Method swapStackImages

ij/src/main/java/ij/macro/Functions.java:5735–5760

(ImagePlus imp)

	}

	void swapStackImages(ImagePlus imp) {
		int n1 = (int)getFirstArg();
		int n2 = (int)getLastArg();
		ImageStack stack = imp.getStack();
		int size = stack.size();
		if (n1<1||n1>size||n2<1||n2>size)
			interp.error("Argument out of range");
		Object pixels = stack.getPixels(n1);
		String label = stack.getSliceLabel(n1);
		stack.setPixels(stack.getPixels(n2), n1);
		stack.setSliceLabel(stack.getSliceLabel(n2), n1);
		stack.setPixels(pixels, n2);
		stack.setSliceLabel(label, n2);
		int current = imp.getCurrentSlice();
		if (imp.isComposite()) {
			CompositeImage ci = (CompositeImage)imp;
			if (ci.getMode()==IJ.COMPOSITE) {
				ci.reset();
				imp.updateAndDraw();
				imp.repaintWindow();
				return;
			}
		}
		if (n1==current || n2==current)
			imp.setStack(null, stack);
	}

	void getDisplayMode(ImagePlus imp) {
		Variable v = getVariableArg();