diacrit.c (2301B)
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 }