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fbm12s.lha
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fbrot.c
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1994-07-18
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/*****************************************************************
* fbrot.c: FBM Release 1.2 07-Apr-93 Michael Mauldin
*
* Copyright (C) 1989-1993 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.
*
* fbrot.c: Rotate image 90 degrees clockwise
*
* USAGE
* % fbrot < image1 > image2
*
* EDITLOG
* LastEditDate = Mon Jun 25 00:04:32 1990 - Michael Mauldin
* LastFileName = /usr2/mlm/src/misc/fbm/fbrot.c
*
* HISTORY
* 07-Apr-93 Michael Mauldin (mlm) at Carnegie-Mellon University
* Added -J switch
*
* 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
*
* 22-Aug-88 Michael Mauldin (mlm) at Carnegie-Mellon University
* Created.
*****************************************************************/
# include <stdio.h>
# include <math.h>
# include "fbm.h"
# define USAGE \
"Usage: fbrot [ -<type> ] [ -90 | -180 | -270 ] < image > image"
#ifndef lint
static char *fbmid =
"$FBM fbrot.c <1.2> 07-Apr-93 (C) 1989-1993 by Michael Mauldin, source \
code available free from MLM@CS.CMU.EDU and from UUNET archives$";
#endif
main (argc, argv)
char *argv[];
{ FBM input, output;
int outtype = -1, rot = 90;
/* Get the options */
while (--argc > 0 && (*++argv)[0] == '-')
{ while (*++(*argv))
{ switch (**argv)
{
case '9': rot=90; SKIPARG; break;
case '1': rot=180; SKIPARG; break;
case '2': rot=270; SKIPARG; break;
case 'A': outtype = FMT_ATK; break;
case 'B': outtype = FMT_FACE; break;
case 'F': outtype = FMT_FBM; break;
case 'G': outtype = FMT_GIF; break;
case 'I': outtype = FMT_IFF; break;
case 'J': outtype = FMT_JPEG; break;
case 'L': outtype = FMT_LEAF; break;
case 'M': outtype = FMT_MCP; break;
case 'P': outtype = FMT_PBM; break;
case 'R': outtype = FMT_RLE; break;
case 'S': outtype = FMT_SUN; break;
case 'T': outtype = FMT_TIFF; break;
case 'X': outtype = FMT_X11; break;
case 'Z': outtype = FMT_PCX; break;
default: fprintf (stderr, "%s\n", USAGE);
exit (1);
}
}
}
/* Clear the memory pointers so alloc_fbm won't be confused */
input.cm = input.bm = (unsigned char *) NULL;
output.cm = output.bm = (unsigned char *) NULL;
/* Read the image and rotate it */
if (read_bitmap (&input, (char *) NULL))
{ if (outtype < 0)
{ if (input.hdr.planes == 1 && input.hdr.bits == 1)
{ outtype = DEF_1BIT; }
else
{ outtype = DEF_8BIT; }
}
if (rotate_fbm (&input, &output, rot) &&
write_bitmap (&output, stdout, outtype))
{ exit (0); }
}
exit (1);
}