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% bool values
/true 0 0 eq def
/false 0 0 ne def
% type values
/t_none 0 def
/t_int 1 def
/t_unsigned 2 def
/t_bool 3 def
/t_string 4 def
/t_code 5 def
/t_ret 6 def
/t_prim 7 def
/t_sec 8 def
/t_dict_idx 9 def
/t_array 10 def
/t_end 11 def
/t_ptr 12 def
/.value { t_int settype } def
/.undef 0 t_none settype def
/.end 0 t_end settype def
% Convert object to pointer.
%
% ( obj ) ==> ( ptr )
%
/cvp { t_ptr settype } def
/cvs { t_string settype } def
% ( size ) ==> ( string )
/string {
1 add malloc cvs
} def
% ( obj_1 ... obj_n string_1 string_2 ) ==> ( )
%
/sprintf {
dup cvp length exch snprintf
} def
% ( number ) ==> ( )
%
/number.print {
32 string
exch over
"%d" exch sprintf
dup show
free
} def
% Allocate and define a new color.
%
% ( palette ) ==> ( color )
%
/newcolor {
colorbits 8 le {
newcolor.count .undef eq { /newcolor.count 0 def } if
newcolor.count
dup rot setpalette
/newcolor.count newcolor.count 1 add def
} if
def
} def
% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
% ( color0 color1 width height ) ==> ( )
/drawborder {
currentpoint /db.y0 exch def /db.x0 exch def
/db.y1 exch 1 sub db.y0 add def
/db.x1 exch 1 sub db.x0 add def
/db.col1 exch def
/db.col0 exch def
db.x0 db.y1 moveto
db.col0 setcolor
db.x0 db.y0 lineto db.x1 db.y0 lineto
db.col1 setcolor
db.x1 db.y1 lineto db.x0 db.y1 lineto
} def
640 480 8 findmode setmode not { false .end } if
"16x16.fnt" findfile setfont
% "sky.jpg" findfile setimage
% 0 0 moveto 0 0 image.size image
/black 0x000000 newcolor
/white 0xffffff newcolor
/gray 0x808080 newcolor
/blue 0x0000c0 newcolor
/green 0x00c000 newcolor
/red 0xf00000 newcolor
/yellow 0xe0e000 newcolor
/x 300 def
/y 100 def
/w 90 def
/h 50 def
/msg 200 string def
{
blue setcolor
0 0 moveto screen.size fillrect
h w y x "x %d, y %d, w %d, h %d" msg sprintf
0 0 moveto white setcolor msg show
x 1 sub y 1 sub moveto white white w 2 add h 2 add drawborder
green setcolor
x y moveto w h fillrect
x 1 add y 1 add moveto yellow yellow w 2 sub h 2 sub drawborder
x y moveto w h savescreen /s0 exch def
x 1 sub y 1 sub 200 add moveto red red w 2 add h 2 add drawborder
x y 200 add moveto s0 restorescreen
trace
/w w 1 sub def
} loop
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