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class
A Circle specifies an area in a the world
defined by the Circle's center point (x,y) and its radius.
class
Represents a line segment from (x,y) to (x2,y2) in world units.
class
A Polygon specifies an area in a the world
defined by a sequence of points.
class
A Rectangle specifies an area in a the world
enclosed by the Rectangle's upper-left point (x,y), its width, and its height.
class
A RoundedRectangle specifies an area in a the world
enclosed by the Rectangle's upper-left point (x,y), its width, and its height.