org.esa.beam.framework.ui
Interface PixelPositionListener

public interface PixelPositionListener

A listener interrested in pixel position changes within a source image. You can add PixelPositionListeners to instances of the ImageDisplay UI component.

Version:

$Revision$ $Date$

Author:

Norman Fomferra

Method Summary

void	pixelPosChanged(com.bc.ceres.glayer.support.ImageLayer baseImageLayer, int pixelX, int pixelY, int currentLevel, boolean pixelPosValid, MouseEvent e) Informs a client that the pixel position within the image has changed.
void	pixelPosNotAvailable() Informs a client that the pixel positions are no longer available.

Method Detail

pixelPosChanged

void pixelPosChanged(com.bc.ceres.glayer.support.ImageLayer baseImageLayer,
                     int pixelX,
                     int pixelY,
                     int currentLevel,
                     boolean pixelPosValid,
                     MouseEvent e)

Informs a client that the pixel position within the image has changed.

Parameters:

baseImageLayer - the image layer

pixelX - the x position within the image in pixel co-ordinates on the given level

pixelY - the y position within the image in pixel co-ordinates on the given level

currentLevel - the current level at which the image is displayed

pixelPosValid - if true, pixel position is valid

pixelPosNotAvailable

void pixelPosNotAvailable()

Informs a client that the pixel positions are no longer available.