jimm.datavision.field
Class Rectangle

java.lang.Object
  java.util.Observable
      jimm.datavision.field.Rectangle

All Implemented Interfaces:

Writeable

public class Rectangle
extends java.util.Observable
implements Writeable

A rectangle with double coordinates.

Author:

Jim Menard, jimm@io.com

Field Summary

double	height Warning: only read the height.
double	width Warning: only read the width.
double	x Warning: only read the x coordinate.
double	y Warning: only read the y coordinate.

Constructor Summary

Rectangle()
Constructor.

Rectangle(double x, double y, double width, double height)
Constructor.

Rectangle(java.awt.Rectangle r)
Constructor.

Rectangle(Rectangle r)
Constructor.

Method Summary

double	getHeight() Returns the height.
double	getWidth() Returns the width.
double	getX() Returns the x coordinate.
double	getY() Returns the y coordinate.
void	setBounds(double newX, double newY, double newWidth, double newHeight) Sets everything at once.
void	setBounds(Rectangle r) Sets everything at once.
void	setBounds(java.awt.Rectangle r) Sets everything at once.
void	setHeight(double newHeight) Sets the height.
void	setWidth(double newWidth) Sets the width.
void	setX(double newX) Sets the x coordinate.
void	setY(double newY) Sets the y coordinate.
java.lang.String	toString() Returns a string representation of this rectangle.
void	writeXML(XMLWriter out) Writes this rectangle as an XML tag.

Methods inherited from class java.util.Observable

addObserver, clearChanged, countObservers, deleteObserver, deleteObservers, hasChanged, notifyObservers, notifyObservers, setChanged

Methods inherited from class java.lang.Object

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

Field Detail

x

public double x

Warning: only read the x coordinate. When writing, make sure to use setter method so observers are notified.

y

public double y

Warning: only read the y coordinate. When writing, make sure to use setter method so observers are notified.

width

public double width

Warning: only read the width. When writing, make sure to use setter method so observers are notified.

height

public double height

Warning: only read the height. When writing, make sure to use setter method so observers are notified.

Constructor Detail

Rectangle

public Rectangle()

Constructor.

Rectangle

public Rectangle(java.awt.Rectangle r)

Constructor.

Parameters:

r - the other kind of rectangle

Rectangle

public Rectangle(Rectangle r)

Constructor.

Parameters:

r - another rectangle

Rectangle

public Rectangle(double x,
                 double y,
                 double width,
                 double height)

Constructor.

Parameters:

x - a double

y - a double

width - a double

height - a double

Method Detail

getX

public double getX()

Returns the x coordinate.

Returns:

the doubleing-point x coordinate

setX

public void setX(double newX)

Sets the x coordinate.

Parameters:

newX - the new x coordinate

getY

public double getY()

Returns the y coordinate.

Returns:

the doubleing-point y coordinate

setY

public void setY(double newY)

Sets the y coordinate.

Parameters:

newY - the new y coordinate

getWidth

public double getWidth()

Returns the width.

Returns:

the doubleing-point width

setWidth

public void setWidth(double newWidth)

Sets the width.

Parameters:

newWidth - the new width

getHeight

public double getHeight()

Returns the height.

Returns:

the doubleing-point height

setHeight

public void setHeight(double newHeight)

Sets the height.

Parameters:

newHeight - the new height

setBounds

public void setBounds(double newX,
                      double newY,
                      double newWidth,
                      double newHeight)

Sets everything at once.

Parameters:

newX - the new x coordinate

newY - the new y coordinate

newWidth - the new width

newHeight - the new height

setBounds

public void setBounds(Rectangle r)

Sets everything at once.

Parameters:

r - a jimm.datavision.Rectangle

setBounds

public void setBounds(java.awt.Rectangle r)

Sets everything at once.

Parameters:

r - a java.awt.Rectangle

toString

public java.lang.String toString()

Returns a string representation of this rectangle.

Overrides:

toString in class java.lang.Object

Returns:

a string representing this rectangle

writeXML

public void writeXML(XMLWriter out)

Writes this rectangle as an XML tag.

Specified by:

writeXML in interface Writeable

Parameters:

out - a writer that knows how to write XML