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;
};