4.4BSD/usr/src/lib/libplot/gigi/linemod.c

/*-
 * Copyright (c) 1980, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * This module is believed to contain source code proprietary to AT&T.
 * Use and redistribution is subject to the Berkeley Software License
 * Agreement and your Software Agreement with AT&T (Western Electric).
 */

#ifndef lint
static char sccsid[] = "@(#)linemod.c	8.1 (Berkeley) 6/4/93";
#endif /* not lint */

#include "gigi.h"

linemod( line )
char	*line;
{
	/*
	 * Note that the bit patterns could be compacted using the
	 *  repeat field conventions.  They aren't for clarity.
	 *  Examples of almost identical packed patterns are in the
	 *  comments.
	 *  If linemod is changed really often, a ~15% savings
	 *  could be achieved.
	 */
	if ( *(line) == 's' ) {
		if ( *(++line) == 'o' ) {
			/*
			 * solid mode 1
			 */
			printf( "W(P1)" );
			return;
		}
		else if ( *(line) == 'h' ) {
			/*
			 * shortdashed mode 4
			 *  printf( "W(P000111)" );
			 */
			printf( "W(P00011100)" );
			return;
		}
	}
	else if ( *(line) == 'd' ) {
		if ( *(++line) == 'o' && *(++line) == 't' ) {
			if ( *(++line) == 't' ) {
				/*
				 * dotted mode 2
				 *  printf( "W(P00001)" );
				 */
				printf( "W(P10000000)" );
				return;
			}
			else if ( *(line) == 'd' ) {
				/*
				 * dotdashed mode 3
				 *  printf( "W(P0110010)" );
				 */
				printf( "W(P10001100)" );
				return;
			}
		}
	}
	else if ( *(line) == 'l' ) {
		/*
		 * longdashed mode 5
		 *  printf( "W(P11100)" );
		 */
		printf( "W(P11111100)" );
		return;
	}
	printf( "W(P1)" );			/* default to solid */
	return;
}