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java.awt.geom
Class Line2D.Double

java.lang.Object
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  +--java.awt.geom.Line2D
        |
        +--java.awt.geom.Line2D.Double

All Implemented Interfaces:

Cloneable, Shape

Enclosing class:

Line2D

public static class Line2D.Double

extends Line2D

A line segment specified with double coordinates.

Inner classes inherited from class java.awt.geom.Line2D

Line2D.Double, Line2D.Float

Field Summary

double	x1 The X coordinate of the start point of the line segment.
double	x2 The X coordinate of the end point of the line segment.
double	y1 The Y coordinate of the start point of the line segment.
double	y2 The Y coordinate of the end point of the line segment.

Constructor Summary

Line2D.Double()
Constructs and initializes a Line with coordinates (0, 0) -> (0, 0).

Line2D.Double(double X1, double Y1, double X2, double Y2)
Constructs and initializes a Line2D from the specified coordinates.

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

Method Summary

Rectangle2D	getBounds2D() Returns the high-precision bounding box of this Line2D.
Point2D	getP1() Returns the starting Point2D of this Line2D.
Point2D	getP2() Returns the end Point2D of this Line2D.
double	getX1() Returns the X coordinate of the start point in double precision.
double	getX2() Returns the X coordinate of the end point in double precision.
double	getY1() Returns the Y coordinate of the start point in double precision.
double	getY2() Returns the Y coordinate of the end point in double precision.
void	setLine(double X1, double Y1, double X2, double Y2) Sets the location of the endpoints of this Line2D to the specified double coordinates.

Methods inherited from class java.awt.geom.Line2D

clone, contains, contains, contains, contains, getBounds, getPathIterator, getPathIterator, intersects, intersects, intersectsLine, intersectsLine, linesIntersect, ptLineDist, ptLineDist, ptLineDist, ptLineDistSq, ptLineDistSq, ptLineDistSq, 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 point of the line segment.

y1

public double y1

The Y coordinate of the start point of the line segment.

x2

public double x2

The X coordinate of the end point of the line segment.

y2

public double y2

The Y coordinate of the end point of the line segment.

Constructor Detail

Line2D.Double

public Line2D.Double()

Constructs and initializes a Line with coordinates (0, 0) -> (0, 0).

Line2D.Double

public Line2D.Double(double X1,
                     double Y1,
                     double X2,
                     double Y2)

Constructs and initializes a Line2D from the specified coordinates.

Parameters:

X1, Y1 - the first specified coordinate

X2, Y2 - the second specified coordinate

Line2D.Double

public Line2D.Double(Point2D p1,
                     Point2D p2)

Constructs and initializes a Line2D from the specified Point2D objects.

Parameters:

p1, p2 - the specified Point2D objects

Method Detail

getX1

public double getX1()

Returns the X coordinate of the start point in double precision.

Overrides:

getX1 in class Line2D

Returns:

the X coordinate of this Line2D object's starting point.

getY1

public double getY1()

Returns the Y coordinate of the start point in double precision.

Overrides:

getY1 in class Line2D

Returns:

the X coordinate of this Line2D object's starting point.

getP1

public Point2D getP1()

Returns the starting Point2D of this Line2D.

Overrides:

getP1 in class Line2D

Returns:

the starting Point2D of this Line2D

getX2

public double getX2()

Returns the X coordinate of the end point in double precision.

Overrides:

getX2 in class Line2D

Returns:

the X coordinate of this Line2D object's ending point.

getY2

public double getY2()

Returns the Y coordinate of the end point in double precision.

Overrides:

getY2 in class Line2D

Returns:

the Y coordinate of this Line2D object's starting point.

getP2

public Point2D getP2()

Returns the end Point2D of this Line2D.

Overrides:

getP2 in class Line2D

Returns:

the ending Point2D of this Line2D.

setLine

public void setLine(double X1,
                    double Y1,
                    double X2,
                    double Y2)

Sets the location of the endpoints of this Line2D to the specified double coordinates.

Overrides:

setLine in class Line2D

Parameters:

X1, Y1 - the first specified coordinate

X2, Y2 - the second specified coordinate

getBounds2D

public Rectangle2D getBounds2D()

Returns the high-precision bounding box of this Line2D.

Returns:

a Rectangle2D that is the high-precision bounding box of this Line2D.