TFImage.cpp

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//------------------------------------------------------------------------
//
//   Joe Kniss
//     8-8-03
//                   ________    ____   ___ 
//                  |        \  /    | /  /
//                  +---+     \/     |/  /
//                  +--+|  |\    /|     < 
//                  |  ||  | \  / |  |\  \ 
//                  |      |  \/  |  | \  \ 
//                   \_____|      |__|  \__\
//                       Copyright  2003 
//                      Joe Michael Kniss
//                   <<< jmk@cs.utah.edu >>>
//               "All Your Base are Belong to Us"
//-------------------------------------------------------------------------

/// TFImage.cpp

#include "TFImage.h"
#include "TFParams.h"
#include <nrro/nrroUtil.h>
#include <nrro/nrroTypeInfo.h>
#include <mathGutz.h>


using namespace gutz;

TFImage::TFImage(int type, int format, int sx, int sy)
: NrroImage(type, format, sx, sy)
{

}

void TFImage::clear(const DVecType cv)
{

   ///since we are counted an using a smartptr to ourself, we need to 
   /// increment the counter so we are not accidentally deleted
   this->_incCount(); 
   {
      nrroSet(NrroSP(this), cv.v);
   }
   this->_decCount(); 
}

void TFImage::clear(int kind)
{
   //// initiallize the nrro to default values
   DVecType ninit(0.0);
   int i;
   /// pick the default values in the right order
   /// from STF::TF_4MAP_KINDS
   switch(kind)
   {
   case STF::TF_RGBA:
      for(i = 0; i <STF::TF_MAX_R; ++i) 
         ninit[i] = (double)STF::tfRangeType_default[STF::tfRGBA_idx[i]];
      break;
   }

   /// adjust them if they are integral types
   if(NrroType[getType()]->isIntegral()) /// integral type, use full range
   {
      for(int i=0; i<dim(0); ++i)
         ninit[i] = g_affine(0.0,ninit[i],1.0,
                             NrroType[getType()]->min(), NrroType[getType()]->max());
   }

   clear(ninit);
}

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