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27 lines
610 B
C++
27 lines
610 B
C++
/* glcommon GL code & font stuff
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*
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* Copyright (c) 2011-2014 Mark Watkins <jedimark@users.sourceforge.net>
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file COPYING in the main directory of the Linux
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* distribution for more details. */
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#include <cmath>
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#include "glcommon.h"
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float brightness(QColor color) {
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return color.redF()*0.299 + color.greenF()*0.587 + color.blueF()*0.114;
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}
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#ifdef BUILD_WITH_MSVC
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#if (_MSC_VER < 1800)
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double round(double number)
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{
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return number < 0.0 ? ceil(number - 0.5) : floor(number + 0.5);
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}
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#endif
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#endif
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