third-party/leptonica/prog/reducetest.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
- notice, this list of conditions and the following disclaimer.
- 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,
- PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*====================================================================*/
/*
* reducetest.c
*
* Carries out a rank binary cascade of up to four 2x reductions.
* This requires all four rank levels to be input; to stop the
* cascade, use 0 for the final rank level(s).
*/
#include "allheaders.h"
int main(int argc,
char **argv)
{
PIX *pixs, *pixd;
l_int32 level1, level2, level3, level4;
char *filein, *fileout;
static char mainName[] = "reducetest";
if (argc != 7)
return ERROR_INT(" Syntax: reducetest filein fileout l1 l2 l3 l4",
mainName, 1);
filein = argv[1];
fileout = argv[2];
level1 = atoi(argv[3]);
level2 = atoi(argv[4]);
level3 = atoi(argv[5]);
level4 = atoi(argv[6]);
if ((pixs = pixRead(filein)) == NULL)
return ERROR_INT("pixs not made", mainName, 1);
#if 1
pixd = pixReduceRankBinaryCascade(pixs, level1, level2, level3, level4);
#endif
#if 0
pixd = pixReduce2(pixs, NULL);
#endif
pixWrite(fileout, pixd, IFF_PNG);
return 0;
}