Class Line2D

java.lang.Object

org.htmlunit.util.geometry.Line2D

All Implemented Interfaces:

Shape2D

public class Line2D
extends Object
implements Shape2D

Simple 2D shape line.

Field Summary

Fields

Modifier and Type	Field	Description
private final double	endX_
private final double	endY_
private final boolean	isVertical_
private final double	slope_
private final double	startX_
private final double	startY_
private final double	yIntercept_

Fields inherited from interface Shape2D

epsilon

Constructor Summary

Constructors

Constructor	Description
Line2D(double x1, double y1, double x2, double y2)	Ctor.
Line2D(Point2D start, Point2D end)	Ctor.

Method Summary

Modifier and Type	Method	Description
boolean	contains(double x, double y)
Point2D	intersect(Line2D line)
boolean	isEmpty()
String	toString()

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Details

startX_

private final double startX_

startY_

private final double startY_

endX_

private final double endX_

endY_

private final double endY_

isVertical_

private final boolean isVertical_

slope_

private final double slope_

yIntercept_

private final double yIntercept_

Constructor Details

Line2D

public Line2D(Point2D start,
 Point2D end)

Ctor.

Parameters:

start - the start point

end - the end point

Line2D

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

Ctor.

Parameters:

x1 - the x value of the start point

y1 - the y value of the start point

x2 - the x value of the end point

y2 - the y value of the end point

Method Details

intersect

public Point2D intersect(Line2D line)

Parameters:

line - the line to intersect this with

Returns:

the intersection point of the two lines or null if they are parallel

contains

public boolean contains(double x,
 double y)

Specified by:

contains in interface Shape2D

Parameters:

x - point x value

y - point y value

Returns:

true if the specified point is inside; false otherwise.

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Shape2D

Returns:

true if the Shape is empty.

toString

public String toString()

Overrides:

toString in class Object