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/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* Copyright (c) 1980 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include "e.h"
#include "e.def"
void
diacrit(int p1, int type)
{
int c, t;
#ifndef NEQN
int effps;
#endif /* NEQN */
c = oalloc();
t = oalloc();
#ifdef NEQN
nrwid(p1, ps, p1);
printf(".nr 10 %du\n", max(eht[p1]-ebase[p1]-VERT(2), 0));
#else /* NEQN */
effps = EFFPS(ps);
nrwid(p1, effps, p1);
/* vertical shift if high */
printf(".nr 10 %du\n", VERT(max(eht[p1]-ebase[p1]-EM(1, ps), 0)));
printf(".if \\n(ct>1 .nr 10 \\n(10+\\s%d.25m\\s0\n", effps);
/* horiz shift if high */
printf(".nr %d \\s%d.1m\\s0\n", t, effps);
printf(".if \\n(ct>1 .nr %d \\s%d.15m\\s0\n", t, effps);
#endif /* NEQN */
switch (type) {
case VEC: /* vec */
#ifndef NEQN
printf(".ds %d \\v'-.4m'\\s%d\\(->\\s0\\v'.4m'\n",
c, max(effps-3, 6));
break;
#endif /* NEQN */
case DYAD: /* dyad */
#ifdef NEQN
printf(".ds %d \\v'-12p'_\\v'12p'\n", c);
#else /* NEQN */
printf(
".ds %d \\v'-.4m'\\s%d\\z\\(<-\\(->\\s0\\v'.4m'\n",
c, max(effps-3, 6));
#endif /* NEQN */
break;
case HAT:
printf(".ds %d ^\n", c);
break;
case TILDE:
printf(".ds %d ~\n", c);
break;
case DOT:
#ifndef NEQN
printf(
".ds %d \\s%d\\v'-.67m'.\\v'.67m'\\s0\n", c, effps);
#else /* NEQN */
printf(".ds %d \\v'-12p'.\\v'12p'\n", c);
#endif /* NEQN */
break;
case DOTDOT:
#ifndef NEQN
printf(
".ds %d \\s%d\\v'-.67m'..\\v'.67m\\s0'\n",
c, effps);
#else /* NEQN */
printf(".ds %d \\v'-12p'..\\v'12p'\n", c);
#endif /* NEQN */
break;
case BAR:
#ifndef NEQN
printf(".ds %d \\s%d\\v'.28m'\\h'.05m'\\l'\\n"
"(%du-.1m\\(rn'\\h'.05m'\\v'-.28m'\\s0\n",
c, effps, p1);
#else /* NEQN */
printf(".ds %d \\v'-12p'\\l'\\n(%du'\\v'12p'\n",
c, p1);
#endif /* NEQN */
break;
case UNDER:
#ifndef NEQN
printf(".ds %d \\l'\\n(%du\\(ul'\n", c, p1);
printf(".nr %d 0\n", t);
printf(".nr 10 0-%d\n", ebase[p1]);
#else /* NEQN */
printf(".ds %d \\l'\\n(%du'\n", c, p1);
#endif /* NEQN */
break;
}
nrwid(c, ps, c);
#ifndef NEQN
if (lfont[p1] != ITAL)
printf(".nr %d 0\n", t);
printf(".as %d \\h'-\\n(%du-\\n(%du/2u+\\n(%du'\\v'0-\\n(10u'\\*(%d",
p1, p1, c, t, c);
printf("\\v'\\n(10u'\\h'-\\n(%du+\\n(%du/2u-\\n(%du'\n", c, p1, t);
/* BUG - should go to right end of widest */
#else /* NEQN */
printf(".as %d \\h'-\\n(%du-\\n(%du/2u'\\v'0-\\n(10u'\\*(%d",
p1, p1, c, c);
printf("\\v'\\n(10u'\\h'-\\n(%du+\\n(%du/2u'\n", c, p1);
#endif /* NEQN */
#ifndef NEQN
if (type != UNDER)
eht[p1] += VERT(EM(0.15, ps)); /* 0.15m */
if (dbg)
printf(".\tdiacrit: %c over S%d, lf=%c, rf=%c, h=%d,b=%d\n",
type, p1, lfont[p1], rfont[p1], eht[p1], ebase[p1]);
#else /* NEQN */
if (type != UNDER)
eht[p1] += VERT(1);
if (dbg)
printf(".\tdiacrit: %c over S%d, h=%d, b=%d\n",
type, p1, eht[p1], ebase[p1]);
#endif /* NEQN */
ofree(c); ofree(t);
}
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