public static class

Line2D.Double

extends Line2D
implements Serializable
java.lang.Object
   ↳ java.awt.geom.Line2D
     ↳ java.awt.geom.Line2D.Double

Class Overview

A line segment specified with double coordinates.

Summary

Fields
public double x1 The X coordinate of the start point of the line segment.
public double x2 The X coordinate of the end point of the line segment.
public double y1 The Y coordinate of the start point of the line segment.
public double y2 The Y coordinate of the end point of the line segment.
Public Constructors
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.
Public Methods
Rectangle2D getBounds2D()
Point2D getP1()
Returns the start 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 end points of this Line2D to the specified double coordinates.
[Expand]
Inherited Methods
From class java.awt.geom.Line2D
From class java.lang.Object
From interface java.awt.Shape

Fields

public double x1

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

public double x2

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

public double y1

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

public double y2

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

Public Constructors

public Line2D.Double ()

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

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

Constructs and initializes a Line2D from the specified coordinates.

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

public Line2D.Double (Point2D p1, Point2D p2)

Constructs and initializes a Line2D from the specified Point2D objects.

Parameters
p1 the start Point2D of this line segment
p2 the end Point2D of this line segment

Public Methods

public Rectangle2D getBounds2D ()

public Point2D getP1 ()

Returns the start Point2D of this Line2D.

Returns
  • the start Point2D of this Line2D.

public Point2D getP2 ()

Returns the end Point2D of this Line2D.

Returns
  • the end Point2D of this Line2D.

public double getX1 ()

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

Returns
  • the X coordinate of the start point of this Line2D object.

public double getX2 ()

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

Returns
  • the X coordinate of the end point of this Line2D object.

public double getY1 ()

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

Returns
  • the Y coordinate of the start point of this Line2D object.

public double getY2 ()

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

Returns
  • the Y coordinate of the end point of this Line2D object.

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

Sets the location of the end points of this Line2D to the specified double coordinates.

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