edu.umd.cs.jazz.util
Class ZBounds

java.lang.Object
  |
  +--java.awt.geom.RectangularShape
        |
        +--java.awt.geom.Rectangle2D
              |
              +--java.awt.geom.Rectangle2D.Float
                    |
                    +--edu.umd.cs.jazz.util.ZBounds

public class ZBounds

extends java.awt.geom.Rectangle2D.Float

A ZBounds is simply a Rectangle2D.Float with extra methods that more properly deal with the case when the rectangle is "empty". A ZBounds has an extra bit to store emptiness. In this state, adding new geometry replaces the current geometry.

This is intended for use by visual objects that store their dimensions, and which may be empty.

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

java.awt.geom.Rectangle2D.Double, java.awt.geom.Rectangle2D.Float

Field Summary

protected boolean

empty

Fields inherited from class java.awt.geom.Rectangle2D.Float

height, width, x, y

Fields inherited from class java.awt.geom.Rectangle2D

OUT_BOTTOM, OUT_LEFT, OUT_RIGHT, OUT_TOP

Constructor Summary

ZBounds()

ZBounds(float x, float y, float w, float h)

ZBounds(java.awt.geom.Rectangle2D rect)

ZBounds(ZBounds bounds)

Method Summary

void	add(double newx, double newy)
void	add(java.awt.geom.Rectangle2D r)
void	add(ZBounds r)
java.awt.geom.Point2D	getCenter2D() Return center point of bounds
boolean	isEmpty()
void	reset()
void	setRect(double x, double y, double w, double h)
void	setRect(float x, float y, float w, float h)
void	setRect(java.awt.geom.Rectangle2D r)
java.lang.String	toString() Generate a string that represents this object for debugging.
void	transform(java.awt.geom.AffineTransform tf)

Methods inherited from class java.awt.geom.Rectangle2D.Float

createIntersection, createUnion, getBounds2D, getHeight, getWidth, getX, getY, outcode

Methods inherited from class java.awt.geom.Rectangle2D

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

empty

protected boolean empty

Constructor Detail

ZBounds

public ZBounds()

ZBounds

public ZBounds(float x,
               float y,
               float w,
               float h)

ZBounds

public ZBounds(java.awt.geom.Rectangle2D rect)

ZBounds

public ZBounds(ZBounds bounds)

Method Detail

reset

public void reset()

transform

public void transform(java.awt.geom.AffineTransform tf)

getCenter2D

public java.awt.geom.Point2D getCenter2D()

Return center point of bounds

isEmpty

public boolean isEmpty()

Overrides:

isEmpty in class java.awt.geom.Rectangle2D.Float

setRect

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

Overrides:

setRect in class java.awt.geom.Rectangle2D.Float

setRect

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

Overrides:

setRect in class java.awt.geom.Rectangle2D.Float

setRect

public void setRect(java.awt.geom.Rectangle2D r)

Overrides:

setRect in class java.awt.geom.Rectangle2D.Float

add

public void add(double newx,
                double newy)

Overrides:

add in class java.awt.geom.Rectangle2D

add

public void add(java.awt.geom.Rectangle2D r)

Overrides:

add in class java.awt.geom.Rectangle2D

add

public void add(ZBounds r)

toString

public java.lang.String toString()

Generate a string that represents this object for debugging.

Returns:

the string that represents this object for debugging

Overrides:

toString in class java.awt.geom.Rectangle2D.Float