source: ether_eccad/trunk/API_EXTRACT/src/cmap.c @ 68

#include "eccad.h"

ptrRGB alloueColor(int id, int red, int green, int blue)
{  
   ptrRGB c;
   if(c=(ptrRGB) malloc (sizeof(RGB)) )
   {
     c->id= id;
     c->red= red;
     c->green= green;
     c->blue= blue;
   }
   return c;
}
  
ptrInterval alloueInterval(ptrRGB c, unsigned int min, unsigned int max)
{  
   ptrInterval v;
   if(v=(ptrInterval) malloc (sizeof(Interval)) )
   {
     v->min= min;
     v->max= max;
     v->color= c;
   }
   return v;
}

void freeMap(LIST cmap)
{
  ptrInterval v;
  loop_through_list(cmap, v, ptrInterval) free(v);
  free_list(cmap);
}

int inColorId( int *id, ptrRGB c) { return (c->id == *id);}


int val2Color(unsigned int pix,  LIST cmap)
{
   register int i=0;
   ptrInterval v;
   loop_through_list(cmap, v, ptrInterval)
   {
     if(pix <= v->max)
     {
// fprintf(stderr, "  v->max %ld   v->min %ld pixel %ld ->  color %d\n", v->max, v->min, pix, i);
       return i;
     }
     else i++;
   }
   return i-1;
}