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Style.js
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/*
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* Copyright (C) 2014 Canonical, Ltd.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 3.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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.pragma library
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function
luminance() {
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var sum = 0;
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// TODO this was originally
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// for (var k in arguments) {
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// but for some unkown reason was causing crashes in testDash/testDashContent
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// investigate when we have some time
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for
(var k = 0; k < arguments.length; ++k) {
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// only way to convert string to color
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var c = Qt.lighter(arguments[k], 1.0);
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sum += 0.2126 * c.r + 0.7152 * c.g + 0.0722 * c.b;
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}
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return
sum / arguments.length;
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}
plugins
Utils
Style.js
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