 1 )
+  {
+    for( unsigned int d = 0; d < Self::Dimension; ++d )
+    {
+      for( int s = -1; s <= 1; s += 2 )
+      {
+        TVertex n = v;
+        n[ d ] += s;
+        if( region.IsInside( n ) )
+          neighborhood.push_back( n );
+
+      } // rof
+
+    } // rof
+  }
+  else if( this->m_NeighborhoodOrder == 2 )
+  {
+    // TODO
+
+  } // fi
+  return( neighborhood );
+}
+
+// -------------------------------------------------------------------------
+template< class _TBaseAlgorithm >
+void fpa::Filters::Image::Algorithm< _TBaseAlgorithm >::
+_UpdateOutputValue( TNode& n )
+{
+  this->Superclass::_UpdateOutputValue( n );
+  this->GetOutput( )->SetPixel( n.Vertex, n.Value );
+}
+
+// -------------------------------------------------------------------------
+template< class _TBaseAlgorithm >
+unsigned long fpa::Filters::Image::Algorithm< _TBaseAlgorithm >::
+_GetMark( const TVertex& v ) const
+{
+  return( ( unsigned long )( this->GetMarks( )->GetPixel( v ) ) );
+}
+
+// -------------------------------------------------------------------------
+template< class _TBaseAlgorithm >
+bool fpa::Filters::Image::Algorithm< _TBaseAlgorithm >::
+_IsMarked( const TVertex& v ) const
+{
+  return( this->GetMarks( )->GetPixel( v ) != TMark( 0 ) );
+}
+
+// -------------------------------------------------------------------------
+template< class _TBaseAlgorithm >
+void fpa::Filters::Image::Algorithm< _TBaseAlgorithm >::
+_Mark( const TVertex& v, unsigned long m )
+{
+  this->GetMarks( )->SetPixel( v, TMark( m ) );
+}
+
+#endif // __fpa__Filters__Image__Algorithm__hxx__
+// eof - $RCSfile$