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/*====================================================================*
- Copyright (C) 2001 Leptonica. All rights reserved.
- This software is distributed in the hope that it will be
- useful, but with NO WARRANTY OF ANY KIND.
- No author or distributor accepts responsibility to anyone for the
- consequences of using this software, or for whether it serves any
- particular purpose or works at all, unless he or she says so in
- writing. Everyone is granted permission to copy, modify and
- redistribute this source code, for commercial or non-commercial
- purposes, with the following restrictions: (1) the origin of this
- source code must not be misrepresented; (2) modified versions must
- be plainly marked as such; and (3) this notice may not be removed
- or altered from any source or modified source distribution.
*====================================================================*/
/*
* sorttest.c
*
* Tests sorting of connected components by various attributes,
* in increasing or decreasing order.
*/
#include <stdio.h>
#include <stdlib.h>
#include "allheaders.h"
main(int argc,
char **argv)
{
char *filein;
l_int32 i, n, ns;
BOX *box;
BOXA *boxa, *boxas;
PIX *pixs, *pixt;
PIXA *pixa, *pixas, *pixas2;
static char mainName[] = "sorttest";
if (argc != 2)
exit(ERROR_INT(" Syntax: sorttest filein", mainName, 1));
filein = argv[1];
if ((pixs = pixRead(filein)) == NULL)
exit(ERROR_INT("pixs not made", mainName, 1));
#if 0
boxa = pixConnComp(pixs, NULL, 8);
n = boxaGetCount(boxa);
boxas = boxaSort(boxa, L_SORT_BY_PERIMETER, L_SORT_DECREASING, NULL);
ns = boxaGetCount(boxas);
fprintf(stderr, "Number of cc: n = %d, ns = %d\n", n, ns);
boxaWrite("junkboxa", boxas);
for (i = 0; i < n; i++) {
box = boxaGetBox(boxas, i, L_CLONE);
pixRenderBox(pixs, box, 2, L_FLIP_PIXELS);
boxDestroy(&box);
}
pixWrite("junkout", pixs, IFF_PNG);
boxaDestroy(&boxa);
boxaDestroy(&boxas);
#endif
#if 1
boxa = pixConnComp(pixs, &pixa, 8);
n = pixaGetCount(pixa);
pixas = pixaSort(pixa, L_SORT_BY_Y, L_SORT_INCREASING, NULL, L_CLONE);
ns = pixaGetCount(pixas);
fprintf(stderr, "Number of cc: n = %d, ns = %d\n", n, ns);
pixaWrite("junkpixa", pixas);
pixas2 = pixaRead("junkpixa");
pixaWrite("junkpixa2", pixas2);
pixt = pixaDisplayOnLattice(pixas, 100, 100);
pixWrite("junkpix", pixt, IFF_PNG);
boxaWrite("junkboxa", pixas->boxa);
pixDestroy(&pixt);
pixaDestroy(&pixa);
pixaDestroy(&pixas);
pixaDestroy(&pixas2);
boxaDestroy(&boxa);
#endif
pixDestroy(&pixs);
exit(0);
}
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