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- /* pnmfile.c - describe a portable anymap
- **
- ** Copyright (C) 1991 by Jef Poskanzer.
- **
- ** Permission to use, copy, modify, and distribute this software and its
- ** documentation for any purpose and without fee is hereby granted, provided
- ** that the above copyright notice appear in all copies and that both that
- ** copyright notice and this permission notice appear in supporting
- ** documentation. This software is provided "as is" without express or
- ** implied warranty.
- */
-
- #include "pnm.h"
-
- static void describe_one ARGS(( char* name, FILE* file ));
-
- int
- main( argc, argv )
- int argc;
- char* argv[];
- {
- int argn;
- FILE* ifp;
-
- pnm_init( &argc, argv );
-
- if ( argc == 1 )
- describe_one( "stdin", stdin );
- else
- {
- for ( argn = 1; argn < argc; ++argn )
- {
- ifp = pm_openr( argv[argn] );
- describe_one( argv[argn], ifp );
- pm_close( ifp );
- }
- }
-
- exit( 0 );
- }
-
- static void
- describe_one( name, file )
- char* name;
- FILE* file;
- {
- xelval maxval;
- int rows, cols, format;
-
- pnm_readpnminit( file, &cols, &rows, &maxval, &format );
-
- printf( "%s:\t", name );
- switch ( format )
- {
- case PBM_FORMAT:
- printf( "PBM plain, %d by %d\n", cols, rows );
- break;
-
- case RPBM_FORMAT:
- printf( "PBM raw, %d by %d\n", cols, rows );
- break;
-
- case PGM_FORMAT:
- printf( "PGM plain, %d by %d maxval %d\n", cols, rows, maxval );
- break;
-
- case RPGM_FORMAT:
- printf( "PGM raw, %d by %d maxval %d\n", cols, rows, maxval );
- break;
-
- case PPM_FORMAT:
- printf( "PPM plain, %d by %d maxval %d\n", cols, rows, maxval );
- break;
-
- case RPPM_FORMAT:
- printf( "PPM raw, %d by %d maxval %d\n", cols, rows, maxval );
- break;
- }
- }
-