Package 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
    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 Details

    • 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.