| Returns the image for the given annotation or null. The
returned image is managed by this annotation image provided. If the
annotation image provider does not support managed images, clients have
to manage the annotation images. For that, clients first ask for the
image descriptor id for a given annotation (getImageDescriptorId(Annotation))
as then for the image descriptor. The image descriptor id should be used
to manage the annotation images using an ImageRegistry.
Parameters:
annotation - the annotation the managed image |