Method getColors

ij/src/main/java/ij/LookUpTable.java:37–48

(ColorModel cm)

	}
	
	void getColors(ColorModel cm) {
    	if (cm instanceof IndexColorModel) {
    		IndexColorModel m = (IndexColorModel)cm;
    		mapSize = m.getMapSize();
    		rLUT = new byte[mapSize];
    		gLUT = new byte[mapSize];
    		bLUT = new byte[mapSize];
    		m.getReds(rLUT); 
    		m.getGreens(gLUT); 
    		m.getBlues(bLUT); 
    	}
	}
	
	public int getMapSize() {
		return mapSize;