Subversion Repositories Applications.papyrus

/*

	Copyright (c) 2004-2006, The Dojo Foundation

	All Rights Reserved.

	Licensed under the Academic Free License version 2.1 or above OR the

	modified BSD license. For more information on Dojo licensing, see:

		http://dojotoolkit.org/community/licensing.shtml

*/

dojo.require("dojo.html.style");

dojo.provide("dojo.html.color");

dojo.require("dojo.gfx.color");

dojo.require("dojo.lang.common");

dojo.html.getBackgroundColor = function (node) {

	node = dojo.byId(node);

	var color;

	do {

		color = dojo.html.getStyle(node, "background-color");

		if (color.toLowerCase() == "rgba(0, 0, 0, 0)") {

			color = "transparent";

		}

		if (node == document.getElementsByTagName("body")[0]) {

			node = null;

			break;

		}

		node = node.parentNode;

	} while (node && dojo.lang.inArray(["transparent", ""], color));

	if (color == "transparent") {

		color = [255, 255, 255, 0];

	} else {

		color = dojo.gfx.color.extractRGB(color);

	}

	return color;

};