java.awt.geom
Class Rectangle2D.Double

java.lang.Object
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  +--java.awt.geom.RectangularShape
        |
        +--java.awt.geom.Rectangle2D
              |
              +--java.awt.geom.Rectangle2D.Double

public static class Rectangle2D.Double

extends Rectangle2D

The Double class defines a rectangle specified in double coordinates.

Since:

JDK1.2

Inner classes inherited from class java.awt.geom.Rectangle2D

Rectangle2D.Double, Rectangle2D.Float

Field Summary

double	height The height of this Rectangle2D.
double	width The width of this Rectangle2D.
double	x The x coordinate of this Rectangle2D.
double	y The y coordinate of this Rectangle2D.

Fields inherited from class java.awt.geom.Rectangle2D

OUT_BOTTOM, OUT_LEFT, OUT_RIGHT, OUT_TOP

Constructor Summary

Rectangle2D.Double()
Constructs a new Rectangle2D, initialized to location (0, 0) and size (0, 0).

Rectangle2D.Double(double x, double y, double w, double h)
Constructs and initializes a Rectangle2D from the specified double coordinates.

Method Summary

Rectangle2D	createIntersection(Rectangle2D r) Returns a new Rectangle2D object representing the intersection of this Rectangle2D with the specified Rectangle2D.
Rectangle2D	createUnion(Rectangle2D r) Returns a new Rectangle2D object representing the union of this Rectangle2D with the specified Rectangle2D.
Rectangle2D	getBounds2D() Returns the high precision bounding box of this Rectangle2D.
double	getHeight() Returns the height of this Rectangle2D in double precision.
double	getWidth() Returns the width of this Rectangle2D in double precision.
double	getX() Returns the X coordinate of this Rectangle2D in double precision.
double	getY() Returns the Y coordinate of this Rectangle2D in double precision.
boolean	isEmpty() Determines whether or not this Rectangle2D is empty.
int	outcode(double x, double y) Determines where the specified double coordinates lie with respect to this Rectangle2D.
void	setRect(double x, double y, double w, double h) Sets the location and size of this Rectangle2D to the specified double values.
void	setRect(Rectangle2D r) Sets this Rectangle2D to be the same as the specified Rectangle2D.
String	toString() Returns the String representation of this Rectangle2D.

Methods inherited from class java.awt.geom.Rectangle2D

add, add, add, contains, contains, equals, getPathIterator, getPathIterator, hashCode, intersect, intersects, intersectsLine, intersectsLine, outcode, setFrame, union

Methods inherited from class java.awt.geom.RectangularShape

clone, contains, contains, getBounds, getCenterX, getCenterY, getFrame, getMaxX, getMaxY, getMinX, getMinY, intersects, setFrame, setFrame, setFrameFromCenter, setFrameFromCenter, setFrameFromDiagonal, setFrameFromDiagonal

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

x

public double x

The x coordinate of this Rectangle2D.

Since:

JDK1.2

y

public double y

The y coordinate of this Rectangle2D.

Since:

JDK1.2

width

public double width

The width of this Rectangle2D.

Since:

JDK1.2

height

public double height

The height of this Rectangle2D.

Since:

JDK1.2

Constructor Detail

Rectangle2D.Double

public Rectangle2D.Double()

Constructs a new Rectangle2D, initialized to location (0, 0) and size (0, 0).

Since:

JDK1.2

Rectangle2D.Double

public Rectangle2D.Double(double x,
                          double y,
                          double w,
                          double h)

Constructs and initializes a Rectangle2D from the specified double coordinates.

Parameters:

x, y - the coordinates of the upper left corner of the newly constructed Rectangle2D

width - the width of the newly constructed Rectangle2D

height - the height of the newly constructed Rectangle2D

Since:

JDK1.2

Method Detail

getX

public double getX()

Returns the X coordinate of this Rectangle2D in double precision.

Returns:

the X coordinate of this Rectangle2D.

Overrides:

getX in class RectangularShape

Since:

JDK1.2

getY

public double getY()

Returns the Y coordinate of this Rectangle2D in double precision.

Returns:

the Y coordinate of this Rectangle2D.

Overrides:

getY in class RectangularShape

Since:

JDK1.2

getWidth

public double getWidth()

Returns the width of this Rectangle2D in double precision.

Returns:

the width of this Rectangle2D.

Overrides:

getWidth in class RectangularShape

Since:

JDK1.2

getHeight

public double getHeight()

Returns the height of this Rectangle2D in double precision.

Returns:

the height of this Rectangle2D.

Overrides:

getHeight in class RectangularShape

Since:

JDK1.2

isEmpty

public boolean isEmpty()

Determines whether or not this Rectangle2D is empty.

Returns:

true if this Rectangle2D is empty; false otherwise.

Overrides:

isEmpty in class RectangularShape

Since:

JDK1.2

setRect

public void setRect(double x,
                    double y,
                    double w,
                    double h)

Sets the location and size of this Rectangle2D to the specified double values.

Parameters:

x, y - the coordinates to which to set the upper left corner of this Rectangle2D

w - the value to use to set the width of this Rectangle2D

h - the value to use to set the height of this Rectangle2D

Overrides:

setRect in class Rectangle2D

Since:

JDK1.2

setRect

public void setRect(Rectangle2D r)

Sets this Rectangle2D to be the same as the specified Rectangle2D.

Parameters:

r - the specified Rectangle2D

Overrides:

setRect in class Rectangle2D

Since:

JDK1.2

outcode

public int outcode(double x,
                   double y)

Determines where the specified double coordinates lie with respect to this Rectangle2D. This method computes a binary OR of the appropriate mask values indicating, for each side of this Rectangle2D, whether or not the specified coordinates are on the same side of the edge as the rest of this Rectangle2D.

Parameters:

x, y - the specified coordinates

Returns:

the logical OR of all appropriate out codes.

Overrides:

outcode in class Rectangle2D

Since:

JDK1.2

See Also:

Rectangle2D.OUT_LEFT, Rectangle2D.OUT_TOP, Rectangle2D.OUT_RIGHT, Rectangle2D.OUT_BOTTOM

getBounds2D

public Rectangle2D getBounds2D()

Returns the high precision bounding box of this Rectangle2D.

Returns:

the bounding box of this Rectangle2D.

Overrides:

getBounds2D in class Rectangle2D

Since:

JDK1.2

createIntersection

public Rectangle2D createIntersection(Rectangle2D r)

Returns a new Rectangle2D object representing the intersection of this Rectangle2D with the specified Rectangle2D.

Parameters:

r - the Rectangle2D to be intersected with this Rectangle2D

Returns:

the largest Rectangle2D contained in both the specified Rectangle2D and in this Rectangle2D.

Overrides:

createIntersection in class Rectangle2D

Since:

JDK1.2

createUnion

public Rectangle2D createUnion(Rectangle2D r)

Returns a new Rectangle2D object representing the union of this Rectangle2D with the specified Rectangle2D.

Parameters:

r - the Rectangle2D to be combined with this Rectangle2D

Returns:

the smallest Rectangle2D containing both the specified Rectangle2D and this Rectangle2D.

Overrides:

createUnion in class Rectangle2D

Since:

JDK1.2

toString

public String toString()

Returns the String representation of this Rectangle2D.

Returns:

a String representing this Rectangle2D.

Overrides:

toString in class Object

Since:

JDK1.2