org.geotools.renderer

Interface RenderListener

All Known Implementing Classes:

RenderingTask

public interface RenderListener

A RenderListener is notified each time a feature is rendered and each time an error occurs during rendering. Therefore VERY LITTLE WORK should be done in the listener!!!

Author:

jeichar

Method Summary

Modifier and Type	Method and Description
void	errorOccurred(Exception e) Reports a rendering error.
void	featureRenderer(SimpleFeature feature) Reports that a specific feature has been rendered.
default void	labellingEnd() Event issued when labelling ends.
default void	labellingStart() Event issued when labelling starts.
default void	layerEnd(Layer layer) Event issued when the layer completed rendering.
default void	layerStart(Layer layer) Event issued when the layer begins rendering.
default void	renderingComplete() Event issued when rendering ends.

Method Detail

featureRenderer

void featureRenderer(SimpleFeature feature)

Reports that a specific feature has been rendered. The same feature might be reported multiple times, if

errorOccurred

void errorOccurred(Exception e)

Reports a rendering error. The rendering is not normally stopped on it, a listener that wants to stop it can call GTRenderer.stopRendering()

layerStart

default void layerStart(Layer layer)

Event issued when the layer begins rendering.

layerEnd

default void layerEnd(Layer layer)

Event issued when the layer completed rendering. May not be issued.

labellingStart

default void labellingStart()

Event issued when labelling starts. May not be issued if there are no labels to paint.

labellingEnd

default void labellingEnd()

Event issued when labelling ends. May not be issued.

renderingComplete

default void renderingComplete()

Event issued when rendering ends. Always issued.