Method getLut

ij/src/main/java/ij/macro/Functions.java:2112–2136

()

	}

	void getLut() {
		Variable reds = getFirstArrayVariable();
		Variable greens = getNextArrayVariable();
		Variable blues = getLastArrayVariable();
		ImagePlus imp = getImage();
		IndexColorModel cm = null;
		if (imp.isComposite())
			cm = ((CompositeImage)imp).getChannelLut();
		else {
			ImageProcessor ip = imp.getProcessor();
			if (ip instanceof ColorProcessor)
				interp.error("Non-RGB image expected");
			cm = (IndexColorModel)ip.getColorModel();
		}
		int mapSize = cm.getMapSize();
		byte[] rLUT = new byte[mapSize];
		byte[] gLUT = new byte[mapSize];
		byte[] bLUT = new byte[mapSize];
		cm.getReds(rLUT);
		cm.getGreens(gLUT);
		cm.getBlues(bLUT);
		reds.setArray(new Variable(rLUT).getArray());
		greens.setArray(new Variable(gLUT).getArray());
		blues.setArray(new Variable(bLUT).getArray());
	}

	void setLut() {
		double[] reds = getFirstArray();