text: #include "vtkPixelTransfer.h"
  
  //-----------------------------------------------------------------------------
  int vtkPixelTransfer::Blit(
         const vtkPixelExtent &srcWholeExt,
         const vtkPixelExtent &srcExt,
         const vtkPixelExtent &destWholeExt,
         const vtkPixelExtent &destExt,
         int nSrcComps,
         int srcType,
         void *srcData,
         int nDestComps,
         int destType,
         void *destData)
  {
    // first layer of dispatch
    switch(srcType)
      {
      vtkTemplateMacro(
          return vtkPixelTransfer::Blit(
              srcWholeExt,
              srcExt,
              destWholeExt,
              destExt,
              nSrcComps,
              (VTK_TT*)srcData,
              nDestComps,
              destType,
              destData));
      }
    return 0;
  }
  