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fbm12s.lha
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flwrfb.c
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C/C++ Source or Header
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1994-07-18
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/*****************************************************************
* flwrfb.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.
*
* flwrfb.c:
*
* CONTENTS
* write_fbm (image, wfile)
* write_hdr_fbm (image, wfile)
*
* EDITLOG
* LastEditDate = Mon Jun 25 00:18:12 1990 - Michael Mauldin
* LastFileName = /usr2/mlm/src/misc/fbm/flwrfb.c
*
* HISTORY
* 25-Jun-90 Michael Mauldin (mlm@cs.cmu.edu) Carnegie Mellon
* Package for Release 1.0
*
* 07-Mar-89 Michael Mauldin (mlm) at Carnegie Mellon University
* Beta release (version 0.9) mlm@cs.cmu.edu
*
* 12-Nov-88 Michael Mauldin (mlm) at Carnegie-Mellon University
* Created.
*****************************************************************/
# include <stdio.h>
# include <math.h>
# include <ctype.h>
# include "fbm.h"
/****************************************************************
* write_fbm: Write an image to a stream
****************************************************************/
#ifndef lint
static char *fbmid =
"$FBM flwrfb.c <1.0> 25-Jun-90 (C) 1989,1990 by Michael Mauldin, source \
code available free from MLM@CS.CMU.EDU and from UUNET archives$";
#endif
write_fbm (image, wfile)
register FBM *image;
register FILE *wfile;
{ register int k, j, rowlen, plnlen;
register unsigned char *bmptr;
if (! write_hdr_fbm (image, wfile)) return (0);
rowlen = image->hdr.rowlen;
plnlen = image->hdr.plnlen;
if (image->hdr.clrlen > 0)
{ if (!fwrite (image->cm, image->hdr.clrlen, 1, wfile))
{ perror ("write_fbm (colormap)"); return (0); }
}
for (k=0; k<image->hdr.planes; k++)
{ bmptr = &(image->bm[k*plnlen]);
for (j=0; j<image->hdr.rows; j++, bmptr += rowlen)
{ if (! fwrite (bmptr, 1, rowlen, wfile))
{ perror ("write_fbm"); return (0); }
}
}
return (1);
}
/****************************************************************
* write_hdr_fbm: Write an image header to a stream
****************************************************************/
write_hdr_fbm (image, wfile)
register FBM *image;
register FILE *wfile;
{ FBMFILEHDR file_hdr;
strncpy (file_hdr.magic, FBM_MAGIC, 8);
sprintf (file_hdr.cols, "%7d", image->hdr.cols);
sprintf (file_hdr.rows, "%7d", image->hdr.rows);
sprintf (file_hdr.planes, "%7d", image->hdr.planes);
sprintf (file_hdr.bits, "%7d", image->hdr.bits);
sprintf (file_hdr.physbits, "%7d", image->hdr.physbits);
sprintf (file_hdr.rowlen, "%11d", image->hdr.rowlen);
sprintf (file_hdr.plnlen, "%11d", image->hdr.plnlen);
sprintf (file_hdr.clrlen, "%11d", image->hdr.clrlen);
sprintf (file_hdr.aspect, "%11.6lf", image->hdr.aspect);
strncpy (file_hdr.title, image->hdr.title, FBM_MAX_TITLE);
strncpy (file_hdr.credits, image->hdr.credits, FBM_MAX_TITLE);
if (! fwrite (&file_hdr, sizeof (file_hdr), 1, wfile))
{ perror ("write_fbm (header)"); return (0); }
return (1);
}