Subversion Repositories planix.SVN

#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;
}