--- Code/IO/itkConvertPixelBuffer.h	2007-03-22 10:28:48.000000000 -0400
+++ Code/IO/itkConvertPixelBuffer.h	2008-04-17 13:03:25.000000000 -0400
@@ -47,44 +47,44 @@
   /** General method converts from one type to another. */
   static void Convert(InputPixelType* inputData, 
                       int inputNumberOfComponents, 
-                      OutputPixelType* outputData , int size);
+                      OutputPixelType* outputData , unsigned long size);
   static void ConvertVectorImage(InputPixelType* inputData, 
                       int inputNumberOfComponents, 
-                      OutputPixelType* outputData , int size);
+                      OutputPixelType* outputData , unsigned long size);
 protected:
   /** Convert to Gray output. */
   /** Input values are cast to output values. */
   static void ConvertGrayToGray(InputPixelType* inputData, 
-                                OutputPixelType* outputData , int size);
+                                OutputPixelType* outputData , unsigned long size);
   /** Weights convert from linear RGB to CIE luminance assuming a
    *  modern monitor. See Charles Poynton's Colour FAQ
    *
    *  http://www.inforamp.net/~poynton/notes/colour_and_gamma/ColorFAQ.html */
   static void ConvertRGBToGray(InputPixelType* inputData, 
-                               OutputPixelType* outputData , int size);
+                               OutputPixelType* outputData , unsigned long size);
 
   /** Weights convert from linear RGB to CIE luminance assuming a
    *  modern monitor. Values are attentuated by the Alpha channel. See
    *  Charles Poynton's Colour FAQ 
    *  http://www.inforamp.net/~poynton/notes/colour_and_gamma/ColorFAQ.html */
   static void ConvertRGBAToGray(InputPixelType* inputData, 
-                                OutputPixelType* outputData , int size);
+                                OutputPixelType* outputData , unsigned long size);
   static void ConvertMultiComponentToGray(InputPixelType* inputData, 
                                           int inputNumberOfComponents,
                                           OutputPixelType* outputData , 
-                                          int size);
+                                          unsigned long size);
   
   /** Convert to RGB output. */
   /** Each RGB output component is set the the
    * input Gray value. */
   static void ConvertGrayToRGB(InputPixelType* inputData, 
-                               OutputPixelType* outputData , int size);
+                               OutputPixelType* outputData , unsigned long size);
   /** Input values are cast component by component to output values. */
   static void ConvertRGBToRGB(InputPixelType* inputData, 
-                              OutputPixelType* outputData , int size);
+                              OutputPixelType* outputData , unsigned long size);
   /** Input values are attenuated by the Alpha channel. */
   static void ConvertRGBAToRGB(InputPixelType* inputData, 
-                               OutputPixelType* outputData , int size);
+                               OutputPixelType* outputData , unsigned long size);
   /** Conversion depends upon the number of components in the
    * input. If the number of input components is 2, the output
    * components are each set to the first input component attenuated
@@ -96,19 +96,19 @@
   static void ConvertMultiComponentToRGB(InputPixelType* inputData, 
                                          int inputNumberOfComponents,
                                          OutputPixelType* outputData , 
-                                         int size);
+                                         unsigned long size);
     
   /** Convert to RGBA output. */
   static void ConvertGrayToRGBA(InputPixelType* inputData, 
-                                OutputPixelType* outputData , int size);
+                                OutputPixelType* outputData , unsigned long size);
   static void ConvertRGBToRGBA(InputPixelType* inputData, 
-                               OutputPixelType* outputData , int size);
+                               OutputPixelType* outputData , unsigned long size);
   static void ConvertRGBAToRGBA(InputPixelType* inputData, 
-                                OutputPixelType* outputData , int size);
+                                OutputPixelType* outputData , unsigned long size);
   static void ConvertMultiComponentToRGBA(InputPixelType* inputData, 
                                           int inputNumberOfComponents,
                                           OutputPixelType* outputData , 
-                                          int size);
+                                          unsigned long size);
     
