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palette.hpp

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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;      
00084 public:
00085 
00088     Palette();
00089 
00094     Palette( const std::vector<Entry> &entries );
00095 
00107     Color operator()( double x ) const;
00108 
00114     void clear( void );
00115 
00122     void push_back( const Color &color, double val );
00123 
00128     void normalize( void );
00129 
00138     int &steps( void );
00139 
00142     void debug_print( std::ostream &os ) const;
00143 };
00144 
00145 
00146 #endif
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Reference manual for Ion Beam Simulator 1.0.5dev
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