example6.c

User defined neighborhood operations

/***********************************************************************
 * Fulguro Example 6 : User defined neighborhood operations
 ***********************************************************************/
#include <flgrCoreTypes.h>
#include <flgrCoreErrors.h>
#include <flgrCoreData.h>
#include <flgrCoreIO.h>
#include <flgrCoreSlideWindow.h>
#include <flgrCoreNhbManage.h>
#include <flgrArith.h>
#include <flgrImageIO.h>
#include <flgrMorphoBase.h>



void flgr2d_my_maximum_fgUINT8(FLGR_Vector *result, FLGR_NhbBox2D *extr) {
  int i,k;              
  int spp = extr->spp;
  fgUINT8 *presult = (fgUINT8 *) result->array;
  fgUINT8 *list_data_val;
  int *size = extr->size;
  fgUINT8 maxi;

  for(k=0 ; k<spp ; k++) {
    list_data_val = (fgUINT8 *) extr->list_data_val[k];
    maxi = list_data_val[0];
    for(i=1 ; i<size[k] ; i++){
      maxi = FLGR_MAX(maxi,list_data_val[i]);
    }
    flgr_set_array_fgUINT8(presult,k,maxi);
  }

  return;
}

void flgr2d_my_dilate_fgUINT8(FLGR_Data2D *imgdest, FLGR_Data2D *imgsrc, FLGR_Data2D *nhb) {
  flgr2d_raster_slide_window(imgdest, imgsrc, nhb, FLGR_NHB_NO_SYM, flgr2d_my_maximum_fgUINT8);
}





int main(void) {
  FLGR_Data2D *imin;
  FLGR_Data2D *imDest1, *imDest2, *imtmp;
  FLGR_Data2D *nhb;
  int i;

  imin    = flgr2d_load_pgm("../../images/gray/lena.pgm");
  imDest1 = flgr2d_create_pixmap_from(imin);
  nhb     = flgr2d_create_neighborhood(13,13,imin->spp,imin->type,FLGR_HEX,FLGR_6_CONNEX);


  flgr2d_my_dilate_fgUINT8(imDest1, imin, nhb);

  flgr2d_save_pgm(imDest1,"my_dilate_uint8.pgm",5);

  flgr2d_destroy(imin);
  flgr2d_destroy(imDest1);
  flgr2d_destroy(nhb);
}