Method isOpen

ij/src/main/java/ij/macro/Functions.java:2944–2955

()

	}

	double isOpen() {
		interp.getLeftParen();
		if (isStringArg()) {
			String title = getString();
			interp.getRightParen();
			return isOpen(title)?1.0:0.0;
		} else {
			int id = (int)interp.getExpression();
			interp.getRightParen();
			return WindowManager.getImage(id)==null?0.0:1.0;
		}
	}

	boolean isOpen(String title) {
		boolean open = WindowManager.getWindow(title)!=null;