public void setSortEmphasis(double sortEmphasis) {
		this.sortEmphasis = sortEmphasis;
		if (sortEmphasis < 0) {
			sortImage = null;
		}
	}
Sets the an emphasis value for this column that is used to slightly enlarge and call out the
sort for the column.  
@param sortEmphasis the emphasis value
Ghidra/Framework/Docking/src/main/java/docking/widgets/table/GTableHeaderRenderer.java