 private:
   ConvertPixelBuffer();
--- Code/IO/itkConvertPixelBuffer.txx	2007-03-29 14:39:27.000000000 -0400
+++ Code/IO/itkConvertPixelBuffer.txx	2008-04-17 13:42:16.000000000 -0400
@@ -30,7 +30,7 @@
 ConvertPixelBuffer<InputPixelType, OutputPixelType, OutputConvertTraits>
 ::Convert(InputPixelType* inputData, 
           int inputNumberOfComponents, 
-          OutputPixelType* outputData , int size)
+          OutputPixelType* outputData , unsigned long size)
 {
   switch(OutputConvertTraits::GetNumberOfComponents())
     {
@@ -106,7 +106,7 @@
 void
 ConvertPixelBuffer<InputPixelType, OutputPixelType, OutputConvertTraits>
 ::ConvertGrayToGray(InputPixelType* inputData, 
-                    OutputPixelType* outputData , int size)
+                    OutputPixelType* outputData , unsigned long size)
 {
   InputPixelType* endInput = inputData + size;
   while(inputData != endInput)
@@ -126,7 +126,7 @@
 void
 ConvertPixelBuffer<InputPixelType, OutputPixelType, OutputConvertTraits>
 ::ConvertRGBToGray(InputPixelType* inputData, 
-                   OutputPixelType* outputData , int size)
+                   OutputPixelType* outputData , unsigned long size)
 {   
   // Weights convert from linear RGB to CIE luminance assuming a
   // modern monitor.  See Charles Pontyon's Colour FAQ
@@ -154,7 +154,7 @@
 void
 ConvertPixelBuffer<InputPixelType, OutputPixelType, OutputConvertTraits>
 ::ConvertRGBAToGray(InputPixelType* inputData, 
-                    OutputPixelType* outputData , int size)
+                    OutputPixelType* outputData , unsigned long size)
 {   
   // Weights convert from linear RGB to CIE luminance assuming a
   // modern monitor.  See Charles Pontyon's Colour FAQ
@@ -184,7 +184,7 @@
 ConvertPixelBuffer<InputPixelType, OutputPixelType, OutputConvertTraits>
 ::ConvertMultiComponentToGray(InputPixelType* inputData, 
                               int inputNumberOfComponents,
-                              OutputPixelType* outputData , int size)
+                              OutputPixelType* outputData , unsigned long size)
 {
   // 2 components assumed intensity and alpha
   if(inputNumberOfComponents == 2)
@@ -232,7 +232,7 @@
 void
 ConvertPixelBuffer<InputPixelType, OutputPixelType, OutputConvertTraits>
 ::ConvertGrayToRGB(InputPixelType* inputData, 
-                   OutputPixelType* outputData , int size)
+                   OutputPixelType* outputData , unsigned long size)
 {
   InputPixelType* endInput = inputData + size;
   while(inputData != endInput)
@@ -262,7 +262,7 @@
 void
 ConvertPixelBuffer<InputPixelType, OutputPixelType, OutputConvertTraits>
 ::ConvertRGBToRGB(InputPixelType* inputData, 
-                  OutputPixelType* outputData , int size)
+                  OutputPixelType* outputData , unsigned long size)
 {
   InputPixelType* endInput = inputData + size * 3;
   while(inputData != endInput)
@@ -291,7 +291,7 @@
 void
 ConvertPixelBuffer<InputPixelType, OutputPixelType, OutputConvertTraits>
 ::ConvertRGBAToRGB(InputPixelType* inputData, 
-                   OutputPixelType* outputData , int size)
+                   OutputPixelType* outputData , unsigned long size)
 {  
   InputPixelType* endInput = inputData + size* 4;
   while(inputData != endInput)
@@ -323,7 +323,7 @@
 ::ConvertMultiComponentToRGB(InputPixelType* inputData, 
                              int inputNumberOfComponents,
                              OutputPixelType* outputData , 
-                             int size)
+                             unsigned long size)
 {
   // assume intensity alpha
   if(inputNumberOfComponents == 2)
@@ -378,7 +378,7 @@
 void
 ConvertPixelBuffer<InputPixelType, OutputPixelType, OutputConvertTraits>
 ::ConvertGrayToRGBA(InputPixelType* inputData, 
-                    OutputPixelType* outputData , int size)
+                    OutputPixelType* outputData , unsigned long size)
   
 {
   InputPixelType* endInput = inputData + size;
@@ -412,7 +412,7 @@
 void
 ConvertPixelBuffer<InputPixelType, OutputPixelType, OutputConvertTraits>
 ::ConvertRGBToRGBA(InputPixelType* inputData, 
-                   OutputPixelType* outputData , int size)
+                   OutputPixelType* outputData , unsigned long size)
 {
   InputPixelType* endInput = inputData + size * 3;
   while(inputData != endInput)
@@ -446,7 +446,7 @@
 void
 ConvertPixelBuffer<InputPixelType, OutputPixelType, OutputConvertTraits>
 ::ConvertRGBAToRGBA(InputPixelType* inputData, 
-                    OutputPixelType* outputData , int size)
+                    OutputPixelType* outputData , unsigned long size)
 {
   InputPixelType* endInput = inputData + size*4;
   while(inputData != endInput)
@@ -481,7 +481,7 @@
 ::ConvertMultiComponentToRGBA(InputPixelType* inputData, 
                               int inputNumberOfComponents,
                               OutputPixelType* outputData , 
-                              int size)
+                              unsigned long size)
 {
   // equal weights for 2 components??
   if(inputNumberOfComponents == 2)
@@ -538,7 +538,7 @@
 ConvertPixelBuffer<InputPixelType, OutputPixelType, OutputConvertTraits>
 ::ConvertVectorImage(InputPixelType* inputData, 
                      int inputNumberOfComponents, 
-                     OutputPixelType* outputData , int size)
+                     OutputPixelType* outputData , unsigned long size)
 {
   unsigned long length = static_cast< unsigned long >(size* inputNumberOfComponents);
   for( unsigned long i=0; i< length; i++ )
--- Code/IO/itkImageFileReader.txx	2007-09-08 13:33:53.000000000 -0400
+++ Code/IO/itkImageFileReader.txx	2008-04-17 13:02:44.000000000 -0400
@@ -426,7 +426,7 @@
         static_cast<type*>(inputData),                  \
         m_ImageIO->GetNumberOfComponents(),             \
         outputData,                                     \
-        static_cast<int>(numberOfPixels));              \
+        numberOfPixels);              \
      } \
    else \
      { \
@@ -439,7 +439,7 @@
         static_cast<type*>(inputData),                  \
         m_ImageIO->GetNumberOfComponents(),             \
         outputData,                                     \
-        static_cast<int>(numberOfPixels));              \
+        numberOfPixels);              \
       } \
     }
   if(0)