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Class sg.Quadrilateral 

java.lang.Object
   |
   +----sg.Quadrilateral
public class Quadrilateral
extends Object
implements Polygon
The class Quadrilateral defines a four-sided geometric object.

Variable Index

o p1
Member variables defining the four corners of the quadrilateral in clockwise order starting with the upper left-hand corner.
o p2
Member variables defining the four corners of the quadrilateral in clockwise order starting with the upper left-hand corner.
o p3
Member variables defining the four corners of the quadrilateral in clockwise order starting with the upper left-hand corner.
o p4
Member variables defining the four corners of the quadrilateral in clockwise order starting with the upper left-hand corner.

Constructor Index

o Quadrilateral()
Zero-parameter constructor that initializes all corners of the quadrilateral to (0,0).
o Quadrilateral(Pixel, Pixel, Pixel, Pixel)
Four-parameter constructor

Method Index

o paint(Graphics)
Draws the quadrilateral.

Variables

o p1 
 protected Pixel p1
Member variables defining the four corners of the quadrilateral in clockwise order starting with the upper left-hand corner.

o p2 
 protected Pixel p2
Member variables defining the four corners of the quadrilateral in clockwise order starting with the upper left-hand corner.

o p3 
 protected Pixel p3
Member variables defining the four corners of the quadrilateral in clockwise order starting with the upper left-hand corner.

o p4 
 protected Pixel p4
Member variables defining the four corners of the quadrilateral in clockwise order starting with the upper left-hand corner.

Constructors

o Quadrilateral 
 public Quadrilateral()
Zero-parameter constructor that initializes all corners of the quadrilateral to (0,0).

o Quadrilateral 
 public Quadrilateral(Pixel p1,
                      Pixel p2,
                      Pixel p3,
                      Pixel p4)
Four-parameter constructor

Methods

o paint 
 public void paint(Graphics g)
Draws the quadrilateral.

Parameters:
g - simple graphics device on which quadrilateral is drawn. 
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