00001 00005 /* Copyright (c) 2005-2011 Taneli Kalvas. All rights reserved. 00006 * 00007 * You can redistribute this software and/or modify it under the terms 00008 * of the GNU General Public License as published by the Free Software 00009 * Foundation; either version 2 of the License, or (at your option) 00010 * any later version. 00011 * 00012 * This library is distributed in the hope that it will be useful, but 00013 * WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00015 * General Public License for more details. 00016 * 00017 * You should have received a copy of the GNU General Public License 00018 * along with this library (file "COPYING" included in the package); 00019 * if not, write to the Free Software Foundation, Inc., 51 Franklin 00020 * Street, Fifth Floor, Boston, MA 02110-1301 USA 00021 * 00022 * If you have questions about your rights to use or distribute this 00023 * software, please contact Berkeley Lab's Technology Transfer 00024 * Department at TTD@lbl.gov. Other questions, comments and bug 00025 * reports should be sent directly to the author via email at 00026 * taneli.kalvas@jyu.fi. 00027 * 00028 * NOTICE. This software was developed under partial funding from the 00029 * U.S. Department of Energy. As such, the U.S. Government has been 00030 * granted for itself and others acting on its behalf a paid-up, 00031 * nonexclusive, irrevocable, worldwide license in the Software to 00032 * reproduce, prepare derivative works, and perform publicly and 00033 * display publicly. Beginning five (5) years after the date 00034 * permission to assert copyright is obtained from the U.S. Department 00035 * of Energy, and subject to any subsequent five (5) year renewals, 00036 * the U.S. Government is granted for itself and others acting on its 00037 * behalf a paid-up, nonexclusive, irrevocable, worldwide license in 00038 * the Software to reproduce, prepare derivative works, distribute 00039 * copies to the public, perform publicly and display publicly, and to 00040 * permit others to do so. 00041 */ 00042 00043 #ifndef PALETTE_HPP 00044 #define PALETTE_HPP 1 00045 00046 00047 #include <vector> 00048 #include "color.hpp" 00049 00050 00059 class Palette { 00060 00061 public: 00062 00068 struct Entry { 00069 Color _color; 00070 double _val; 00072 Entry( const Color &color, double val ); 00073 00074 bool operator<( const Entry &e ) const; 00075 }; 00076 00077 private: 00078 00079 std::vector<Entry> _entries; 00080 int _steps; 00082 public: 00083 00086 Palette(); 00087 00092 Palette( const std::vector<Entry> &entries ); 00093 00105 Color operator()( double x ) const; 00106 00112 void clear( void ); 00113 00120 void push_back( const Color &color, double val ); 00121 00126 void norm( void ); 00127 00134 void set_stepped_palette( int steps ); 00135 00138 void debug_print( std::ostream &os ) const; 00139 }; 00140 00141 00142 #endif 00143 00144 00145 00146 00147 00148 00149 00150 00151 00152 00153 00154 00155 00156 00157 00158 00159 00160 00161