!icon 40 40 # header (mandatory) : width height
l 0 0 40 40 # line : x1 y1 x2 y2
r 0 0 40 40 # rectangle : x1 y1 x2 y2
rr 0 0 40 40 5 # round rect : x1 y1 x2 y2 radius
e 0 0 40 40 # ellipse : x1 y1 x2 y2
pl 0 0 10 10 20 20 ... # polyline : x1 y1 x2 y2 x3 y2 ...
pg 0 0 10 10 20 20 ... # polygon : x1 y1 x2 y2 x3 y2 ...
a 20 20 15 90 180 # arc : x y radius startAngle endAngle
fr 0 0 40 40 # fill rect : x1 y1 x2 y2
frr 0 0 40 40 5 # fill round rect : x1 y1 x2 y2 radius
fe 0 0 40 40 # fill ellipse : x1 y1 x2 y2
fp 0 0 10 10 20 20 ... # fill polygon : x1 y1 x2 y2 x3 y2 ...
fa 20 20 15 90 180 # fill arc : x y radius startAngle endAngle
%l #ffff00 # line color : color
%f #ffffff # fill color : color
%w 2 # line width : width
%p 4 4 # line pattern : line1 gap1 line2 gap2 ...