mirror of
https://github.com/9fans/plan9port.git
synced 2025-01-15 11:20:03 +00:00
70 lines
1.6 KiB
C
70 lines
1.6 KiB
C
#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;
|
|
}
|