1 5cedca1b 2004-05-15 devnull #include	<stdio.h>
  2 5cedca1b 2004-05-15 devnull #include	"pic.h"
  3 5cedca1b 2004-05-15 devnull #include	"y.tab.h"
  4 5cedca1b 2004-05-15 devnull 
  5 5cedca1b 2004-05-15 devnull obj *textgen(void)
  6 5cedca1b 2004-05-15 devnull {
  7 5cedca1b 2004-05-15 devnull 	int i, sub, nstr, at, with, hset, invis;
  8 5cedca1b 2004-05-15 devnull 	double xwith, ywith, h, w, x0, y0, x1, y1;
  9 5cedca1b 2004-05-15 devnull 	obj *p, *ppos;
 10 5cedca1b 2004-05-15 devnull 	static double prevh = 0;
 11 5cedca1b 2004-05-15 devnull 	static double prevw = 0;
 12 5cedca1b 2004-05-15 devnull 	Attr *ap;
 13 5cedca1b 2004-05-15 devnull 
 14 5cedca1b 2004-05-15 devnull 	at = with = nstr = hset = invis = 0;
 15 5cedca1b 2004-05-15 devnull 	h = getfval("textht");
 16 5cedca1b 2004-05-15 devnull 	w = getfval("textwid");
 17 5cedca1b 2004-05-15 devnull 	for (i = 0; i < nattr; i++) {
 18 5cedca1b 2004-05-15 devnull 		ap = &attr[i];
 19 5cedca1b 2004-05-15 devnull 		switch (ap->a_type) {
 20 5cedca1b 2004-05-15 devnull 		case HEIGHT:
 21 5cedca1b 2004-05-15 devnull 			h = ap->a_val.f;
 22 5cedca1b 2004-05-15 devnull 			hset++;
 23 5cedca1b 2004-05-15 devnull 			break;
 24 5cedca1b 2004-05-15 devnull 		case WIDTH:
 25 5cedca1b 2004-05-15 devnull 			w = ap->a_val.f;
 26 5cedca1b 2004-05-15 devnull 			break;
 27 5cedca1b 2004-05-15 devnull 		case WITH:
 28 5cedca1b 2004-05-15 devnull 			with = ap->a_val.i;
 29 5cedca1b 2004-05-15 devnull 			break;
 30 5cedca1b 2004-05-15 devnull 		case INVIS:
 31 5cedca1b 2004-05-15 devnull 			invis = INVIS;
 32 5cedca1b 2004-05-15 devnull 			break;
 33 5cedca1b 2004-05-15 devnull 		case AT:
 34 5cedca1b 2004-05-15 devnull 			ppos = ap->a_val.o;
 35 5cedca1b 2004-05-15 devnull 			curx = ppos->o_x;
 36 5cedca1b 2004-05-15 devnull 			cury = ppos->o_y;
 37 5cedca1b 2004-05-15 devnull 			at++;
 38 5cedca1b 2004-05-15 devnull 			break;
 39 5cedca1b 2004-05-15 devnull 		case TEXTATTR:
 40 5cedca1b 2004-05-15 devnull 			sub = ap->a_sub;
 41 5cedca1b 2004-05-15 devnull 			if (ap->a_val.p == NULL)	/* an isolated modifier */
 42 5cedca1b 2004-05-15 devnull 				text[ntext-1].t_type = sub;
 43 5cedca1b 2004-05-15 devnull 			else {
 44 5cedca1b 2004-05-15 devnull 				savetext(sub, ap->a_val.p);
 45 5cedca1b 2004-05-15 devnull 				nstr++;
 46 5cedca1b 2004-05-15 devnull 			}
 47 5cedca1b 2004-05-15 devnull 			break;
 48 5cedca1b 2004-05-15 devnull 		}
 49 5cedca1b 2004-05-15 devnull 	}
 50 5cedca1b 2004-05-15 devnull 	if (hset == 0)		/* no explicit ht cmd */
 51 5cedca1b 2004-05-15 devnull 		h *= nstr;
 52 5cedca1b 2004-05-15 devnull 	if (with) {
 53 5cedca1b 2004-05-15 devnull 		xwith = ywith = 0.0;
 54 5cedca1b 2004-05-15 devnull 		switch (with) {
 55 5cedca1b 2004-05-15 devnull 		case NORTH:	ywith = -h / 2; break;
 56 5cedca1b 2004-05-15 devnull 		case SOUTH:	ywith = h / 2; break;
 57 5cedca1b 2004-05-15 devnull 		case EAST:	xwith = -w / 2; break;
 58 5cedca1b 2004-05-15 devnull 		case WEST:	xwith = w / 2; break;
 59 5cedca1b 2004-05-15 devnull 		case NE:	xwith = -w / 2; ywith = -h / 2; break;
