us.zuercher.gpx2map.image.generic
Class GenericImageFactory.DrawingObserver

java.lang.Object
  us.zuercher.gpx2map.image.generic.GenericImageFactory.Observer
      us.zuercher.gpx2map.image.generic.GenericImageFactory.DrawingObserver

All Implemented Interfaces:

ImageObserver

Enclosing class:

GenericImageFactory

private static class GenericImageFactory.DrawingObserver
extends GenericImageFactory.Observer
implements ImageObserver

DrawingObserver is an ImageObserver that allows callers to wait for the drawing of an image to complete.

Field Summary

Fields inherited from interface java.awt.image.ImageObserver

ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

Constructor Summary

private

GenericImageFactory.DrawingObserver()

Method Summary

boolean

imageUpdate(Image img, int infoflags, int x, int y, int width, int height) Implements ImageObserver.imageUpdate(Image, int, int, int, int, int).

Methods inherited from class us.zuercher.gpx2map.image.generic.GenericImageFactory.Observer

observationComplete, waitOnObservation

Methods inherited from class java.lang.Object

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

Constructor Detail

GenericImageFactory.DrawingObserver

private GenericImageFactory.DrawingObserver()

Method Detail

imageUpdate

public boolean imageUpdate(Image img,
                           int infoflags,
                           int x,
                           int y,
                           int width,
                           int height)

Implements ImageObserver.imageUpdate(Image, int, int, int, int, int). Call GenericImageFactory.Observer.waitOnObservation() to wait for the image to be drawn.

Specified by:

imageUpdate in interface ImageObserver

Parameters:

img - the image, not used since JavaConverter loads a single image at a time

infoflags - informational flags

x - unused

y - unused

width - not used

height - not used

Returns:

true until the image has been drawn completely