1 3ebbd193 2017-06-19 rsc #include	<stdio.h>
  2 3ebbd193 2017-06-19 rsc #include	"pic.h"
  3 3ebbd193 2017-06-19 rsc #include	"y.tab.h"
  4 3ebbd193 2017-06-19 rsc 
  5 3ebbd193 2017-06-19 rsc obj *boxgen(void)
  6 3ebbd193 2017-06-19 rsc {
  7 3ebbd193 2017-06-19 rsc 	static double prevh = HT;
  8 3ebbd193 2017-06-19 rsc 	static double prevw = WID;	/* golden mean, sort of */
  9 3ebbd193 2017-06-19 rsc 	int i, at, battr, with;
 10 3ebbd193 2017-06-19 rsc 	double ddval, fillval, xwith, ywith;
 11 3ebbd193 2017-06-19 rsc 	double h, w, x0, y0, x1, y1;
 12 3ebbd193 2017-06-19 rsc 	obj *p, *ppos;
 13 3ebbd193 2017-06-19 rsc 	Attr *ap;
 14 3ebbd193 2017-06-19 rsc 
 15 3ebbd193 2017-06-19 rsc 	h = getfval("boxht");
 16 3ebbd193 2017-06-19 rsc 	w = getfval("boxwid");
 17 3ebbd193 2017-06-19 rsc 	at = battr = with = 0;
 18 3ebbd193 2017-06-19 rsc 	ddval = fillval = xwith = ywith = 0;
 19 3ebbd193 2017-06-19 rsc 	for (i = 0; i < nattr; i++) {
 20 3ebbd193 2017-06-19 rsc 		ap = &attr[i];
 21 3ebbd193 2017-06-19 rsc 		switch (ap->a_type) {
 22 3ebbd193 2017-06-19 rsc 		case HEIGHT:
 23 3ebbd193 2017-06-19 rsc 			h = ap->a_val.f;
 24 3ebbd193 2017-06-19 rsc 			break;
 25 3ebbd193 2017-06-19 rsc 		case WIDTH:
 26 3ebbd193 2017-06-19 rsc 			w = ap->a_val.f;
 27 3ebbd193 2017-06-19 rsc 			break;
 28 3ebbd193 2017-06-19 rsc 		case SAME:
 29 3ebbd193 2017-06-19 rsc 			h = prevh;
 30 3ebbd193 2017-06-19 rsc 			w = prevw;
 31 3ebbd193 2017-06-19 rsc 			break;
 32 3ebbd193 2017-06-19 rsc 		case WITH:
 33 3ebbd193 2017-06-19 rsc 			with = ap->a_val.i;	/* corner */
 34 3ebbd193 2017-06-19 rsc 			break;
 35 3ebbd193 2017-06-19 rsc 		case AT:
 36 3ebbd193 2017-06-19 rsc 			ppos = ap->a_val.o;
 37 3ebbd193 2017-06-19 rsc 			curx = ppos->o_x;
 38 3ebbd193 2017-06-19 rsc 			cury = ppos->o_y;
 39 3ebbd193 2017-06-19 rsc 			at++;
 40 3ebbd193 2017-06-19 rsc 			break;
 41 3ebbd193 2017-06-19 rsc 		case INVIS:
 42 3ebbd193 2017-06-19 rsc 			battr |= INVIS;
 43 3ebbd193 2017-06-19 rsc 			break;
 44 3ebbd193 2017-06-19 rsc 		case NOEDGE:
 45 3ebbd193 2017-06-19 rsc 			battr |= NOEDGEBIT;
 46 3ebbd193 2017-06-19 rsc 			break;
 47 3ebbd193 2017-06-19 rsc 		case DOT:
 48 3ebbd193 2017-06-19 rsc 		case DASH:
 49 3ebbd193 2017-06-19 rsc 			battr |= ap->a_type==DOT ? DOTBIT : DASHBIT;
 50 3ebbd193 2017-06-19 rsc 			if (ap->a_sub == DEFAULT)
 51 3ebbd193 2017-06-19 rsc 				ddval = getfval("dashwid");
 52 3ebbd193 2017-06-19 rsc 			else
 53 3ebbd193 2017-06-19 rsc 				ddval = ap->a_val.f;
 54 3ebbd193 2017-06-19 rsc 			break;
 55 3ebbd193 2017-06-19 rsc 		case FILL:
 56 3ebbd193 2017-06-19 rsc 			battr |= FILLBIT;
 57 3ebbd193 2017-06-19 rsc 			if (ap->a_sub == DEFAULT)
 58 3ebbd193 2017-06-19 rsc 				fillval = getfval("fillval");
 59 3ebbd193 2017-06-19 rsc 			else
