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SGI Developer Toolbox 6.1
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SGI Developer Toolbox 6.1 - Disc 4.iso
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src
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haeberli
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impression
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sssort.c
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1994-08-01
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/*
* 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* This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics, Inc.;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 Unpublished -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.
*/
/*
* sssort -
* Sort 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;
int i, mode;
if( argc<4 ) {
fprintf(stderr,"usage: sssort in.ss out.ss [-c -d -p -s]\n");
exit(1);
}
for(i=3; i<argc; i++) {
if(strcmp(argv[i],"-c") == 0)
mode |= COLOR;
if(strcmp(argv[i],"-d") == 0)
mode |= DIRECTION;
if(strcmp(argv[i],"-p") == 0)
mode |= POSITION;
if(strcmp(argv[i],"-s") == 0)
mode |= SIZE;
}
iss = ssfromfile(argv[1]);
oss = ssnew();
sssort(iss,oss,mode);
sstofile(argv[2],oss);
}
sssort(iss,oss,mode)
sampleset *iss, *oss;
int mode;
{
sample *samptab[256];
sample *s, *ns;
int i, pos;
for(i=0; i<256; i++)
samptab[i] = 0;
s = iss->head;
while(s) {
pos = s->at0;
ns = s->next;
s->next = samptab[pos];
samptab[pos] = s;
s = ns;
}
for(i=256; i--;) {
s = samptab[i];
while(s) {
ns = s->next;
addsample(oss,s);
s = ns;
}
}
}