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Photo CD Demo 1
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raw2fbm.c
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C/C++ Source or Header
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1990-06-24
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/*****************************************************************
* raw2fbm.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.
*
* raw2fbm.c: Convert raw format (for example Amiga rasters)
*
* USAGE
* % raw2fbm -t'title'
* -c'credits'
* -a<aspect>
* -w<width>
* -h<height>
* -d'<planes> < rawfile > fbm
*
* EDITLOG
* LastEditDate = Mon Jun 25 00:18:39 1990 - Michael Mauldin
* LastFileName = /usr2/mlm/src/misc/fbm/raw2fbm.c
*
* HISTORY
* 25-Jun-90 Michael Mauldin (mlm@cs.cmu.edu) Carnegie Mellon
* Package for Release 1.0
*
* 20-May-89 Michael Mauldin (mlm) at Carnegie Mellon University
* Bug fix from Dave Cohrs <dave@cs.wisc.edu>
*
* 07-Mar-89 Michael Mauldin (mlm) at Carnegie Mellon University
* Beta release (version 0.9) mlm@cs.cmu.edu
*
* 20-Aug-88 Michael Mauldin (mlm) at Carnegie-Mellon University
* Created.
*****************************************************************/
# include <stdio.h>
# include "fbm.h"
# define USAGE \
"Usage: raw2fbm [ -t'title' -c'credits' -a<aspect>\n\
-w<width> -h<height> -d'<planes> ] < rawfile > fbm"
#ifndef lint
static char *fbmid =
"$FBM raw2fbm.c <1.0> 25-Jun-90 (C) 1989,1990 by Michael Mauldin, source \
code available free from MLM@CS.CMU.EDU and from UUNET archives$";
#endif
main (argc, argv)
char *argv[];
{ register int j, k, rowlen;
double aspect = 1.2; /* Default for Digiview 640x400 bitmaps */
int rows = 400, cols = 640, planes = 1;
FBMHDR hdr;
unsigned char *buf;
char title[FBM_MAX_TITLE], credits[FBM_MAX_TITLE];
title[0] = '\0';
credits[0] = '\0';
/* Get the options */
while (--argc > 0 && (*++argv)[0] == '-')
{ while (*++(*argv))
{ switch (**argv)
{ case 'a': aspect = atof (*argv+1); SKIPARG; break;
case 'w': cols = atoi (*argv+1); SKIPARG; break;
case 'h': rows = atoi (*argv+1); SKIPARG; break;
case 'd': planes = atoi (*argv+1); SKIPARG; break;
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);
}
}
}
if (argc > 0) cols = atoi (argv[0]);
if (argc > 1) rows = atoi (argv[1]);
if (argc > 2) planes = atoi (argv[2]);
if (argc > 3) aspect = atof (argv[3]);
if (cols < 1 || rows < 1)
{ fprintf (stderr, "Both width (%d) and height (%d) must be positive\n",
cols, rows);
exit (1);
}
if (planes != 1 && planes != 3)
{ fprintf (stderr, "Depth must be 1 for B+W or 3 for RGB color\n");
exit (1);
}
if (aspect < 0.01 || aspect > 100.0)
{ fprintf (stderr, "Pixel aspect ratio (%lg) must be in [0.01 to 100.0]\n",
aspect);
exit (1);
}
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);
buf = (unsigned char *) malloc (cols);
for (k=0; k<planes; k++)
{ for (j=0; j<rows; j++)
{ if (! fread (buf, cols, 1, stdin))
{ fprintf (stdout, "premature end of file on input\n");
exit (1);
}
if (! fwrite (buf, rowlen, 1, stdout))
{ perror ("raw2fbm"); exit (1); }
}
}
exit (0);
}