 60 3ebbd193 2017-06-19 rsc 				fillval = ap->a_val.f;
 61 3ebbd193 2017-06-19 rsc 			break;
 62 3ebbd193 2017-06-19 rsc 		case TEXTATTR:
 63 3ebbd193 2017-06-19 rsc 			savetext(ap->a_sub, ap->a_val.p);
 64 3ebbd193 2017-06-19 rsc 			break;
 65 3ebbd193 2017-06-19 rsc 		}
 66 3ebbd193 2017-06-19 rsc 	}
 67 3ebbd193 2017-06-19 rsc 	if (with) {
 68 3ebbd193 2017-06-19 rsc 		switch (with) {
 69 3ebbd193 2017-06-19 rsc 		case NORTH:	ywith = -h / 2; break;
 70 3ebbd193 2017-06-19 rsc 		case SOUTH:	ywith = h / 2; break;
 71 3ebbd193 2017-06-19 rsc 		case EAST:	xwith = -w / 2; break;
 72 3ebbd193 2017-06-19 rsc 		case WEST:	xwith = w / 2; break;
 73 3ebbd193 2017-06-19 rsc 		case NE:	xwith = -w / 2; ywith = -h / 2; break;
 74 3ebbd193 2017-06-19 rsc 		case SE:	xwith = -w / 2; ywith = h / 2; break;
 75 3ebbd193 2017-06-19 rsc 		case NW:	xwith = w / 2; ywith = -h / 2; break;
 76 3ebbd193 2017-06-19 rsc 		case SW:	xwith = w / 2; ywith = h / 2; break;
 77 3ebbd193 2017-06-19 rsc 		}
 78 3ebbd193 2017-06-19 rsc 		curx += xwith;
 79 3ebbd193 2017-06-19 rsc 		cury += ywith;
 80 3ebbd193 2017-06-19 rsc 	}
 81 3ebbd193 2017-06-19 rsc 	if (!at) {
 82 3ebbd193 2017-06-19 rsc 		if (isright(hvmode))
 83 3ebbd193 2017-06-19 rsc 			curx += w / 2;
 84 3ebbd193 2017-06-19 rsc 		else if (isleft(hvmode))
 85 3ebbd193 2017-06-19 rsc 			curx -= w / 2;
 86 3ebbd193 2017-06-19 rsc 		else if (isup(hvmode))
 87 3ebbd193 2017-06-19 rsc 			cury += h / 2;
 88 3ebbd193 2017-06-19 rsc 		else
 89 3ebbd193 2017-06-19 rsc 			cury -= h / 2;
 90 3ebbd193 2017-06-19 rsc 	}
 91 3ebbd193 2017-06-19 rsc 	x0 = curx - w / 2;
 92 3ebbd193 2017-06-19 rsc 	y0 = cury - h / 2;
 93 3ebbd193 2017-06-19 rsc 	x1 = curx + w / 2;
 94 3ebbd193 2017-06-19 rsc 	y1 = cury + h / 2;
 95 3ebbd193 2017-06-19 rsc 	extreme(x0, y0);
 96 3ebbd193 2017-06-19 rsc 	extreme(x1, y1);
 97 3ebbd193 2017-06-19 rsc 	p = makenode(BOX, 2);
 98 3ebbd193 2017-06-19 rsc 	p->o_val[0] = w;
 99 3ebbd193 2017-06-19 rsc 	p->o_val[1] = h;
100 3ebbd193 2017-06-19 rsc 	p->o_attr = battr;
101 3ebbd193 2017-06-19 rsc 	p->o_ddval = ddval;
102 3ebbd193 2017-06-19 rsc 	p->o_fillval = fillval;
103 3ebbd193 2017-06-19 rsc 	dprintf("B %g %g %g %g at %g %g, h=%g, w=%g\n", x0, y0, x1, y1, curx, cury, h, w);
104 3ebbd193 2017-06-19 rsc 	if (isright(hvmode))
105 3ebbd193 2017-06-19 rsc 		curx = x1;
106 3ebbd193 2017-06-19 rsc 	else if (isleft(hvmode))
107 3ebbd193 2017-06-19 rsc 		curx = x0;
108 3ebbd193 2017-06-19 rsc 	else if (isup(hvmode))
109 3ebbd193 2017-06-19 rsc 		cury = y1;
110 3ebbd193 2017-06-19 rsc 	else
111 3ebbd193 2017-06-19 rsc 		cury = y0;
112 3ebbd193 2017-06-19 rsc 	prevh = h;
113 3ebbd193 2017-06-19 rsc 	prevw = w;
114 3ebbd193 2017-06-19 rsc 	return(p);
115 3ebbd193 2017-06-19 rsc }