6 int pointsize = 10; /* assumed pointsize to start */
7 int ps_set = 0; /* someone has set pointsize explicitly */
9 double textht = 1.0/6.0; /* 6 lines/inch */
10 double textwid = 1; /* width of text box for vertical */
12 double lab_up = 0.0; /* extra motion for label */
13 double lab_rt = 0.0; /* extra motion for label */
14 double lab_wid = 0.0; /* override default width computation */
16 void labelwid(double amt)
18 lab_wid = amt + .00001;
21 void labelmove(int dir, double amt) /* record direction & motion of position corr */
24 case UP: lab_up += amt; break;
25 case DOWN: lab_up -= amt; break;
26 case LEFT: lab_rt -= amt; break;
27 case RIGHT: lab_rt += amt; break;
31 void label(int label_side, Attr *stringlist) /* stick label on label_side */
36 fprintf(tfd, "\ttextht = %g\n", textht);
38 fprintf(tfd, "\ttextwid = %g\n", lab_wid);
40 } else if (label_side == LEFT || label_side == RIGHT) {
42 for (ap = stringlist; ap != NULL; ap = ap->next)
43 if ((m = strlen(ap->sval)) > textwid)
45 textwid /= 15; /* estimate width at 15 chars/inch */
46 fprintf(tfd, "\ttextwid = %g\n", textwid);
48 fprintf(tfd, "Label:\t%s", slprint(stringlist));
53 fprintf(tfd, " with .n at Frame.s - (0,2 * textht)");
56 fprintf(tfd, " wid textwid with .e at Frame.w - (0.2,0)");
59 fprintf(tfd, " wid textwid with .w at Frame.e + (0.2,0)");
62 fprintf(tfd, " with .s at Frame.n + (0,2 * textht)");
70 void lab_adjust(void) /* add a string to adjust labels, ticks, etc. */
72 if (lab_up != 0.0 || lab_rt != 0.0)
73 fprintf(tfd, " + (%g,%g)", lab_rt, lab_up);
76 char *sizeit(Attr *ap) /* add \s..\s to ap->sval */
79 static char buf[1000];
81 if (!ap->op) { /* no explicit size command */
83 sprintf(buf, "\\s%d%s\\s0", pointsize, ap->sval);
87 } else if (!ps_set) { /* explicit size but no global size */
90 case ' ': /* absolute size */
91 sprintf(buf, "\\s%d%s\\s0", n, ap->sval);
93 case '+': /* better be only one digit! */
94 sprintf(buf, "\\s+%d%s\\s-%d", n, ap->sval, n);
97 sprintf(buf, "\\s-%d%s\\s+%d", n, ap->sval, n);
101 return ap->sval; /* ignore for now */
105 /* explicit size and a global background size */
108 case ' ': /* absolute size */
109 sprintf(buf, "\\s%d%s\\s0", n, ap->sval);
112 sprintf(buf, "\\s%d%s\\s0", pointsize+n, ap->sval);
115 sprintf(buf, "\\s%d%s\\s0", pointsize-n, ap->sval);
119 return ap->sval; /* ignore for now */