public LegacyImageMap(final DefaultLegacyService legacyService) {
setContext(legacyService.getContext());
this.legacyService = legacyService;
imagePlusTable = new ConcurrentHashMap<ImageDisplay, ImagePlus>();
displayTable = new ConcurrentHashMap<ImagePlus, ImageDisplay>();
imageTranslator = new DefaultImageTranslator(legacyService);
}
static {
/*
* We absolutely require that the LegacyInjector did its job before we
* use the ImageJ 1.x classes here, just in case somebody wants to use
* the LegacyService later (and hence requires the ImageJ 1.x classes to
* be patched appropriately).
*
* Just loading the class is not enough; it will not get initialized. So
* we call the preinit() method just to force class initialization (and
* thereby the LegacyInjector to patch ImageJ 1.x).
*/
DefaultLegacyService.preinit();
}
/**
* Ensures that the given legacy image has a corresponding {@link ImageDisplay}.
*
* @return the {@link ImageDisplay} object shadowing the given {@link ImagePlus}, creating it if
* necessary using the {@link ImageTranslator}.
*/
public ImageDisplay registerLegacyImage(final ImagePlus imp) {
if (legacyService.isLegacyMode()) {
legacyModeImages.add(new WeakReference<ImagePlus>(imp));
return null;
}
ImageDisplay display = lookupDisplay(imp);
if (display == null) {
// mapping does not exist; mirror legacy image to display
display = imageTranslator.createDisplay(imp);
addMapping(display, imp);
}
// record resultant ImagePlus as a legacy command output
LegacyOutputTracker.addOutput(imp);
return display;
}
