From e3fcfe79cca98e294b4b80939d7f67fb6a3b88a8 Mon Sep 17 00:00:00 2001
From: Romulo Pinho <romulo.pinho@lyon.unicancer.fr>
Date: Fri, 17 Feb 2012 15:36:50 +0100
Subject: [PATCH] clitkSetBackground accepts vector fields

---
 tools/clitkSetBackgroundGenericFilter.cxx | 47 +++++++++++++++++++----
 tools/clitkSetBackgroundGenericFilter.txx |  3 +-
 2 files changed, 40 insertions(+), 10 deletions(-)

diff --git a/tools/clitkSetBackgroundGenericFilter.cxx b/tools/clitkSetBackgroundGenericFilter.cxx
index 038fcca..2cb3c00 100644
--- a/tools/clitkSetBackgroundGenericFilter.cxx
+++ b/tools/clitkSetBackgroundGenericFilter.cxx
@@ -50,19 +50,50 @@ SetBackgroundGenericFilter::SetBackgroundGenericFilter()
 void SetBackgroundGenericFilter::Update()
 {
   // Read the Dimension and PixelType
-  int Dimension;
+  int Dimension, Components;
   std::string PixelType;
-  ReadImageDimensionAndPixelType(m_InputFileName, Dimension, PixelType);
+  //ReadImageDimensionAndPixelType(m_InputFileName, Dimension, PixelType);
+  ReadImageDimensionAndPixelType(m_InputFileName, Dimension, PixelType, Components);
 
-
-  // Call UpdateWithDim
-  if(Dimension==2) UpdateWithDim<2>(PixelType);
-  else if(Dimension==3) UpdateWithDim<3>(PixelType);
-  else if (Dimension==4)UpdateWithDim<4>(PixelType);
-  else {
+  if (Dimension > 4) {
     std::cout<<"Error, Only for 2 , 3 or 4 Dimensions!!!"<<std::endl ;
     return;
   }
+  
+  if (Components > 3) {
+    std::cout<<"Error, Only 1, 2, or 3-component images are supported!!!"<<std::endl ;
+    return;
+  }
+
+  if (Components > 1 && PixelType != "float") {
+    std::cout<<"Error, Only float multi-component images are supported!!!"<<std::endl ;
+    return;
+  }
+
+  switch (Components) {
+    case 1:
+      // Call UpdateWithDim
+      if(Dimension==2) UpdateWithDim<2>(PixelType);
+      else if(Dimension==3) UpdateWithDim<3>(PixelType);
+      else if (Dimension==4)UpdateWithDim<4>(PixelType);
+      break;
+    case 2:
+    {
+      typedef itk::Vector<float, 2> TPixelType;
+      if(Dimension==2) UpdateWithDimAndPixelType<2, TPixelType>();
+      else if(Dimension==3) UpdateWithDimAndPixelType<3, TPixelType>();
+      else if (Dimension==4)UpdateWithDimAndPixelType<4, TPixelType>();
+      break;
+    }
+    case 3:
+    {
+      typedef itk::Vector<float, 3> TPixelType;
+      if(Dimension==2) UpdateWithDimAndPixelType<2, TPixelType>();
+      else if(Dimension==3) UpdateWithDimAndPixelType<3, TPixelType>();
+      else if (Dimension==4)UpdateWithDimAndPixelType<4, TPixelType>();
+      break;
+    }
+  }
 }
 
 
diff --git a/tools/clitkSetBackgroundGenericFilter.txx b/tools/clitkSetBackgroundGenericFilter.txx
index 8a825ad..63ccfb0 100644
--- a/tools/clitkSetBackgroundGenericFilter.txx
+++ b/tools/clitkSetBackgroundGenericFilter.txx
@@ -54,7 +54,6 @@ SetBackgroundGenericFilter::UpdateWithDim(std::string PixelType)
   }
 }
 
-
 //-------------------------------------------------------------------
 // Update with the number of dimensions and the pixeltype
 //-------------------------------------------------------------------
@@ -65,7 +64,7 @@ SetBackgroundGenericFilter::UpdateWithDimAndPixelType()
 
   // ImageTypes
   typedef itk::Image<PixelType, Dimension> InputImageType;
-  typedef itk::Image<float, Dimension> MaskImageType;
+  typedef itk::Image<unsigned char, Dimension> MaskImageType;
 
   // Read the input
   typedef itk::ImageFileReader<InputImageType> InputReaderType;
-- 
2.47.1