:ûĿ
:﷨,

:point,x,y
(x,y)ĵ. һй̶ȵ``''.

:rectangle,x1,y1,x2,y2
Զ (x1,y1)  (x2,y2) ľڲ.

:circle,x,y,d
 (x,y), ֱΪ d Բڲ. 

:ellipse,x,y,w,h
 (x,y), Ϊ w, ߶Ϊ h Բڲ.

:polygon,x1,y1,x2,y2,x3,y3,...
Ϊ (x1,y1), (x2,y2), (x3,y3), ... Ķεڲ. 

:bound,FNAME,x,y
ͼļ FNAME ı߽,ͼαͱͼһ, û (x,y) λͬһ, Ϊ. 
 <tt>fill</tt> ڻشѡ, úɫɫͿ (һԲ).

:bound,FNAME
ͬ, ûɫͬ FNAME Ͻصɫ, Ϊ.
