@Override
		public float getPreferredSpan(int axis) {
			float span = super.getPreferredSpan(axis);
			if (axis == View.X_AXIS) {
				spanX = span;
			}
			else {
				spanY = span;
			}
			return span;
		}
Overridden to allow us to find images that are defined as constants in places like
{@link Icons}
Ghidra/Framework/Help/src/main/java/help/GHelpHTMLEditorKit.java