home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
SGI Developer Toolbox 6.1
/
SGI Developer Toolbox 6.1 - Disc 4.iso
/
src
/
haeberli
/
impression
/
ssscale.c
< prev
next >
Wrap
C/C++ Source or Header
|
1994-08-01
|
2KB
|
71 lines
/*
* Copyright 1991, 1992, 1993, 1994, Silicon Graphics, Inc.
* All Rights Reserved.
*
* This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics, Inc.;
* the contents of this file may not be disclosed to third parties, copied or
* duplicated in any form, in whole or in part, without the prior written
* permission of Silicon Graphics, Inc.
*
* RESTRICTED RIGHTS LEGEND:
* Use, duplication or disclosure by the Government is subject to restrictions
* as set forth in subdivision (c)(1)(ii) of the Rights in Technical Data
* and Computer Software clause at DFARS 252.227-7013, and/or in similar or
* successor clauses in the FAR, DOD or NASA FAR Supplement. Unpublished -
* rights reserved under the Copyright Laws of the United States.
*/
/*
* ssscale -
* Scale a sample set
*
* Paul Haeberli - 1988
*/
#include "stdio.h"
#include "ss.h"
#include "math.h"
#define COLOR 1
#define DIRECTION 2
#define POSITION 4
#define SIZE 8
main(argc,argv)
int argc;
char **argv;
{
sampleset *iss, *oss;
float mag;
int i;
if( argc<4 ) {
fprintf(stderr,"usage: ssscale in.ss out.ss mag\n");
exit(1);
}
mag = atof(argv[3]);
iss = ssfromfile(argv[1]);
oss = ssnew();
ssscale(iss,oss,mag);
sstofile(argv[2],oss);
}
ssscale(iss,oss,mag)
sampleset *iss, *oss;
float mag;
{
sample *s, *ns;
int imag, bimag;
int size;
s = iss->head;
while(s) {
ns = sclone(s);
size = mag*ns->at0;
if(size>255)
size = 255;
ns->at0 = size;
addsample(oss,ns);
s = s->next;
}
}