Subversion Repositories planix.SVN

#include "e.h"
#include "y.tab.h"

extern double Dvshift, Dhshift, Dh2shift, Dheight, Barv, Barh, Ubarv, Ubarh;

void diacrit(int p1, int type)
{
        int c, t;

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