Line2D.Double (Java 2 Platform SE 5.0) (original) (raw)

java.awt.geom

Class Line2D.Double

java.lang.Object extended by java.awt.geom.Line2D java.awt.geom.Line2D.Double

All Implemented Interfaces:

Shape, Cloneable

Enclosing class:

Line2D

public static class Line2D.Double

extends Line2D

A line segment specified with double coordinates.

Nested Class Summary

Nested classes/interfaces 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](../../../java/awt/geom/Line2D.Double.html#Line2D.Double%28double, double, double, double%29)(double X1, double Y1, double X2, double Y2) Constructs and initializes a Line2D from the specified coordinates.
[Line2D.Double](../../../java/awt/geom/Line2D.Double.html#Line2D.Double%28java.awt.geom.Point2D, java.awt.geom.Point2D%29)(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 thisLine2D.
Point2D	getP1() Returns the starting Point2D of thisLine2D.
Point2D	getP2() Returns the end Point2D of thisLine2D.
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](../../../java/awt/geom/Line2D.Double.html#setLine%28double, double, double, double%29)(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](../../../java/awt/geom/Line2D.html#contains%28double, double%29), [contains](../../../java/awt/geom/Line2D.html#contains%28double, double, double, double%29), contains, contains, getBounds, getPathIterator, [getPathIterator](../../../java/awt/geom/Line2D.html#getPathIterator%28java.awt.geom.AffineTransform, double%29), [intersects](../../../java/awt/geom/Line2D.html#intersects%28double, double, double, double%29), intersects, [intersectsLine](../../../java/awt/geom/Line2D.html#intersectsLine%28double, double, double, double%29), intersectsLine, [linesIntersect](../../../java/awt/geom/Line2D.html#linesIntersect%28double, double, double, double, double, double, double, double%29), [ptLineDist](../../../java/awt/geom/Line2D.html#ptLineDist%28double, double%29), [ptLineDist](../../../java/awt/geom/Line2D.html#ptLineDist%28double, double, double, double, double, double%29), ptLineDist, [ptLineDistSq](../../../java/awt/geom/Line2D.html#ptLineDistSq%28double, double%29), [ptLineDistSq](../../../java/awt/geom/Line2D.html#ptLineDistSq%28double, double, double, double, double, double%29), ptLineDistSq, [ptSegDist](../../../java/awt/geom/Line2D.html#ptSegDist%28double, double%29), [ptSegDist](../../../java/awt/geom/Line2D.html#ptSegDist%28double, double, double, double, double, double%29), ptSegDist, [ptSegDistSq](../../../java/awt/geom/Line2D.html#ptSegDistSq%28double, double%29), [ptSegDistSq](../../../java/awt/geom/Line2D.html#ptSegDistSq%28double, double, double, double, double, double%29), ptSegDistSq, [relativeCCW](../../../java/awt/geom/Line2D.html#relativeCCW%28double, double%29), [relativeCCW](../../../java/awt/geom/Line2D.html#relativeCCW%28double, double, double, double, double, double%29), relativeCCW, setLine, [setLine](../../../java/awt/geom/Line2D.html#setLine%28java.awt.geom.Point2D, java.awt.geom.Point2D%29)

Methods inherited from class java.awt.geom.Line2D

clone, [contains](../../../java/awt/geom/Line2D.html#contains%28double, double%29), [contains](../../../java/awt/geom/Line2D.html#contains%28double, double, double, double%29), contains, contains, getBounds, getPathIterator, [getPathIterator](../../../java/awt/geom/Line2D.html#getPathIterator%28java.awt.geom.AffineTransform, double%29), [intersects](../../../java/awt/geom/Line2D.html#intersects%28double, double, double, double%29), intersects, [intersectsLine](../../../java/awt/geom/Line2D.html#intersectsLine%28double, double, double, double%29), intersectsLine, [linesIntersect](../../../java/awt/geom/Line2D.html#linesIntersect%28double, double, double, double, double, double, double, double%29), [ptLineDist](../../../java/awt/geom/Line2D.html#ptLineDist%28double, double%29), [ptLineDist](../../../java/awt/geom/Line2D.html#ptLineDist%28double, double, double, double, double, double%29), ptLineDist, [ptLineDistSq](../../../java/awt/geom/Line2D.html#ptLineDistSq%28double, double%29), [ptLineDistSq](../../../java/awt/geom/Line2D.html#ptLineDistSq%28double, double, double, double, double, double%29), ptLineDistSq, [ptSegDist](../../../java/awt/geom/Line2D.html#ptSegDist%28double, double%29), [ptSegDist](../../../java/awt/geom/Line2D.html#ptSegDist%28double, double, double, double, double, double%29), ptSegDist, [ptSegDistSq](../../../java/awt/geom/Line2D.html#ptSegDistSq%28double, double%29), [ptSegDistSq](../../../java/awt/geom/Line2D.html#ptSegDistSq%28double, double, double, double, double, double%29), ptSegDistSq, [relativeCCW](../../../java/awt/geom/Line2D.html#relativeCCW%28double, double%29), [relativeCCW](../../../java/awt/geom/Line2D.html#relativeCCW%28double, double, double, double, double, double%29), relativeCCW, setLine, [setLine](../../../java/awt/geom/Line2D.html#setLine%28java.awt.geom.Point2D, java.awt.geom.Point2D%29)

Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, [wait](../../../java/lang/Object.html#wait%28long, int%29)

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.

Specified by:

[getX1](../../../java/awt/geom/Line2D.html#getX1%28%29) in class [Line2D](../../../java/awt/geom/Line2D.html "class in java.awt.geom")

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.

Specified by:

[getY1](../../../java/awt/geom/Line2D.html#getY1%28%29) in class [Line2D](../../../java/awt/geom/Line2D.html "class in java.awt.geom")

Returns:

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

getP1

public Point2D getP1()

Returns the starting Point2D of thisLine2D.

Specified by:

[getP1](../../../java/awt/geom/Line2D.html#getP1%28%29) in class [Line2D](../../../java/awt/geom/Line2D.html "class in java.awt.geom")

Returns:

the starting Point2D of thisLine2D

getX2

public double getX2()

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

Specified by:

[getX2](../../../java/awt/geom/Line2D.html#getX2%28%29) in class [Line2D](../../../java/awt/geom/Line2D.html "class in java.awt.geom")

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.

Specified by:

[getY2](../../../java/awt/geom/Line2D.html#getY2%28%29) in class [Line2D](../../../java/awt/geom/Line2D.html "class in java.awt.geom")

Returns:

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

getP2

public Point2D getP2()

Returns the end Point2D of thisLine2D.

Specified by:

[getP2](../../../java/awt/geom/Line2D.html#getP2%28%29) in class [Line2D](../../../java/awt/geom/Line2D.html "class in java.awt.geom")

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.

Specified by:

[setLine](../../../java/awt/geom/Line2D.html#setLine%28double, double, double, double%29) in class [Line2D](../../../java/awt/geom/Line2D.html "class in java.awt.geom")

Parameters:

X1, Y1 - the first specified coordinate

X2, Y2 - the second specified coordinate

getBounds2D

public Rectangle2D getBounds2D()

Returns the high-precision bounding box of thisLine2D.

Returns:

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

See Also:

Shape.getBounds()

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.