1 b6d98463 2006-04-14 devnull #include	<stdio.h>
  2 b6d98463 2006-04-14 devnull #include	"pic.h"
  3 b6d98463 2006-04-14 devnull #include	"y.tab.h"
  4 b6d98463 2006-04-14 devnull 
  5 b6d98463 2006-04-14 devnull obj*
  6 b6d98463 2006-04-14 devnull textgen(void)
  7 b6d98463 2006-04-14 devnull {
  8 b6d98463 2006-04-14 devnull 	int i, sub, nstr, at, with, hset;
  9 b6d98463 2006-04-14 devnull 	double xwith, ywith, h, w, x0, y0, x1, y1;
 10 b6d98463 2006-04-14 devnull 	obj *p, *ppos;
 11 b6d98463 2006-04-14 devnull 	Attr *ap;
 12 b6d98463 2006-04-14 devnull 
 13 b6d98463 2006-04-14 devnull 	at = with = nstr = hset = 0;
 14 b6d98463 2006-04-14 devnull 	h = getfval("textht");
 15 b6d98463 2006-04-14 devnull 	w = getfval("textwid");
 16 b6d98463 2006-04-14 devnull 	for (i = 0; i < nattr; i++) {
 17 b6d98463 2006-04-14 devnull 		ap = &attr[i];
 18 b6d98463 2006-04-14 devnull 		switch (ap->a_type) {
 19 b6d98463 2006-04-14 devnull 		case HEIGHT:
 20 b6d98463 2006-04-14 devnull 			h = ap->a_val.f;
 21 b6d98463 2006-04-14 devnull 			hset++;
 22 b6d98463 2006-04-14 devnull 			break;
 23 b6d98463 2006-04-14 devnull 		case WIDTH:
 24 b6d98463 2006-04-14 devnull 			w = ap->a_val.f;
 25 b6d98463 2006-04-14 devnull 			break;
 26 b6d98463 2006-04-14 devnull 		case WITH:
 27 b6d98463 2006-04-14 devnull 			with = ap->a_val.i;
 28 b6d98463 2006-04-14 devnull 			break;
 29 b6d98463 2006-04-14 devnull 		case AT:
 30 b6d98463 2006-04-14 devnull 			ppos = ap->a_val.o;
 31 b6d98463 2006-04-14 devnull 			curx = ppos->o_x;
 32 b6d98463 2006-04-14 devnull 			cury = ppos->o_y;
 33 b6d98463 2006-04-14 devnull 			at++;
 34 b6d98463 2006-04-14 devnull 			break;
 35 b6d98463 2006-04-14 devnull 		case TEXTATTR:
 36 b6d98463 2006-04-14 devnull 			sub = ap->a_sub;
 37 b6d98463 2006-04-14 devnull 			if (ap->a_val.p == NULL)	/* an isolated modifier */
 38 b6d98463 2006-04-14 devnull 				text[ntext-1].t_type = sub;
 39 b6d98463 2006-04-14 devnull 			else {
 40 b6d98463 2006-04-14 devnull 				savetext(sub, ap->a_val.p);
 41 b6d98463 2006-04-14 devnull 				nstr++;
 42 b6d98463 2006-04-14 devnull 			}
 43 b6d98463 2006-04-14 devnull 			break;
 44 b6d98463 2006-04-14 devnull 		}
 45 b6d98463 2006-04-14 devnull 	}
 46 b6d98463 2006-04-14 devnull 	if (hset == 0)		/* no explicit ht cmd */
 47 b6d98463 2006-04-14 devnull 		h *= nstr;
 48 b6d98463 2006-04-14 devnull 	if (with) {
 49 b6d98463 2006-04-14 devnull 		xwith = ywith = 0.0;
 50 b6d98463 2006-04-14 devnull 		switch (with) {
 51 b6d98463 2006-04-14 devnull 		case NORTH:	ywith = -h / 2; break;
 52 b6d98463 2006-04-14 devnull 		case SOUTH:	ywith = h / 2; break;
 53 b6d98463 2006-04-14 devnull 		case EAST:	xwith = -w / 2; break;
 54 b6d98463 2006-04-14 devnull 		case WEST:	xwith = w / 2; break;
 55 b6d98463 2006-04-14 devnull 		case NE:	xwith = -w / 2; ywith = -h / 2; break;
 56 b6d98463 2006-04-14 devnull 		case SE:	xwith = -w / 2; ywith = h / 2; break;
