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redim.c

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#include "utils.h"
#include "inricache.h"
#include <inrimage/image.h>
#include <stdlib.h>

static char Ucmd[]=
"[img] [dest] [-xp x_pas] [-yp y_pas] [-zp z_pas] [-x X] [-y Y] [-z Z] [-x0 X0] [-y0 Y0] [-z0 Z0] [-cache taille_cache] [-time]";

static char Udetail[]=
"genere dest le sous-echantillonnage de img en coupant X0,Y0,Z0 ,par pas de x_pas,y_pas, ou bien de dimensions X,Y et Z.\nSi on donne un pas et une dimension, on prend en compte en priorite la dimension. Si aucun argument n'est donne, on prend un pas de 1.";

int main(int argc,char ** argv)
{
  int x_pas,y_pas,z_pas;
  int x,y,z,x0,y0,z0;
  int time_flag,taille_cache,i;
  struct nf_fmt gfmt_in,gfmt_out;
  inricache *s2D,*d2D;
  char img2D[80]="",dest2D[80]="";

  inr_init(argc,argv,"1.0",Ucmd,Udetail);
  /* recherche des fichiers d'entree et de sortie */
  infileopt(img2D);
  outfileopt(dest2D);

  /* recuperation des options de format de l'image */
  if (!igetopt1("-xp","%d",&x_pas))
    x_pas=1;
  if (!igetopt1("-yp","%d",&y_pas))
    y_pas=1;
  if (!igetopt1("-zp","%d",&z_pas))
    z_pas=1;
  if (!igetopt1("-x","%d",&x))
    x=0;
  if (!igetopt1("-y","%d",&y))
    y=0;
  if (!igetopt1("-z","%d",&z))
    z=0;
  if (!igetopt1("-x0","%d",&x0))
    x0=0;
  if (!igetopt1("-y0","%d",&y0))
    y0=0;
  if (!igetopt1("-z0","%d",&z0))
    z0=0;
  if (!igetopt1("-cache","%d",&taille_cache))
    taille_cache=1;
  time_flag=igetopt0("-time");

  /* verification des options restantes */
  if(tstopts()) /* s'il reste des options : exit avec message */
    iusage_(Ucmd,Udetail);

  s2D=cree_inricache(img2D,"e","",&gfmt_in,taille_cache);

  for (i=0;i<9;i++)
    gfmt_out.lfmt[i]=gfmt_in.lfmt[i];
  for (i=0;i<3;i++)
    gfmt_out.offsets[i]=gfmt_in.offsets[i];
  gfmt_out.maille=gfmt_in.maille;
  gfmt_out.bias=gfmt_in.bias;
  gfmt_out.scale=gfmt_in.scale;

  if (x==0)
    gfmt_out.lfmt[I_NDIMX]=(gfmt_out.lfmt[I_NDIMX]-x0)/x_pas;
  else
    gfmt_out.lfmt[I_NDIMX]=x;
  if (y==0)
    gfmt_out.lfmt[I_NDIMY]=(gfmt_out.lfmt[I_NDIMY]-y0)/y_pas;
  else
    gfmt_out.lfmt[I_NDIMY]=y;
  if (z==0)
    gfmt_out.lfmt[I_NDIMZ]=(gfmt_out.lfmt[I_NDIMZ]-z0)/z_pas;
  else
    gfmt_out.lfmt[I_NDIMZ]=z;
  gfmt_out.lfmt[I_DIMX]=gfmt_out.lfmt[I_NDIMX];
  gfmt_out.lfmt[I_DIMY]=gfmt_out.lfmt[I_NDIMZ]*gfmt_out.lfmt[I_NDIMY];

  d2D=cree_inricache(dest2D,"c","a",&gfmt_out,taille_cache);

  resize_inricache(s2D,d2D,x0,y0,z0,time_flag);

  libere_inricache(s2D);
  libere_inricache(d2D);

  return EXIT_SUCCESS;
}

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