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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.
*====================================================================*/
/*
* scaletest1.c
*
* scaletest1 filein scalex scaley fileout
*
* where scalex and scaley are floats
*/
#include <stdio.h>
#include <stdlib.h>
#include "allheaders.h"
main(int argc,
char **argv)
{
char *filein, *fileout;
l_int32 d;
l_float32 scalex, scaley;
PIX *pixs, *pixd;
static char mainName[] = "scaletest1";
if (argc != 5)
exit(ERROR_INT(" Syntax: scaletest1 filein scalex scaley fileout",
mainName, 1));
filein = argv[1];
scalex = atof(argv[2]);
scaley = atof(argv[3]);
fileout = argv[4];
if ((pixs = pixRead(filein)) == NULL)
exit(ERROR_INT("pixs not made", mainName, 1));
/* choose type of scaling operation */
#if 0
pixd = pixScale(pixs, scalex, scaley);
#elif 0
pixd = pixScaleSmooth(pixs, scalex, scaley);
#elif 1
pixd = pixScaleAreaMap(pixs, scalex, scaley);
#else
pixd = pixScaleBySampling(pixs, scalex, scaley);
#endif
d = pixGetDepth(pixd);
if (d == 1)
pixWrite(fileout, pixd, IFF_PNG);
else
pixWrite(fileout, pixd, IFF_JFIF_JPEG);
pixDestroy(&pixs);
pixDestroy(&pixd);
exit(0);
}
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