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Photo CD Demo 1
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qrt2fbm.c
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C/C++ Source or Header
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1990-06-24
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3KB
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110 lines
/*****************************************************************
* qrt2fbm.c: FBM Release 1.0 25-Feb-90 Michael Mauldin
*
* Copyright (C) 1989,1990 by Michael Mauldin. Permission is granted
* to use this file in whole or in part for any purpose, educational,
* recreational or commercial, provided that this copyright notice
* is retained unchanged. This software is available to all free of
* charge by anonymous FTP and in the UUNET archives.
*
* qrt2fbm.c: Convert QRT format (from the QRT ray tracer)
*
* USAGE
* % qrt2fbm -t'title' -c'credits' < qrtfile > fbm
*
* EDITLOG
* LastEditDate = Mon Jun 25 00:40:50 1990 - Michael Mauldin
* LastFileName = /usr2/mlm/src/misc/fbm/qrt2fbm.c
*
* HISTORY
* 25-Jun-90 Michael Mauldin (mlm@cs.cmu.edu) Carnegie Mellon
* Package for Release 1.0
*
* 7-Apr-89 Michael Mauldin (mlm) at Carnegie-Mellon University
* Installed, code by Butler Hines.
*
*****************************************************************/
# include <stdio.h>
# include "fbm.h"
# define USAGE \
"Usage: qrt2fbm [ -t'title' -c'credits' ] < qrtfile > fbm"
#ifndef lint
static char *fbmid =
"$FBM qrt2fbm.c <1.0> 25-Jun-90 (C) 1989,1990 by Michael Mauldin, source \
code available free from MLM@CS.CMU.EDU and from UUNET archives$";
#endif
main (argc, argv)
char *argv[];
{ register int j, k, rowlen;
double aspect = 0.56;
int rows, cols, line, len, planes=3;
FBMHDR hdr;
unsigned char *buf;
char title[FBM_MAX_TITLE], credits[FBM_MAX_TITLE];
/* Get the options */
while (--argc > 0 && (*++argv)[0] == '-')
{ while (*++(*argv))
{ switch (**argv)
{
case 't': strncpy (title, *argv+1, FBM_MAX_TITLE);
title[FBM_MAX_TITLE-1] = '\0';
CLRARG; break;
case 'c': strncpy (credits, *argv+1, FBM_MAX_TITLE);
credits[FBM_MAX_TITLE-1] = '\0';
CLRARG; break;
default: fprintf (stderr, "%s\n", USAGE);
exit (1);
}
}
}
cols = getchar();
cols |= (getchar()<<8);
rows = getchar();
rows |= (getchar()<<8);
rowlen = 2 * ((cols * 8 + 15) / 16);
/* Build header */
hdr.rows = rows;
hdr.cols = cols;
hdr.planes = planes;
hdr.bits = 8;
hdr.physbits = 8;
hdr.rowlen = rowlen;
hdr.plnlen = hdr.rowlen * rows;
hdr.clrlen = 0;
hdr.aspect = aspect;
strcpy (hdr.title, title);
strcpy (hdr.credits, credits);
write_hdr_fbm (&hdr, stdout);
len = planes*cols;
buf = (unsigned char *) malloc (rows*len);
for (j=0; j<rows; j++){
line = getchar();
line |= (getchar()<<8);
if (! fread (&buf[j*len], len, 1, stdin))
{ fprintf (stderr, "premature end of file on input at line %d\n", line);
break;
}
}
for(k=0; k<planes; k++){
for (j=0; j<rows; j++){
if (! fwrite (&buf[j*len+k*cols], rowlen, 1, stdout))
{ perror ("qrt2fbm"); exit (1); }
}
}
exit (0);
}