OpenWalnut
1.2.5
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00001 //--------------------------------------------------------------------------- 00002 // 00003 // Project: OpenWalnut ( http://www.openwalnut.org ) 00004 // 00005 // Copyright 2009 OpenWalnut Community, BSV@Uni-Leipzig and CNCF@MPI-CBS 00006 // For more information see http://www.openwalnut.org/copying 00007 // 00008 // This file is part of OpenWalnut. 00009 // 00010 // OpenWalnut is free software: you can redistribute it and/or modify 00011 // it under the terms of the GNU Lesser General Public License as published by 00012 // the Free Software Foundation, either version 3 of the License, or 00013 // (at your option) any later version. 00014 // 00015 // OpenWalnut is distributed in the hope that it will be useful, 00016 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00017 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00018 // GNU Lesser General Public License for more details. 00019 // 00020 // You should have received a copy of the GNU Lesser General Public License 00021 // along with OpenWalnut. If not, see <http://www.gnu.org/licenses/>. 00022 // 00023 //--------------------------------------------------------------------------- 00024 00025 #ifndef WCOLOR_H 00026 #define WCOLOR_H 00027 00028 #include <iostream> 00029 00030 #include <osg/Vec4> 00031 #include <osg/io_utils> // for the operator<< and operator>> for Vec4 00032 00033 #include "WExportCommon.h" 00034 00035 /** 00036 * Represents a RGBA Color. 00037 */ 00038 typedef osg::Vec4 WColor; 00039 00040 /** 00041 * Creates a color from a hue, saturation and value (HSV). 00042 * 00043 * \ingroup Color utils 00044 * 00045 * \param h hue 00046 * \param s saturation 00047 * \param v value 00048 * 00049 * \return The same color but in rgba format. 00050 */ 00051 WColor OWCOMMON_EXPORT convertHSVtoRGBA( double h, double s, double v ); 00052 00053 /** 00054 * Computes the inverse of this color in means of RGB space. The alpha value is untouched. 00055 * 00056 * \ingroup Color utils 00057 * 00058 * \param other The color (RGBA) from which the inverse should be calculated. 00059 */ 00060 WColor OWCOMMON_EXPORT inverseColor( const WColor& other ); 00061 00062 /** 00063 * Some default colors. 00064 */ 00065 namespace defaultColor 00066 { 00067 // \cond Suppress_Doxygen 00068 static const WColor GREEN( 0.0, 1.0, 0.0, 1.0 ); //!< Default for green 00069 static const WColor RED( 1.0, 0.0, 0.0, 1.0 ); //!< Default for red 00070 static const WColor BLUE( 0.0, 0.0, 1.0, 1.0 ); //!< Default for blue 00071 // \endcond 00072 } 00073 00074 #endif // WCOLOR_H