tdiacrit.c - plan9port - [fork] Plan 9 from user space
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tdiacrit.c (2301B)
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1 #include "e.h"
2 #include "y.tab.h"
3
4 extern double Dvshift, Dhshift, Dh2shift, Dheight, Barv, Barh, Ubarv, Ubarh;
5
6 void diacrit(int p1, int type)
7 {
8 int c, t;
9
10 c = salloc();
11 t = salloc();
12 nrwid(p1, ps, p1);
13 printf(".nr 10 %gm\n", max(REL(eht[p1]-ebase[p1]-1,ps), 0)); /* vert shift if high */
14 if (type == HIGHBAR)
15 printf(".nr 10 \\n(10+%gm\n", Dvshift);
16 else if (type == LOWBAR)
17 printf(".nr 10 0\n");
18 else
19 printf(".if \\n(ct>1 .nr 10 \\n(10+%gm\n", Dvshift);
20 printf(".nr %d %gm\n", t, Dhshift); /* horiz shift if high */
21 printf(".if \\n(ct>1 .nr %d %gm\n", t, Dh2shift); /* was .1 and .15 */
22 switch (type) {
23 case VEC:
24 printf(".ds %d %s\n", c, lookup(deftbl, "vec_def")->cval);
25 break;
26 case DYAD:
27 printf(".ds %d %s\n", c, lookup(deftbl, "dyad_def")->cval);
28 break;
29 case HAT:
30 printf(".ds %d %s\n", c, lookup(deftbl, "hat_def")->cval);
31 break;
32 case TILDE:
33 printf(".ds %d %s\n", c, lookup(deftbl, "tilde_def")->cval);
34 break;
35 case DOT:
36 printf(".ds %d %s\n", c, lookup(deftbl, "dot_def")->cval);
37 break;
38 case DOTDOT:
39 printf(".ds %d %s\n", c, lookup(deftbl, "dotdot_def")->cval);
40 break;
41 case BAR:
42 case LOWBAR:
43 case HIGHBAR:
44 printf(".ds %d \\v'%gm'\\h'%gm'\\l'\\n(%du-%gm'\\h'%gm'\\v'%gm'\n",
45 c, -Barv, Barh, p1, 2*Barh, Barh, Barv);
46 break;
47 case UNDER:
48 printf(".ds %d \\v'%gm'\\l'\\n(%du-%gm\\(ul'\\h'%gm'\\v'%gm'\n",
49 c, -Ubarv, p1, Ubarh, Ubarh, Ubarv);
50 /* printf(".ds %d \\v'-%gm'\\l'\\n(%du\\(ul'\\v'%gm'\n",
51 c, Ubarv, p1, Ubarv);
52 */
53 printf(".nr %d 0\n", t);
54 printf(".nr 10 0-.1m-%gm\n", REL(ebase[p1],ps));
55 printf(".if \\n(ct%%2=1 .nr 10 0\\n(10-.1m\n");
56 break;
57 case UTILDE:
58 printf(".ds %d %s\n", c, lookup(deftbl, "utilde_def")->cval);
59 printf(".nr %d 0\n", t);
60 printf(".nr 10 0-%gm\n", REL(ebase[p1],ps));
61 printf(".if \\n(ct%%2=1 .nr 10 0\\n(10-%gm\n", 0.1);
62 break;
63 }
64 nrwid(c, ps, c);
65 if (lfont[p1] != ITAL)
66 printf(".nr %d 0\n", t);
67 printf(".as %d \\h'-\\n(%du-\\n(%du/2u+\\n(%du'\\v'0-\\n(10u'\\*(%d",
68 p1, p1, c, t, c);
69 printf("\\v'\\n(10u'\\h'-\\n(%du+\\n(%du/2u-\\n(%du'\n", c, p1, t);
70 if (type != UNDER && type != UTILDE)
71 eht[p1] += EM(Dheight, ps); /* was .15 */
72 dprintf(".\tdiacrit: %c over S%d, lf=%c, rf=%c, h=%g, b=%g\n",
73 type, p1, lfont[p1], rfont[p1], eht[p1], ebase[p1]);
74 sfree(c); sfree(t);
75 }