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Let's try this. It's BUGGERED.

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rsc 2004-05-15 23:24:00 +00:00
parent 76e6aca867
commit 5cedca1b69
118 changed files with 26947 additions and 1 deletions
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70
src/cmd/eqn/size.c Normal file
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#include "e.h"
#include <ctype.h>
void setsize(char *p) /* set size as found in p */
{
nszstack++;
szstack[nszstack] = 0; /* assume relative */
if (*p == '+') {
ps += atoi(p+1);
if (szstack[nszstack-1] != 0) /* propagate absolute size */
szstack[nszstack] = ps;
} else if (*p == '-') {
ps -= atoi(p+1);
if (szstack[nszstack-1] != 0)
szstack[nszstack] = ps;
} else if (isdigit(*p)) {
if (szstack[nszstack-1] == 0)
printf(".nr %d \\n(.s\n", 99-nszstack);
else
printf(".nr %d %d\n", 99-nszstack, ps);
szstack[nszstack] = ps = atoi(p);
} else {
ERROR "illegal size %s ignored", p WARNING;
}
dprintf(".\tsetsize %s; ps = %d\n", p, ps);
}
void size(int p1, int p2)
{
/* old size in p1, new in ps */
yyval = p2;
dprintf(".\tS%d <- \\s%d %d \\s%d; b=%g, h=%g\n",
yyval, ps, p2, p1, ebase[yyval], eht[yyval]);
if (szstack[nszstack] != 0) {
printf(".ds %d %s\\*(%d\\s\\n(%d\n", yyval, ABSPS(ps), p2, 99-nszstack);
} else
printf(".ds %d %s\\*(%d%s\n", yyval, DPS(p1,ps), p2, DPS(ps,p1));
nszstack--;
ps = p1;
}
void globsize(void)
{
char temp[20];
getstr(temp, sizeof(temp));
if (temp[0] == '+') {
gsize += atoi(temp+1);
if (szstack[0] != 0)
szstack[0] = gsize;
} else if (temp[0] == '-') {
gsize -= atoi(temp+1);
if (szstack[0] != 0)
szstack[0] = gsize;
} else if (isdigit(temp[0])) {
gsize = atoi(temp);
szstack[0] = gsize;
printf(".nr 99 \\n(.s\n");
} else {
ERROR "illegal gsize %s ignored", temp WARNING;
}
yyval = eqnreg = 0;
ps = gsize;
if (gsize < 12 && !dps_set) /* sub and sup size change */
deltaps = gsize / 3;
else if (gsize < 20)
deltaps = gsize / 4;
else
deltaps = gsize / 5;
}