Method applyLUT

ij/src/main/java/ij/plugin/LUT_Editor.java:422–443

()

     }

    public void applyLUT() {
        byte[] reds2=reds, greens2=greens, blues2=blues;
        if (mapSize<256) {
            reds2 = new byte[256];
            greens2 = new byte[256];
            blues2 = new byte[256];
            for(int i = 0; i < mapSize; i++) {
                reds2[i] = reds[i];
                greens2[i] = greens[i];
                blues2[i] = blues[i];
            }
            scale(reds2, greens2, blues2, 256);
        }
        IndexColorModel cm = new IndexColorModel(8, 256, reds2, greens2, blues2);
        ImageProcessor ip = imp.getChannelProcessor();
        ip.setColorModel(cm);
        if (imp.isComposite())
        	((CompositeImage)imp).setChannelColorModel(cm);
        if (imp.getStackSize()>1 && !imp.isComposite())
            imp.getStack().setColorModel(cm);
        imp.updateAndDraw();
    }

    public void update(Graphics g) {
        paint(g);