Package lejos.robotics.geometry

Class Line2D.Double

java.lang.Object

lejos.robotics.geometry.Line2D

lejos.robotics.geometry.Line2D.Double

All Implemented Interfaces:

java.lang.Cloneable, Shape

Enclosing class:

Line2D

public static class Line2D.Double
extends Line2D

A line in 2D space using float coordinates

Nested Class Summary

Nested classes/interfaces inherited from class lejos.robotics.geometry.Line2D

Line2D.Double, Line2D.Float

Field Summary

Fields

Modifier and Type	Field and Description
double	x1 the x coordinate of the start of the line
double	x2 The x coordinate of the end of the line
double	y1 The y coordinate of the sztart of the line
double	y2 The y coordinate of the start of the line

Constructor Summary

Constructors

Constructor and Description
Double() Create a zero length line at (0,0) with double coordinates
Double(double x1, double y1, double x2, double y2) Create a line from (x1,y1) to (x2,y2) with double coordinate

Method Summary

Modifier and Type	Method and Description
Rectangle2D	getBounds2D() Get the bounds of the line as a Rectangle2D
Point2D	getP1() Get the start point of the line as a Point2D
Point2D	getP2() Get the end point of the line as a Point2D
double	getX1() Get the x coordinate of the start of the line
double	getX2() Get the x coordinate of the end of the line
double	getY1() Get the y coordinate of the start of the line
double	getY2() Get the y coordinate of the end of the line
void	setLine(double x1, double y1, double x2, double y2) Sets the end points of the line using double coordinates.

Methods inherited from class lejos.robotics.geometry.Line2D

clone, contains, contains, contains, contains, getBounds, intersects, intersects, intersectsLine, intersectsLine, linesIntersect, ptSegDist, ptSegDist, ptSegDist, ptSegDistSq, ptSegDistSq, ptSegDistSq, relativeCCW, relativeCCW, relativeCCW, setLine, setLine

Methods inherited from class java.lang.Object

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

Field Detail

x1

public double x1

the x coordinate of the start of the line

y1

public double y1

The y coordinate of the sztart of the line

x2

public double x2

The x coordinate of the end of the line

y2

public double y2

The y coordinate of the start of the line

Constructor Detail

Double

public Double()

Create a zero length line at (0,0) with double coordinates

Double

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

Create a line from (x1,y1) to (x2,y2) with double coordinate

Parameters:

x1 - the x coordinate of the start of the line

y1 - the y coordinate of the start of the line

x2 - the x coordinate of the end of the line

y2 - the y coordinate of the end of the line

Method Detail

getX1

public double getX1()

Description copied from class: Line2D

Get the x coordinate of the start of the line

Specified by:

getX1 in class Line2D

Returns:

the x coordinate as a double

getY1

public double getY1()

Description copied from class: Line2D

Get the y coordinate of the start of the line

Specified by:

getY1 in class Line2D

Returns:

the y coordinate as a double

getP1

public Point2D getP1()

Description copied from class: Line2D

Get the start point of the line as a Point2D

Specified by:

getP1 in class Line2D

Returns:

the Point2D

getX2

public double getX2()

Description copied from class: Line2D

Get the x coordinate of the end of the line

Specified by:

getX2 in class Line2D

Returns:

the x coordinate as a double

getY2

public double getY2()

Description copied from class: Line2D

Get the y coordinate of the end of the line

Specified by:

getY2 in class Line2D

Returns:

the y coordinate as a double

getP2

public Point2D getP2()

Description copied from class: Line2D

Get the end point of the line as a Point2D

Specified by:

getP2 in class Line2D

Returns:

the Point2D

setLine

public void setLine(double x1,
                    double y1,
                    double x2,
                    double y2)

Description copied from class: Line2D

Sets the end points of the line using double coordinates.

Specified by:

setLine in class Line2D

Parameters:

x1 - the x coordinate of the start point

y1 - the y coordinate of the start point

x2 - the x coordinate of the end point

y2 - the y coordinate of the end point

getBounds2D

public Rectangle2D getBounds2D()

Get the bounds of the line as a Rectangle2D

Returns:

the bounding Rectangle2D