1 /* 2 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 3 * Use is subject to license terms. 4 */ 5 6 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 7 /* All Rights Reserved */ 8 9 /* 10 * Copyright (c) 1980 Regents of the University of California. 11 * All rights reserved. The Berkeley software License Agreement 12 * specifies the terms and conditions for redistribution. 13 */ 14 15 #include "e.h" 16 #include "e.def" 17 18 void 19 diacrit(int p1, int type) 20 { 21 int c, t; 22 #ifndef NEQN 23 int effps; 24 #endif /* NEQN */ 25 26 c = oalloc(); 27 t = oalloc(); 28 #ifdef NEQN 29 nrwid(p1, ps, p1); 30 printf(".nr 10 %du\n", max(eht[p1]-ebase[p1]-VERT(2), 0)); 31 #else /* NEQN */ 32 effps = EFFPS(ps); 33 nrwid(p1, effps, p1); 34 35 /* vertical shift if high */ 36 printf(".nr 10 %du\n", VERT(max(eht[p1]-ebase[p1]-EM(1, ps), 0))); 37 38 printf(".if \\n(ct>1 .nr 10 \\n(10+\\s%d.25m\\s0\n", effps); 39 40 /* horiz shift if high */ 41 printf(".nr %d \\s%d.1m\\s0\n", t, effps); 42 43 printf(".if \\n(ct>1 .nr %d \\s%d.15m\\s0\n", t, effps); 44 #endif /* NEQN */ 45 switch (type) { 46 case VEC: /* vec */ 47 #ifndef NEQN 48 printf(".ds %d \\v'-.4m'\\s%d\\(->\\s0\\v'.4m'\n", 49 c, max(effps-3, 6)); 50 break; 51 #endif /* NEQN */ 52 case DYAD: /* dyad */ 53 #ifdef NEQN 54 printf(".ds %d \\v'-12p'_\\v'12p'\n", c); 55 #else /* NEQN */ 56 printf( 57 ".ds %d \\v'-.4m'\\s%d\\z\\(<-\\(->\\s0\\v'.4m'\n", 58 c, max(effps-3, 6)); 59 #endif /* NEQN */ 60 break; 61 case HAT: 62 printf(".ds %d ^\n", c); 63 break; 64 case TILDE: 65 printf(".ds %d ~\n", c); 66 break; 67 case DOT: 68 #ifndef NEQN 69 printf( 70 ".ds %d \\s%d\\v'-.67m'.\\v'.67m'\\s0\n", c, effps); 71 #else /* NEQN */ 72 printf(".ds %d \\v'-12p'.\\v'12p'\n", c); 73 #endif /* NEQN */ 74 break; 75 case DOTDOT: 76 #ifndef NEQN 77 printf( 78 ".ds %d \\s%d\\v'-.67m'..\\v'.67m\\s0'\n", 79 c, effps); 80 #else /* NEQN */ 81 printf(".ds %d \\v'-12p'..\\v'12p'\n", c); 82 #endif /* NEQN */ 83 break; 84 case BAR: 85 #ifndef NEQN 86 printf(".ds %d \\s%d\\v'.28m'\\h'.05m'\\l'\\n" 87 "(%du-.1m\\(rn'\\h'.05m'\\v'-.28m'\\s0\n", 88 c, effps, p1); 89 #else /* NEQN */ 90 printf(".ds %d \\v'-12p'\\l'\\n(%du'\\v'12p'\n", 91 c, p1); 92 #endif /* NEQN */ 93 break; 94 case UNDER: 95 #ifndef NEQN 96 printf(".ds %d \\l'\\n(%du\\(ul'\n", c, p1); 97 printf(".nr %d 0\n", t); 98 printf(".nr 10 0-%d\n", ebase[p1]); 99 #else /* NEQN */ 100 printf(".ds %d \\l'\\n(%du'\n", c, p1); 101 #endif /* NEQN */ 102 break; 103 } 104 nrwid(c, ps, c); 105 #ifndef NEQN 106 if (lfont[p1] != ITAL) 107 printf(".nr %d 0\n", t); 108 printf(".as %d \\h'-\\n(%du-\\n(%du/2u+\\n(%du'\\v'0-\\n(10u'\\*(%d", 109 p1, p1, c, t, c); 110 printf("\\v'\\n(10u'\\h'-\\n(%du+\\n(%du/2u-\\n(%du'\n", c, p1, t); 111 /* BUG - should go to right end of widest */ 112 #else /* NEQN */ 113 printf(".as %d \\h'-\\n(%du-\\n(%du/2u'\\v'0-\\n(10u'\\*(%d", 114 p1, p1, c, c); 115 printf("\\v'\\n(10u'\\h'-\\n(%du+\\n(%du/2u'\n", c, p1); 116 #endif /* NEQN */ 117 #ifndef NEQN 118 if (type != UNDER) 119 eht[p1] += VERT(EM(0.15, ps)); /* 0.15m */ 120 if (dbg) 121 printf(".\tdiacrit: %c over S%d, lf=%c, rf=%c, h=%d,b=%d\n", 122 type, p1, lfont[p1], rfont[p1], eht[p1], ebase[p1]); 123 #else /* NEQN */ 124 if (type != UNDER) 125 eht[p1] += VERT(1); 126 if (dbg) 127 printf(".\tdiacrit: %c over S%d, h=%d, b=%d\n", 128 type, p1, eht[p1], ebase[p1]); 129 #endif /* NEQN */ 130 ofree(c); ofree(t); 131 } 132