/*--------------------------- Commande MegaWave -----------------------------*//* mwcommand  name = {opening};  version = {"2.1"};  author = {"Lionel Moisan"};  function = {"opening/closing of a cimage"};  usage = {     'i'->i          "if set, a closing is applied instead of an opening",     's':s->s        "if set, the shape s is taken as structuring element",     'r':[r=1.0]->r  "otherwise, a disc of radius r (default 1.0) is used",     'n':[n=1]->n    "number of iterations (default: 1)",     in->u           "input image",     out<-v          "output image"          };*/#include <stdio.h>#include "mw.h"extern Cimage erosion();Cimage opening(u, v, r, s, n, i)     Cimage u,v;     float  *r;     Curve  s;     int    *n;     char   *i;{  Cimage w;  char   *ni;    v = mw_change_cimage(v,u->nrow,u->ncol);  w = mw_change_cimage(NULL,u->nrow,u->ncol);  if (!v || !w) mwerror(FATAL,1,"Not enough memory.");    erosion(u,w,r,s,n,i);  erosion(w,v,r,s,n,(char *)(!i));    mw_delete_cimage(w);    return v;}