Method enlarge

ij/src/main/java/ij/plugin/Selection.java:127–136

(ImagePlus imp)

	}
	
	private void enlarge(ImagePlus imp) {
		if (!imp.okToDeleteRoi()) return;
		Roi roi = imp.getRoi();
		if (roi!=null) {
			Undo.setup(Undo.ROI, imp);
			roi = (Roi)roi.clone();
			(new RoiEnlarger()).run("");
		} else
			noRoi("Enlarge");
	}

	/*
	if selection is closed shape, create a circle with the same area and centroid, otherwise use<br>