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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.
*====================================================================*/
/*
* runlengthtest.c
*
*/
#include <stdio.h>
#include <stdlib.h>
#include "allheaders.h"
main(int argc,
char **argv)
{
PIX *pixs, *pixh, *pixv, *pix, *pixd;
char *filein, *fileout;
static char mainName[] = "runlengthtest";
if (argc != 3)
exit(ERROR_INT(" Syntax: runlengthtest filein fileout", mainName, 1));
filein = argv[1];
fileout = argv[2];
if ((pixs = pixRead(filein)) == NULL)
exit(ERROR_INT("pixs not made", mainName, 1));
startTimer();
pixh = pixRunlengthTransform(pixs, 0, L_HORIZONTAL_RUNS, 8);
pixv = pixRunlengthTransform(pixs, 0, L_VERTICAL_RUNS, 8);
pix = pixMinOrMax(NULL, pixh, pixv, L_CHOOSE_MAX);
pixd = pixMaxDynamicRange(pix, L_LINEAR_SCALE);
fprintf(stderr, "Total time: %7.3f sec\n", stopTimer());
pixDisplay(pixh, 0, 0);
pixDisplay(pixv, 400, 0);
pixDisplay(pix, 800, 0);
pixDisplay(pixd, 1200, 0);
pixWrite("junkpixh", pixh, IFF_PNG);
pixWrite("junkpixv", pixv, IFF_PNG);
pixWrite("junkpix", pix, IFF_PNG);
pixWrite(fileout, pixd, IFF_PNG);
pixDestroy(&pixs);
pixDestroy(&pixh);
pixDestroy(&pixv);
pixDestroy(&pix);
pixDestroy(&pixd);
exit(0);
}
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