 60 5cedca1b 2004-05-15 devnull 		case SE:	xwith = -w / 2; ywith = h / 2; break;
 61 5cedca1b 2004-05-15 devnull 		case NW:	xwith = w / 2; ywith = -h / 2; break;
 62 5cedca1b 2004-05-15 devnull 		case SW:	xwith = w / 2; ywith = h / 2; break;
 63 5cedca1b 2004-05-15 devnull 		}
 64 5cedca1b 2004-05-15 devnull 		curx += xwith;
 65 5cedca1b 2004-05-15 devnull 		cury += ywith;
 66 5cedca1b 2004-05-15 devnull 	}
 67 5cedca1b 2004-05-15 devnull 	if (!at) {
 68 5cedca1b 2004-05-15 devnull 		if (isright(hvmode))
 69 5cedca1b 2004-05-15 devnull 			curx += w / 2;
 70 5cedca1b 2004-05-15 devnull 		else if (isleft(hvmode))
 71 5cedca1b 2004-05-15 devnull 			curx -= w / 2;
 72 5cedca1b 2004-05-15 devnull 		else if (isup(hvmode))
 73 5cedca1b 2004-05-15 devnull 			cury += h / 2;
 74 5cedca1b 2004-05-15 devnull 		else
 75 5cedca1b 2004-05-15 devnull 			cury -= h / 2;
 76 5cedca1b 2004-05-15 devnull 	}
 77 5cedca1b 2004-05-15 devnull 	x0 = curx - w / 2;
 78 5cedca1b 2004-05-15 devnull 	y0 = cury - h / 2;
 79 5cedca1b 2004-05-15 devnull 	x1 = curx + w / 2;
 80 5cedca1b 2004-05-15 devnull 	y1 = cury + h / 2;
 81 5cedca1b 2004-05-15 devnull 	extreme(x0, y0);
 82 5cedca1b 2004-05-15 devnull 	extreme(x1, y1);
 83 5cedca1b 2004-05-15 devnull 	dprintf("Text h %g w %g at %g,%g\n", h, w, curx, cury);
 84 5cedca1b 2004-05-15 devnull 	p = makenode(TEXT, 2);
 85 5cedca1b 2004-05-15 devnull 	p->o_attr = invis;
 86 5cedca1b 2004-05-15 devnull 	p->o_val[0] = w;
 87 5cedca1b 2004-05-15 devnull 	p->o_val[1] = h;
 88 5cedca1b 2004-05-15 devnull 	if (isright(hvmode))
 89 5cedca1b 2004-05-15 devnull 		curx = x1;
 90 5cedca1b 2004-05-15 devnull 	else if (isleft(hvmode))
 91 5cedca1b 2004-05-15 devnull 		curx = x0;
 92 5cedca1b 2004-05-15 devnull 	else if (isup(hvmode))
 93 5cedca1b 2004-05-15 devnull 		cury = y1;
 94 5cedca1b 2004-05-15 devnull 	else
 95 5cedca1b 2004-05-15 devnull 		cury = y0;
 96 5cedca1b 2004-05-15 devnull 	prevh = h;
 97 5cedca1b 2004-05-15 devnull 	prevw = w;
 98 5cedca1b 2004-05-15 devnull 	return(p);
 99 5cedca1b 2004-05-15 devnull }
100 5cedca1b 2004-05-15 devnull 
101 5cedca1b 2004-05-15 devnull obj *troffgen(char *s)	/* save away a string of troff commands */
102 5cedca1b 2004-05-15 devnull {
103 5cedca1b 2004-05-15 devnull 	savetext(CENTER, s);	/* use the existing text mechanism */
104 5cedca1b 2004-05-15 devnull 	return makenode(TROFF, 0);
105 5cedca1b 2004-05-15 devnull }
106 5cedca1b 2004-05-15 devnull 
107 5cedca1b 2004-05-15 devnull void savetext(int t, char *s)	/* record text elements for current object */
108 5cedca1b 2004-05-15 devnull {
109 5cedca1b 2004-05-15 devnull 	if (ntext >= ntextlist)
110 5cedca1b 2004-05-15 devnull 		text = (Text *) grow((char *) text, "text", ntextlist += 200, sizeof(Text));
111 5cedca1b 2004-05-15 devnull 	text[ntext].t_type = t;
112 5cedca1b 2004-05-15 devnull 	text[ntext].t_val = s;
113 5cedca1b 2004-05-15 devnull 	dprintf("saving %d text %s at %d\n", t, s, ntext);
114 5cedca1b 2004-05-15 devnull 	ntext++;
115 5cedca1b 2004-05-15 devnull }