Method updateAndDraw

ij/src/main/java/ij/macro/Functions.java:1190–1199

()

	}

	void updateAndDraw() {
		if (autoUpdate) {
			ImagePlus imp = defaultImp;
			if (imp==null)
				imp = getImage();
			imp.updateChannelAndDraw();
			imp.changes = true;
		} else
			updateNeeded = true;
	}

	void updateDisplay() {
		if (updateNeeded && WindowManager.getImageCount()>0) {