12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970 |
- #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;
- }
|