mirror of
https://github.com/9fans/plan9port.git
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76 lines
2.2 KiB
C
76 lines
2.2 KiB
C
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#include "e.h"
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#include "y.tab.h"
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extern double Dvshift, Dhshift, Dh2shift, Dheight, Barv, Barh, Ubarv, Ubarh;
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void diacrit(int p1, int type)
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{
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int c, t;
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c = salloc();
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t = salloc();
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nrwid(p1, ps, p1);
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printf(".nr 10 %gm\n", max(REL(eht[p1]-ebase[p1]-1,ps), 0)); /* vert shift if high */
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if (type == HIGHBAR)
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printf(".nr 10 \\n(10+%gm\n", Dvshift);
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else if (type == LOWBAR)
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printf(".nr 10 0\n");
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else
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printf(".if \\n(ct>1 .nr 10 \\n(10+%gm\n", Dvshift);
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printf(".nr %d %gm\n", t, Dhshift); /* horiz shift if high */
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printf(".if \\n(ct>1 .nr %d %gm\n", t, Dh2shift); /* was .1 and .15 */
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switch (type) {
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case VEC:
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printf(".ds %d %s\n", c, lookup(deftbl, "vec_def")->cval);
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break;
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case DYAD:
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printf(".ds %d %s\n", c, lookup(deftbl, "dyad_def")->cval);
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break;
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case HAT:
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printf(".ds %d %s\n", c, lookup(deftbl, "hat_def")->cval);
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break;
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case TILDE:
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printf(".ds %d %s\n", c, lookup(deftbl, "tilde_def")->cval);
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break;
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case DOT:
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printf(".ds %d %s\n", c, lookup(deftbl, "dot_def")->cval);
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break;
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case DOTDOT:
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printf(".ds %d %s\n", c, lookup(deftbl, "dotdot_def")->cval);
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break;
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case BAR:
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case LOWBAR:
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case HIGHBAR:
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printf(".ds %d \\v'%gm'\\h'%gm'\\l'\\n(%du-%gm'\\h'%gm'\\v'%gm'\n",
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c, -Barv, Barh, p1, 2*Barh, Barh, Barv);
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break;
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case UNDER:
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printf(".ds %d \\v'%gm'\\l'\\n(%du-%gm\\(ul'\\h'%gm'\\v'%gm'\n",
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c, -Ubarv, p1, Ubarh, Ubarh, Ubarv);
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/* printf(".ds %d \\v'-%gm'\\l'\\n(%du\\(ul'\\v'%gm'\n",
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c, Ubarv, p1, Ubarv);
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*/
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printf(".nr %d 0\n", t);
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printf(".nr 10 0-.1m-%gm\n", REL(ebase[p1],ps));
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printf(".if \\n(ct%%2=1 .nr 10 0\\n(10-.1m\n");
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break;
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case UTILDE:
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printf(".ds %d %s\n", c, lookup(deftbl, "utilde_def")->cval);
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printf(".nr %d 0\n", t);
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printf(".nr 10 0-%gm\n", REL(ebase[p1],ps));
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printf(".if \\n(ct%%2=1 .nr 10 0\\n(10-%gm\n", 0.1);
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break;
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}
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nrwid(c, ps, c);
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if (lfont[p1] != ITAL)
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printf(".nr %d 0\n", t);
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printf(".as %d \\h'-\\n(%du-\\n(%du/2u+\\n(%du'\\v'0-\\n(10u'\\*(%d",
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p1, p1, c, t, c);
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printf("\\v'\\n(10u'\\h'-\\n(%du+\\n(%du/2u-\\n(%du'\n", c, p1, t);
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if (type != UNDER && type != UTILDE)
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eht[p1] += EM(Dheight, ps); /* was .15 */
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dprintf(".\tdiacrit: %c over S%d, lf=%c, rf=%c, h=%g, b=%g\n",
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type, p1, lfont[p1], rfont[p1], eht[p1], ebase[p1]);
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sfree(c); sfree(t);
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}
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