Class BasicImapRenderer

  • All Implemented Interfaces:
    java.io.Serializable, FeatureRenderer, ImageMapRenderer

    public class BasicImapRenderer
    extends java.lang.Object
    implements ImageMapRenderer, java.io.Serializable

    BasicImapRenderer is a decorator for BasicFeatureRenderer which adds the ability to create HTML image map coordinates which correspond to the feature rendering produced by the BasicFeatureRenderer.

    Since:
    1.3
    Author:
    Simon Foote
    See Also:
    Serialized Form
    • Constructor Detail

      • BasicImapRenderer

        public BasicImapRenderer​(BasicFeatureRenderer renderer,
                                 ImageMap imageMap,
                                 URLFactory urlFactory)
        Creates a new BasicImapRenderer.
        Parameters:
        renderer - a BasicFeatureRenderer.
        imageMap - an ImageMap.
        urlFactory - an URLFactory which should be capable of creating a suitable URL from each Feature on the Sequence to be rendered.
    • Method Detail

      • getImageMap

        public ImageMap getImageMap()
        getImageMap returns the current image map.
        Returns:
        an ImageMap.
      • setImageMap

        public void setImageMap​(ImageMap imageMap)
        setImageMap sets the current image map.
        Parameters:
        imageMap - an ImageMap.
      • renderImageMap

        public void renderImageMap​(java.awt.Graphics2D g2,
                                   Feature f,
                                   SequenceRenderContext context)

        renderImageMap writes a set of image map coordinates corresponding to the rectangle sections drawn by the renderer. All the block regions of the image receive the same URL. The hotspots created by this method have the rendered Feature set as their user object.

        This method is called by renderFeature when a raster image is rendered.

        Specified by:
        renderImageMap in interface ImageMapRenderer
        Parameters:
        g2 - a Graphics2D.
        f - a Feature.
        context - a SequenceRenderContext.