jj2000.disp

Class TitleUpdater

java.lang.Object

jj2000.disp.TitleUpdater

All Implemented Interfaces:

Runnable

public class TitleUpdater
extends Object
implements Runnable

This class should run as an independent thread to update tha main display window title with current image scroll position and zoom.

Field Summary

Fields

Modifier and Type	Field and Description
boolean	done The thread exits when this is true

Constructor Summary

Constructors

Constructor and Description
TitleUpdater(ImgScrollPane isp, Frame win, String btitle) Instantiates the title updater.

Method Summary

Methods

Modifier and Type	Method and Description
void	run() The method that executes this thread.

Methods inherited from class java.lang.Object

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

Field Detail

done

public volatile boolean done

The thread exits when this is true

Constructor Detail

TitleUpdater

public TitleUpdater(ImgScrollPane isp,
            Frame win,
            String btitle)

Instantiates the title updater. The title of 'win' will be regularly updated with the current zoom and scroll point. The current zoom and scroll point are added to the basic title given by 'btitle'.

Parameters:

isp - Where the image is displayed

win - The window which title to update

btitle - The base of the title.

Method Detail

run

public void run()

The method that executes this thread. The method periodically updates the title, if necessary, and puts to sleep the thread for 100 msec. This method never returns. If the sleep of the thread is interrupted, the title will be updated earlier and the cycle will continue.

Specified by:

run in interface Runnable