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[FrontAlgorithms.git] / lib / fpa / Image / Dijkstra.h

diff --git a/lib/fpa/Image/Dijkstra.h b/lib/fpa/Image/Dijkstra.h
index 45759cb9c1fa5b9d0cb880dee10068414b2468f0..7992842295bb400e78461cb18f2e1255047d3d5f 100644 (file)
--- a/lib/fpa/Image/Dijkstra.h
+++ b/lib/fpa/Image/Dijkstra.h
@@ -1,101 +1,99 @@
-#ifndef __FPA__IMAGE__DIJKSTRA__H__
-#define __FPA__IMAGE__DIJKSTRA__H__
+// =========================================================================
+// @author Leonardo Florez Valencia
+// @email florez-l@javeriana.edu.co
+// =========================================================================
+
+#ifndef __fpa__Image__Dijkstra__h__
+#define __fpa__Image__Dijkstra__h__
 
-#include <itkFunctionBase.h>
-#include <itkImageToImageFilter.h>
 #include <fpa/Base/Dijkstra.h>
-#include <fpa/Image/Algorithm.h>
-#include <fpa/Image/Functors/ImageCostFunction.h>
+#include <fpa/Base/SeedsInterface.h>
+#include <fpa/Image/MarksInterface.h>
+#include <fpa/Image/Filter.h>
+#include <fpa/Image/MinimumSpanningTree.h>
+#include <fpa/Image/Functors/VertexParentBase.h>
+#include <fpa/Image/Functors/VertexIdentity.h>
 
 namespace fpa
 {
   namespace Image
   {
     /**
-     * @param I Input image type
-     * @param O Output image type
      */
-    template< class I, class O = I >
+    template< class _TInputImage, class _TOutputImage >
     class Dijkstra
-      : public Algorithm< I, O, fpa::Base::Dijkstra< typename I::IndexType, typename I::PixelType, typename O::PixelType, I, itk::Functor::IndexLexicographicCompare< I::ImageDimension >, itk::ImageToImageFilter< I, O > > >
+      : public fpa::Base::Dijkstra< fpa::Image::Filter< _TInputImage, _TOutputImage >, fpa::Image::MarksInterface< _TInputImage::ImageDimension >, fpa::Base::SeedsInterface< typename _TInputImage::IndexType, typename _TInputImage::IndexType::LexicographicCompare >, fpa::Image::MinimumSpanningTree< _TInputImage::ImageDimension > >
     {
     public:
-      typedef fpa::Base::Dijkstra< typename I::IndexType, typename I::PixelType, typename O::PixelType, I, itk::Functor::IndexLexicographicCompare< I::ImageDimension >, itk::ImageToImageFilter< I, O > > TBaseAlgorithm;
-
-      typedef Dijkstra                          Self;
-      typedef Algorithm< I, O, TBaseAlgorithm > Superclass;
-      typedef itk::SmartPointer< Self >         Pointer;
-      typedef itk::SmartPointer< const Self >   ConstPointer;
-
-      typedef typename Superclass::TInputImage          TInputImage;
-      typedef typename Superclass::TOutputImage         TOutputImage;
-      typedef typename Superclass::TVertex              TVertex;
-      typedef typename Superclass::TValue               TValue;
-      typedef typename Superclass::TResult              TResult;
-      typedef typename Superclass::TSpace               TSpace;
-      typedef typename Superclass::TMinimumSpanningTree TMinimumSpanningTree;
-
-      typedef typename Superclass::TStartEvent     TStartEvent;
-      typedef typename Superclass::TStartLoopEvent TStartLoopEvent;
-      typedef typename Superclass::TEndEvent       TEndEvent;
-      typedef typename Superclass::TEndLoopEvent   TEndLoopEvent;
-      typedef typename Superclass::TAliveEvent     TAliveEvent;
-      typedef typename Superclass::TFrontEvent     TFrontEvent;
-      typedef typename Superclass::TFreezeEvent    TFreezeEvent;
-
-      typedef typename Superclass::TStartBacktrackingEvent TStartBacktrackingEvent;
-      typedef typename Superclass::TEndBacktrackingEvent TEndBacktrackingEvent;
-      typedef typename Superclass::TBacktrackingEvent TBacktrackingEvent;
-
-      typedef fpa::Image::Functors::ImageCostFunction< TInputImage, TResult > TCostFunction;
-      typedef itk::FunctionBase< TResult, TResult > TConversionFunction;
-
-    protected:
-      typedef typename Superclass::_TVertices      _TVertices;
-      typedef typename Superclass::_TCollision     _TCollision;
-      typedef typename Superclass::_TCollisionsRow _TCollisionsRow;
-      typedef typename Superclass::_TCollisions    _TCollisions;
-      typedef typename Superclass::_TNode          _TNode;
-      typedef typename Superclass::_TNodes         _TNodes;
+      // Interfaces
+      typedef fpa::Image::Filter< _TInputImage, _TOutputImage > TFilter;
+      typedef fpa::Image::MarksInterface< _TInputImage::ImageDimension > TMarksInterface;
+      typedef fpa::Base::SeedsInterface< typename _TInputImage::IndexType, typename _TInputImage::IndexType::LexicographicCompare > TSeedsInterface;
+      typedef fpa::Image::MinimumSpanningTree< _TInputImage::ImageDimension > TMST;
+
+      // Smart pointers
+      typedef Dijkstra Self;
+      typedef fpa::Base::Dijkstra< TFilter, TMarksInterface, TSeedsInterface, TMST > Superclass;
+      typedef itk::SmartPointer< Self > Pointer;
+      typedef itk::SmartPointer< const Self > ConstPointer;
+
+      typedef typename TFilter::TInputImage TInputImage;
+      typedef typename TFilter::TOutputValue TOutputValue;
+      typedef typename TFilter::TVertex TVertex;
 
