New file |
0,0 → 1,36 |
/* |
Copyright (c) 2004-2006, The Dojo Foundation |
All Rights Reserved. |
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Licensed under the Academic Free License version 2.1 or above OR the |
modified BSD license. For more information on Dojo licensing, see: |
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http://dojotoolkit.org/community/licensing.shtml |
*/ |
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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; |
}; |
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