ucar.nc2.ui.geoloc

Class Rubberband

java.lang.Object

ucar.nc2.ui.geoloc.Rubberband

Direct Known Subclasses:

RubberbandRectangle, RubberbandRectangleHandles

public abstract class Rubberband
extends Object

Implements XOR rubberbanding.

Author:

David M. Geary, John Caron

Field Summary

Fields

Modifier and Type	Field and Description
protected Point	anchorPt
protected Component	component
protected Point	endPt
protected boolean	firstStretch
protected Point	lastPt
protected Point	stretchedPt

Constructor Summary

Constructors

Constructor and Description
Rubberband(Component c, boolean listen) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	anchor(Point p) Set the anchor point.
void	done() Last point, done with drawing.
abstract void	drawLast(Graphics2D g)
abstract void	drawNext(Graphics2D g)
void	end(Point p) Last point, done with drawing.
Point	getAnchor()
Rectangle	getBounds() Get current Bounds
Point	getEnd()
Point	getLast()
Point	getStretched()
boolean	isActive()
Rectangle	lastBounds() Get previous Bounds
void	setActive(boolean b) Set whether its in active mode.
void	stretch(Point p) Erase the last rectangle and draw a new one from the anchor point to this point.

Methods inherited from class java.lang.Object

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

Field Detail

anchorPt

protected Point anchorPt

stretchedPt

protected Point stretchedPt

lastPt

protected Point lastPt

endPt

protected Point endPt

component

protected Component component

firstStretch

protected boolean firstStretch

Constructor Detail

Rubberband

public Rubberband(Component c,
          boolean listen)

Constructor. use if you want Rubberband to do the event listening.

Parameters:

c - draw on top of this Component.

Method Detail

drawLast

public abstract void drawLast(Graphics2D g)

drawNext

public abstract void drawNext(Graphics2D g)

setActive

public void setActive(boolean b)

Set whether its in active mode. In active mode it listens for mouse drags and XOR draws.

Parameters:

b - true if in active mode.

isActive

public boolean isActive()

getAnchor

public Point getAnchor()

getStretched

public Point getStretched()

getLast

public Point getLast()

getEnd

public Point getEnd()

anchor

public boolean anchor(Point p)

Set the anchor point.

stretch

public void stretch(Point p)

Erase the last rectangle and draw a new one from the anchor point to this point.

end

public void end(Point p)

Last point, done with drawing.

done

public void done()

Last point, done with drawing.

getBounds

public Rectangle getBounds()

Get current Bounds

lastBounds

public Rectangle lastBounds()

Get previous Bounds