Method spectrum

ij/src/main/java/ij/plugin/LutLoader.java:233–242

(byte[] reds, byte[] greens, byte[] blues)

	}

	int spectrum(byte[] reds, byte[] greens, byte[] blues) {
		Color c;
		for (int i=0; i<256; i++) {
			c = Color.getHSBColor(i/255f, 1f, 1f);
			reds[i] = (byte)c.getRed();
			greens[i] = (byte)c.getGreen();
			blues[i] = (byte)c.getBlue();
		}
		return 256;
	}

	/*
	int spectrum(byte[] reds, byte[] greens, byte[] blues) {