/* $MirOS: src/usr.bin/oldroff/neqn/font.c,v 1.2 2008/11/08 23:04:36 tg Exp $ */

/*-
 * Copyright (c) 1979, 1980, 1981, 1986, 1988, 1990, 1991, 1992
 *     The Regents of the University of California.
 * Copyright (C) Caldera International Inc.  2001-2002.
 * Copyright (c) 2003, 2004
 *	Thorsten "mirabilos" Glaser <tg@mirbsd.org>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms,
 * with or without modification, are permitted provided
 * that the following conditions are met:
 *
 * Redistributions of source code and documentation must retain
 * the above copyright notice, this list of conditions and the
 * following disclaimer.  Redistributions in binary form must
 * reproduce the above copyright notice, this list of conditions
 * and the following disclaimer in the documentation and/or other
 * materials provided with the distribution.
 *
 * All advertising materials mentioning features or use of this
 * software must display the following acknowledgement:
 *   This product includes software developed or owned by
 *   Caldera International, Inc.
 *
 * Neither the name of Caldera International, Inc. nor the names
 * of other contributors may be used to endorse or promote products
 * derived from this software without specific prior written permission.
 *
 * USE OF THE SOFTWARE PROVIDED FOR UNDER THIS LICENSE BY CALDERA
 * INTERNATIONAL, INC. AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL CALDERA INTERNATIONAL, INC. BE
 * LIABLE FOR ANY DIRECT, INDIRECT INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef lint
static char sccsid[] = "@(#)font.c	4.4 (Berkeley) 4/17/91";
#endif

# include "e.h"

setfont(ch1) char ch1; {
	/* use number '1', '2', '3' for roman, italic, bold */
	yyval = ft;
	if (ch1 == 'r' || ch1 == 'R')
		ft = ROM;
	else if (ch1 == 'i' || ch1 == 'I')
		ft = ITAL;
	else if (ch1 == 'b' || ch1 == 'B')
		ft = BLD;
	else
		ft = ch1;
	printf(".ft %c\n", ft);
#ifndef NEQN
	if(dbg)printf(".\tsetfont %c %c\n", ch1, ft);
#else
	if(dbg)printf(".\tsetfont %c\n", ft);
#endif
}

font(p1, p2) int p1, p2; {
		/* old font in p1, new in ft */
	yyval = p2;
	lfont[yyval] = rfont[yyval] = ft==ITAL ? ITAL : ROM;
	if(dbg)printf(".\tb:fb: S%d <- \\f%c S%d \\f%c b=%d,h=%d,lf=%c,rf=%c\n", 
		yyval, ft, p2, p1, ebase[yyval], eht[yyval], lfont[yyval], rfont[yyval]);
	printf(".ds %d \\f%c\\*(%d\\f%c\n", 
		yyval, ft, p2, p1);
	ft = p1;
	printf(".ft %c\n", ft);
}

fatbox(p) int p; {
	int sh;

	yyval = p;
	sh = ps / 4;
	nrwid(p, ps, p);
	printf(".ds %d \\*(%d\\h'-\\n(%du+%du'\\*(%d\n", p, p, p, sh, p);
	if(dbg)printf(".\tfat %d, sh=%d\n", p, sh);
}

globfont() {
	char temp[20];

	getstr(temp, 20);
	yyval = eqnreg = 0;
	gfont = temp[0];
	switch (gfont) {
	case 'r': case 'R':
		gfont = '1';
		break;
	case 'i': case 'I':
		gfont = '2';
		break;
	case 'b': case 'B':
		gfont = '3';
		break;
	}
	printf(".ft %c\n", gfont);
	ft = gfont;
}