     public:
       itkNewMacro( Self );
-      itkTypeMacro( Dijkstra, Algorithm );
-
-      itkGetObjectMacro( CostFunction, TCostFunction );
-      itkGetObjectMacro( ConversionFunction, TConversionFunction );
-
-      itkGetConstObjectMacro( CostFunction, TCostFunction );
-      itkGetConstObjectMacro( ConversionFunction, TConversionFunction );
-
-      itkSetObjectMacro( CostFunction, TCostFunction );
-      itkSetObjectMacro( ConversionFunction, TConversionFunction );
+      itkTypeMacro( fpa::Image::Dijkstra, fpa::Base::Dijkstra );
 
     protected:
-      Dijkstra( );
-      virtual ~Dijkstra( );
-
-      virtual TResult _Cost( const TVertex& v, const TVertex& p ) const;
-
-      virtual void _BeforeGenerateData( );
-      virtual void _InitResults( );
+      Dijkstra( )
+        : Superclass( )
+        {
+          this->SetFunctor(
+            fpa::Image::Functors::
+            VertexIdentity< _TInputImage, typename TFilter::TOutputValue >::
+            New( )
+            );
+        }
+      virtual ~Dijkstra( )        { }
+
+      virtual void _ConfigureOutputs( const TOutputValue& init_value ) override
+        {
+          this->Superclass::_ConfigureOutputs( init_value );
+
+          typename TVertex::OffsetType o;
+          o.Fill( 0 );
+          const TInputImage* input = this->GetInput( );
+          TMST* mst = this->GetMinimumSpanningTree( );
+          mst->CopyInformation( input );
+          mst->SetBufferedRegion( input->GetRequestedRegion( ) );
+          mst->Allocate( );
+          mst->FillBuffer( o );
+        }
+
+      virtual void GenerateData( ) override
+        {
+          // Configure functors with input image
+          typedef typename TFilter::TOutputValue _TOutputValue;
+          typedef fpa::Image::Functors::VertexParentBase< _TInputImage, _TOutputValue > _TVFunc;
+          _TVFunc* vfunc =
+            dynamic_cast< _TVFunc* >( this->m_VertexFunctor.GetPointer( ) );
+          if( vfunc != NULL )
+            vfunc->SetImage( this->GetInput( ) );
+
+          // Ok, continue
+          this->Superclass::GenerateData( );
+        }
 
     private:
-      // Purposely not implemented
       Dijkstra( const Self& other );
       Self& operator=( const Self& other );
-
-    protected:
-      typename TCostFunction::Pointer m_CostFunction;
-      typename TConversionFunction::Pointer m_ConversionFunction;
     };
 
   } // ecapseman
 
 } // ecapseman
 
-#include <fpa/Image/Dijkstra.hxx>
-
-#endif // __FPA__IMAGE__DIJKSTRA__H__
+#endif // __fpa__Image__Dijkstra__h__
 
 // eof - $RCSfile$