third-party/leptonica/prog/fhmtauto_reg.c
/*====================================================================*
- Copyright (C) 2001 Leptonica. All rights reserved.
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions
- are met:
- 1. Redistributions of source code must retain the above copyright
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- 2. Redistributions in binary form must reproduce the above
- copyright notice, this list of conditions and the following
- disclaimer in the documentation and/or other materials
- provided with the distribution.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ANY
- CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*====================================================================*/
/*
* fhmtauto_reg.c
*
* Basic regression test for hit-miss transform: rasterops & dwa.
*
* Tests hmt from a set of hmt structuring elements
* by comparing the full image rasterop results with the
* automatically generated dwa results.
*
* Results must be identical for all operations.
*/
#include "allheaders.h"
int main(int argc,
char **argv)
{
l_int32 i, nsels, same1, same2, ok;
char *filein, *selname;
PIX *pixs, *pixref, *pixt1, *pixt2, *pixt3, *pixt4;
SEL *sel;
SELA *sela;
static char mainName[] = "fhmtauto_reg";
if (argc != 2)
return ERROR_INT(" Syntax: fhmtauto_reg filein", mainName, 1);
filein = argv[1];
if ((pixs = pixRead(filein)) == NULL)
return ERROR_INT("pixs not made", mainName, 1);
sela = selaAddHitMiss(NULL);
nsels = selaGetCount(sela);
ok = TRUE;
for (i = 0; i < nsels; i++)
{
sel = selaGetSel(sela, i);
selname = selGetName(sel);
pixref = pixHMT(NULL, pixs, sel);
pixt1 = pixAddBorder(pixs, 32, 0);
pixt2 = pixFHMTGen_1(NULL, pixt1, selname);
pixt3 = pixRemoveBorder(pixt2, 32);
pixt4 = pixHMTDwa_1(NULL, pixs, selname);
pixEqual(pixref, pixt3, &same1);
pixEqual(pixref, pixt4, &same2);
if (same1 && same2)
fprintf(stderr, "hmt are identical for sel %d (%s)\n", i, selname);
else {
fprintf(stderr, "hmt differ for sel %d (%s)\n", i, selname);
ok = FALSE;
}
pixDestroy(&pixref);
pixDestroy(&pixt1);
pixDestroy(&pixt2);
pixDestroy(&pixt3);
pixDestroy(&pixt4);
}
if (ok)
fprintf(stderr, "\n ******** All hmt are correct *******\n");
else
fprintf(stderr, "\n ******** ERROR in at least one hmt *******\n");
pixDestroy(&pixs);
selaDestroy(&sela);
return 0;
}