| /* |
| 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; |
| }; |
| |
