KDEUI
kcolorspaces.h
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00001 /* This file is part of the KDE project 00002 * Copyright (C) 2007 Matthew Woehlke <mw_triad@users.sourceforge.net> 00003 * 00004 * This library is free software; you can redistribute it and/or 00005 * modify it under the terms of the GNU Library General Public 00006 * License as published by the Free Software Foundation; either 00007 * version 2 of the License, or (at your option) any later version. 00008 * 00009 * This library is distributed in the hope that it will be useful, 00010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00012 * Library General Public License for more details. 00013 * 00014 * You should have received a copy of the GNU Library General Public License 00015 * along with this library; see the file COPYING.LIB. If not, write to 00016 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 00017 * Boston, MA 02110-1301, USA. 00018 */ 00019 00020 /* 00021 * If you use KColorSpaces in your own KDE code, please drop me a line at 00022 * mw_triad@users.sourceforge.net, as I would like to track if people find it 00023 * useful. Thanks! 00024 */ 00025 00026 #ifndef KCOLORSPACES_H 00027 #define KCOLORSPACES_H 00028 00029 #include <QtGui/QColor> 00030 00031 namespace KColorSpaces 00032 { 00033 00034 class KHCY 00035 { 00036 public: 00037 explicit KHCY(const QColor&); 00038 explicit KHCY(qreal h_, qreal c_, qreal y_, qreal a_ = 1.0); 00039 QColor qColor() const; 00040 qreal h, c, y, a; 00041 static qreal luma(const QColor&); 00042 private: 00043 static qreal gamma(qreal); 00044 static qreal igamma(qreal); 00045 static qreal lumag(qreal, qreal, qreal); 00046 }; 00047 00048 } 00049 00050 #endif // KCOLORUTILS_H 00051 // kate: space-indent on; indent-width 4; replace-tabs on; auto-insert-doxygen on;
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