solidbrush 192 192 255
solidpen 192 192 255 0
roundrect -10 0  50 160 10 10
label 35 80 φ[0..1]
solidpen 255 0 0 0
polyline -20 80 15 80
arrow 15 80 15 70
arrow 15 80 15 90
*
solidpen 0 0 0 0
hollowbrush
moveto 35 20
lineto 60 20
moveto 45 60
lineto 60 60 
rectangle -5 10 35 70
ellipse 35 55 45 65
*
offset 0 80
moveto 35 20
lineto 60 20
moveto 45 60
lineto 60 60 
rectangle -5 10 35 70
ellipse 35 55 45 65
*
offset 0 0 
solidpen 255 0 0 0
solidbrush 255 0 0 
moveto 0 50
lineto 30 50
rectangle 0 30 15 50
*
solidpen 0 0 255 0
solidbrush 0 0 255 
moveto 0 130
lineto 30 130
rectangle 8 110 23 130
*
solidpen 128 128 128 0
moveto 1 20
lineto 1 140
moveto 9 20
lineto 9 140
*