cynosurex.graphics2D
Class Line2D

java.lang.Object
  cynosurex.graphics2D.Line2D

All Implemented Interfaces:

cynosurex.internal.AuthorCommon, cynosurex.internal.CommonInterface, cynosurex.internal.CompanyCommon

public class Line2D
extends java.lang.Object
implements cynosurex.internal.CommonInterface

A line represented in 2D coordination space, e.g. (x, y).

Field Summary

protected Point2D	p1
protected Point2D	p2

Fields inherited from interface cynosurex.internal.CommonInterface

copyright, copyrightYears, notice, program, version

Fields inherited from interface cynosurex.internal.AuthorCommon

author, copyrightSymbol, noticeMsg, rights

Fields inherited from interface cynosurex.internal.CompanyCommon

company, email, website

Constructor Summary

Line2D(double x1, double y1, double x2, double y2)
Constructs and initializes a Line2D from the specified point coordinates.

Line2D(Point2D p1, Point2D p2)
Constructs and initializes a Line2D from the specified points.

Method Summary

boolean	equals(java.lang.Object obj) Checks whether two pointers are equal.
Point2D	getMidpoint() Returns the midpoint of the line
double	getSlope() Returns the slope of the line.
Point2D	getXIntercept() Returns the x-intercept of the line.
Point2D	getYIntercept() Returns the y-intercept of the line.
int	hashCode() Returns the hashcode for this Line2D.
java.lang.String	toString() Returns the String representation of this Point's coordinates.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

p1

protected Point2D p1

p2

protected Point2D p2

Constructor Detail

Line2D

public Line2D(double x1,
              double y1,
              double x2,
              double y2)

Constructs and initializes a Line2D from the specified point coordinates.

Parameters:

x1 - the x coordinate of the first point

y1 - the y coordinate of the first point

x2 - the x coordinate of the second point

y2 - the y coordinate of the second point

Line2D

public Line2D(Point2D p1,
              Point2D p2)

Constructs and initializes a Line2D from the specified points.

Parameters:

p1 - the first point

p2 - the second point

Method Detail

equals

public boolean equals(java.lang.Object obj)

Checks whether two pointers are equal.

Overrides:

equals in class java.lang.Object

getMidpoint

public Point2D getMidpoint()

Returns the midpoint of the line

getSlope

public double getSlope()

Returns the slope of the line.

getXIntercept

public Point2D getXIntercept()

Returns the x-intercept of the line.

getYIntercept

public Point2D getYIntercept()

Returns the y-intercept of the line.

hashCode

public int hashCode()

Returns the hashcode for this Line2D.

Overrides:

hashCode in class java.lang.Object

toString

public java.lang.String toString()

Returns the String representation of this Point's coordinates.

Overrides:

toString in class java.lang.Object