1 \ Words implementing frame drawing
2 \ XXX Filled boxes are left as an exercise for the reader... ;-/
3 \ $FreeBSD: src/share/examples/bootforth/frames.4th,v 1.2 1999/08/28 00:19:09 peter Exp $
31 32 constant fill_blank
32 176 constant fill_dark
34 178 constant fill_bright
37 : hline ( len x y -- ) \ Draw horizontal single line
44 : f_single ( -- ) \ set frames to single
53 : f_double ( -- ) \ set frames to double
62 : vline ( len x y -- ) \ Draw vertical single line
73 : box ( w h x y -- ) \ Draw a box
74 2dup 1+ 4 pick 1- -rot
75 vline \ Draw left vert line
76 2dup 1+ swap 5 pick + swap 4 pick 1- -rot
77 vline \ Draw right vert line
78 2dup swap 1+ swap 5 pick 1- -rot
79 hline \ Draw top horiz line
80 2dup swap 1+ swap 4 pick + 5 pick 1- -rot
81 hline \ Draw bottom horiz line
82 2dup at-xy lt_el @ emit \ Draw left-top corner
83 2dup 4 pick + at-xy lb_el @ emit \ Draw left bottom corner
84 2dup swap 5 pick + swap at-xy rt_el @ emit \ Draw right top corner
85 2 pick + swap 3 pick + swap at-xy rb_el @ emit