int
n_width(Tchar j)
{
int i, k;
if (iszbit(j))
return 0;
if (ismot(j)) {
if (isvmot(j))
return(0);
k = absmot(j);
if (isnmot(j))
k = -k;
return(k);
}
i = cbits(j);
if (i < ' ') {
if (i == '\b')
return(-widthp);
if (i == PRESC)
i = eschar;
else if (i == HX)
return(0);
}
if (i == ohc)
return(0);
i = trtab[i];
if (i < ' ')
return(0);
k = t.width[i] * t.Char;
widthp = k;
return(k);
}
void n_setwd(void)
{
int base, wid;
Tchar i;
int delim, emsz, k;
int savhp, savapts, savapts1, savfont, savfont1, savpts, savpts1;
base = numtabp[ST].val = wid = numtabp[CT].val = 0;
if (ismot(i = getch()))
return;
delim = cbits(i);
savhp = numtabp[HP].val;
numtabp[HP].val = 0;
savapts = apts;
savapts1 = apts1;
savfont = font;
savfont1 = font1;
savpts = pts;
savpts1 = pts1;
setwdf++;
while (cbits(i = getch()) != delim && !nlflg) {
k = width(i);
wid += k;
numtabp[HP].val += k;
if (!ismot(i)) {
emsz = (INCH * pts + 36) / 72;
} else if (isvmot(i)) {
k = absmot(i);
if (isnmot(i))
k = -k;
base -= k;
emsz = 0;
} else
continue;
if (base < numtabp[SB].val)
numtabp[SB].val = base;
if ((k = base + emsz) > numtabp[ST].val)
numtabp[ST].val = k;
}
setn1(wid, 0, (Tchar) 0);
numtabp[HP].val = savhp;
apts = savapts;
apts1 = savapts1;
font = savfont;
font1 = savfont1;
pts = savpts;
pts1 = savpts1;
mchbits();
setwdf = 0;
}
void ptout1(void)
{
int k;
char *codep;
int w, j, phyw;
Tchar *q, i;
static int oxfont = FT; /* start off in roman */
for (q = oline; q < olinep; q++) {
i = *q;
if (ismot(i)) {
j = absmot(i);
if (isnmot(i))
j = -j;
if (isvmot(i))
lead += j;
else
esc += j;
continue;
}
if ((k = cbits(i)) <= ' ') {
switch (k) {
case ' ': /*space*/
esc += t.Char;
break;
case '\033':
case '\007':
case '\016':
case '\017':
oput(k);
break;
}
continue;
}
phyw = w = t.Char * t.tfont.wp[k].wid;
if (iszbit(i))
w = 0;
if (esc || lead)
move();
esct += w;
xfont = fbits(i);
if (xfont != oxfont) {
switch (oxfont) {
case ULFONT: oputs(t.itoff); break;
case BDFONT: oputs(t.bdoff); break;
case BIFONT: oputs(t.itoff); oputs(t.bdoff); break;
}
switch (xfont) {
case ULFONT:
if (*t.iton & 0377) oputs(t.iton); break;
case BDFONT:
if (*t.bdon & 0377) oputs(t.bdon); break;
case BIFONT:
if (*t.bdon & 0377) oputs(t.bdon);
if (*t.iton & 0377) oputs(t.iton);
break;
}
oxfont = xfont;
}
if ((xfont == ulfont || xfont == BIFONT) && !(*t.iton & 0377)) {
for (j = w / t.Char; j > 0; j--)
oput('_');
for (j = w / t.Char; j > 0; j--)
oput('\b');
}
if (!(*t.bdon & 0377) && ((j = bdtab[xfont]) || xfont == BDFONT || xfont == BIFONT))
j++;
else
j = 1; /* number of overstrikes for bold */
if (k < ALPHABET) { /* ordinary ascii */
oput(k);
while (--j > 0) {
oput('\b');
oput(k);
}
} else if (k >= t.tfont.nchars) { /* BUG -- not really understood */
/* fprintf(stderr, "big char %d, name %s\n", k, chname(k)); /* */
oputs(chname(k)+1); /* BUG: should separate Troffchar and MBchar... */
} else if (t.tfont.wp[k].str == 0) {
/* fprintf(stderr, "nostr char %d, name %s\n", k, chname(k)); /* */
oputs(chname(k)+1); /* BUG: should separate Troffchar and MBchar... */
} else if (t.tfont.wp[k].str[0] == MBchar) { /* parse() puts this on */
/* fprintf(stderr, "MBstr char %d, name %s\n", k, chname(k)); /* */
oputs(t.tfont.wp[k].str+1);
} else {
int oj = j;
/* fprintf(stderr, "str char %d, name %s\n", k, chname(k)); /* */
codep = t.tfont.wp[k].str+1; /* Troffchar by default */
while (*codep != 0) {
if (*codep & 0200) {
codep = plot(codep);
oput(' ');
} else {
if (*codep == '%') /* escape */
codep++;
oput(*codep);
if (*codep == '\033')
oput(*++codep);
else if (*codep != '\b')
for (j = oj; --j > 0; ) {
oput('\b');
oput(*codep);
}
codep++;
}
}
}
if (!w)
for (j = phyw / t.Char; j > 0; j--)
oput('\b');
}
}
int
pchar(register tchar i)
{
register int j;
static int hx = 0; /* records if have seen HX */
static int xon = 0; /* records if have seen XON */
static int drawfcn = 0; /* records if have seen DRAWFCN */
if (hx) {
hx = 0;
j = absmot(i);
if (isnmot(i)) {
if (j > dip->blss)
dip->blss = j;
} else {
if (j > dip->alss)
dip->alss = j;
ralss = dip->alss;
}
return 1;
}
if (ismot(i)) {
pchar1(i);
return 1;
}
switch (j = cbits(i)) {
case 0:
case IMP:
case RIGHT:
case LEFT:
if (xflag) {
i = j = FILLER; /* avoid kerning in output routine */
goto dfl;
}
return 1;
case HX:
hx = 1;
if (xflag) {
i = j = FILLER; /* avoid kerning in output routine */
goto dfl;
}
return 1;
case XON:
xon = 1;
goto dfl;
case XOFF:
xon = 0;
goto dfl;
case DRAWFCN:
drawfcn = !drawfcn;
goto dfl;
case PRESC:
if (dip == &d[0])
j = eschar; /* fall through */
default:
dfl:
#ifndef NROFF
if (html) {
if (!xflag || !isdi(i)) {
setcbits(i, j >= NCHARS ? j :
tflg ? trnttab[j] : trtab[j]);
if (xon == 0 && drawfcn == 0 && i < NCHARS)
setcbits(i, ftrans(fbits(i),
cbits(i)));
}
} else
#endif
if (!xflag || !isdi(i)) {
setcbits(i, tflg ? trnttab[j] : trtab[j]);
if (xon == 0 && drawfcn == 0)
setcbits(i, ftrans(fbits(i), cbits(i)));
}
}
#ifdef NROFF
if (xon && xflag)
return 1;
#endif /* NROFF */
pchar1(i);
return 1;
}
