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 #pragma ident "%Z%%M% %I% %E% SMI" 16 17 #include "e.h" 18 #include "e.def" 19 20 void 21 diacrit(int p1, int type) 22 { 23 int c, t; 24 #ifndef NEQN 25 int effps; 26 #endif /* NEQN */ 27 28 c = oalloc(); 29 t = oalloc(); 30 #ifdef NEQN 31 nrwid(p1, ps, p1); 32 printf(".nr 10 %du\n", max(eht[p1]-ebase[p1]-VERT(2), 0)); 33 #else /* NEQN */ 34 effps = EFFPS(ps); 35 nrwid(p1, effps, p1); 36 37 /* vertical shift if high */ 38 printf(".nr 10 %du\n", VERT(max(eht[p1]-ebase[p1]-EM(1, ps), 0))); 39 40 printf(".if \\n(ct>1 .nr 10 \\n(10+\\s%d.25m\\s0\n", effps); 41 42 /* horiz shift if high */ 43 printf(".nr %d \\s%d.1m\\s0\n", t, effps); 44 45 printf(".if \\n(ct>1 .nr %d \\s%d.15m\\s0\n", t, effps); 46 #endif /* NEQN */ 47 switch (type) { 48 case VEC: /* vec */ 49 #ifndef NEQN 50 printf(".ds %d \\v'-.4m'\\s%d\\(->\\s0\\v'.4m'\n", 51 c, max(effps-3, 6)); 52 break; 53 #endif /* NEQN */ 54 case DYAD: /* dyad */ 55 #ifdef NEQN 56 printf(".ds %d \\v'-12p'_\\v'12p'\n", c); 57 #else /* NEQN */ 58 printf( 59 ".ds %d \\v'-.4m'\\s%d\\z\\(<-\\(->\\s0\\v'.4m'\n", 60 c, max(effps-3, 6)); 61 #endif /* NEQN */ 62 break; 63 case HAT: 64 printf(".ds %d ^\n", c); 65 break; 66 case TILDE: 67 printf(".ds %d ~\n", c); 68 break; 69 case DOT: 70 #ifndef NEQN 71 printf( 72 ".ds %d \\s%d\\v'-.67m'.\\v'.67m'\\s0\n", c, effps); 73 #else /* NEQN */ 74 printf(".ds %d \\v'-12p'.\\v'12p'\n", c); 75 #endif /* NEQN */ 76 break; 77 case DOTDOT: 78 #ifndef NEQN 79 printf( 80 ".ds %d \\s%d\\v'-.67m'..\\v'.67m\\s0'\n", 81 c, effps); 82 #else /* NEQN */ 83 printf(".ds %d \\v'-12p'..\\v'12p'\n", c); 84 #endif /* NEQN */ 85 break; 86 case BAR: 87 #ifndef NEQN 88 printf(".ds %d \\s%d\\v'.28m'\\h'.05m'\\l'\\n" 89 "(%du-.1m\\(rn'\\h'.05m'\\v'-.28m'\\s0\n", 90 c, effps, p1); 91 #else /* NEQN */ 92 printf(".ds %d \\v'-12p'\\l'\\n(%du'\\v'12p'\n", 93 c, p1); 94 #endif /* NEQN */ 95 break; 96 case UNDER: 97 #ifndef NEQN 98 printf(".ds %d \\l'\\n(%du\\(ul'\n", c, p1); 99 printf(".nr %d 0\n", t); 100 printf(".nr 10 0-%d\n", ebase[p1]); 101 #else /* NEQN */ 102 printf(".ds %d \\l'\\n(%du'\n", c, p1); 103 #endif /* NEQN */ 104 break; 105 } 106 nrwid(c, ps, c); 107 #ifndef NEQN 108 if (lfont[p1] != ITAL) 109 printf(".nr %d 0\n", t); 110 printf(".as %d \\h'-\\n(%du-\\n(%du/2u+\\n(%du'\\v'0-\\n(10u'\\*(%d", 111 p1, p1, c, t, c); 112 printf("\\v'\\n(10u'\\h'-\\n(%du+\\n(%du/2u-\\n(%du'\n", c, p1, t); 113 /* BUG - should go to right end of widest */ 114 #else /* NEQN */ 115 printf(".as %d \\h'-\\n(%du-\\n(%du/2u'\\v'0-\\n(10u'\\*(%d", 116 p1, p1, c, c); 117 printf("\\v'\\n(10u'\\h'-\\n(%du+\\n(%du/2u'\n", c, p1); 118 #endif /* NEQN */ 119 #ifndef NEQN 120 if (type != UNDER) 121 eht[p1] += VERT(EM(0.15, ps)); /* 0.15m */ 122 if (dbg) 123 printf(".\tdiacrit: %c over S%d, lf=%c, rf=%c, h=%d,b=%d\n", 124 type, p1, lfont[p1], rfont[p1], eht[p1], ebase[p1]); 125 #else /* NEQN */ 126 if (type != UNDER) 127 eht[p1] += VERT(1); 128 if (dbg) 129 printf(".\tdiacrit: %c over S%d, h=%d, b=%d\n", 130 type, p1, eht[p1], ebase[p1]); 131 #endif /* NEQN */ 132 ofree(c); ofree(t); 133 } 134