 57 b6d98463 2006-04-14 devnull 		case NW:	xwith = w / 2; ywith = -h / 2; break;
 58 b6d98463 2006-04-14 devnull 		case SW:	xwith = w / 2; ywith = h / 2; break;
 59 b6d98463 2006-04-14 devnull 		}
 60 b6d98463 2006-04-14 devnull 		curx += xwith;
 61 b6d98463 2006-04-14 devnull 		cury += ywith;
 62 b6d98463 2006-04-14 devnull 	}
 63 b6d98463 2006-04-14 devnull 	if (!at) {
 64 b6d98463 2006-04-14 devnull 		if (isright(hvmode))
 65 b6d98463 2006-04-14 devnull 			curx += w / 2;
 66 b6d98463 2006-04-14 devnull 		else if (isleft(hvmode))
 67 b6d98463 2006-04-14 devnull 			curx -= w / 2;
 68 b6d98463 2006-04-14 devnull 		else if (isup(hvmode))
 69 b6d98463 2006-04-14 devnull 			cury += h / 2;
 70 b6d98463 2006-04-14 devnull 		else
 71 b6d98463 2006-04-14 devnull 			cury -= h / 2;
 72 b6d98463 2006-04-14 devnull 	}
 73 b6d98463 2006-04-14 devnull 	x0 = curx - w / 2;
 74 b6d98463 2006-04-14 devnull 	y0 = cury - h / 2;
 75 b6d98463 2006-04-14 devnull 	x1 = curx + w / 2;
 76 b6d98463 2006-04-14 devnull 	y1 = cury + h / 2;
 77 b6d98463 2006-04-14 devnull 	extreme(x0, y0);
 78 b6d98463 2006-04-14 devnull 	extreme(x1, y1);
 79 b6d98463 2006-04-14 devnull 	dprintf("Text h %g w %g at %g,%g\n", h, w, curx, cury);
 80 b6d98463 2006-04-14 devnull 	p = makenode(TEXT, 2);
 81 b6d98463 2006-04-14 devnull 	p->o_val[0] = w;
 82 b6d98463 2006-04-14 devnull 	p->o_val[1] = h;
 83 b6d98463 2006-04-14 devnull 	if (isright(hvmode))
 84 b6d98463 2006-04-14 devnull 		curx = x1;
 85 b6d98463 2006-04-14 devnull 	else if (isleft(hvmode))
 86 b6d98463 2006-04-14 devnull 		curx = x0;
 87 b6d98463 2006-04-14 devnull 	else if (isup(hvmode))
 88 b6d98463 2006-04-14 devnull 		cury = y1;
 89 b6d98463 2006-04-14 devnull 	else
 90 b6d98463 2006-04-14 devnull 		cury = y0;
 91 b6d98463 2006-04-14 devnull 	return(p);
 92 b6d98463 2006-04-14 devnull }
 93 b6d98463 2006-04-14 devnull 
 94 b6d98463 2006-04-14 devnull obj*
 95 b6d98463 2006-04-14 devnull troffgen(char *s)	/* save away a string of troff commands */
 96 b6d98463 2006-04-14 devnull {
 97 b6d98463 2006-04-14 devnull 	savetext(CENTER, s);	/* use the existing text mechanism */
 98 b6d98463 2006-04-14 devnull 	return makenode(TROFF, 0);
 99 b6d98463 2006-04-14 devnull }
100 b6d98463 2006-04-14 devnull 
101 b6d98463 2006-04-14 devnull void
102 b6d98463 2006-04-14 devnull savetext(int t, char *s)	/* record text elements for current object */
103 b6d98463 2006-04-14 devnull {
104 b6d98463 2006-04-14 devnull 	if (ntext >= ntextlist)
105 b6d98463 2006-04-14 devnull 		text = (Text *) grow((char *) text, "text", ntextlist += 200, sizeof(Text));
106 b6d98463 2006-04-14 devnull 	text[ntext].t_type = t;
107 b6d98463 2006-04-14 devnull 	text[ntext].t_val = s;
108 b6d98463 2006-04-14 devnull 	dprintf("saving %d text %s at %d\n", t, s, ntext);
109 b6d98463 2006-04-14 devnull 	ntext++;
110 b6d98463 2006-04-14 devnull }