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color.hpp
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/* Copyright (c) 2005-2010 Taneli Kalvas. All rights reserved.
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*
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* You can redistribute this software and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this library (file "COPYING" included in the package);
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* if not, write to the Free Software Foundation, Inc., 51 Franklin
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* Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* If you have questions about your rights to use or distribute this
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* software, please contact Berkeley Lab's Technology Transfer
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* Department at TTD@lbl.gov. Other questions, comments and bug
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* reports should be sent directly to the author via email at
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* taneli.kalvas@jyu.fi.
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*
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* NOTICE. This software was developed under partial funding from the
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* U.S. Department of Energy. As such, the U.S. Government has been
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* granted for itself and others acting on its behalf a paid-up,
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* nonexclusive, irrevocable, worldwide license in the Software to
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* reproduce, prepare derivative works, and perform publicly and
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* display publicly. Beginning five (5) years after the date
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* permission to assert copyright is obtained from the U.S. Department
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* of Energy, and subject to any subsequent five (5) year renewals,
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* the U.S. Government is granted for itself and others acting on its
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* behalf a paid-up, nonexclusive, irrevocable, worldwide license in
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* the Software to reproduce, prepare derivative works, distribute
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* copies to the public, perform publicly and display publicly, and to
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* permit others to do so.
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*/
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#ifndef COLOR_HPP
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#define COLOR_HPP 1
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#include <iostream>
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#include "
error.hpp
"
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class
Color
{
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double
_comp[4];
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public
:
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Color
() {
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_comp[0] = 0.0;
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_comp[1] = 0.0;
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_comp[2] = 0.0;
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_comp[3] = 1.0;
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}
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Color
(
double
r,
double
g,
double
b ) {
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_comp[0] = r;
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_comp[1] = g;
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_comp[2] = b;
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_comp[3] = 1.0;
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}
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Color
(
double
r,
double
g,
double
b,
double
a ) {
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_comp[0] = r;
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_comp[1] = g;
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_comp[2] = b;
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_comp[3] = a;
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}
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const
double
&
operator[]
(
int
i )
const
{
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return
( _comp[i] );
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}
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double
&
operator[]
(
int
i ) {
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return
( _comp[i] );
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}
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Color
operator-
(
const
Color
&c )
const
{
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return
(
Color
( _comp[0]-c[0],
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_comp[1]-c[1],
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_comp[2]-c[2],
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_comp[3]-c[3] ) );
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}
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Color
operator+
(
const
Color
&c )
const
{
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return
(
Color
( _comp[0]+c[0],
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_comp[1]+c[1],
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_comp[2]+c[2],
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_comp[3]+c[3] ) );
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}
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Color
operator*
(
double
x )
const
{
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return
(
Color
( x*_comp[0],
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x*_comp[1],
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x*_comp[2],
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x*_comp[3] ) );
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}
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friend
Color
operator*
(
double
x,
const
Color
&c );
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friend
std::ostream &
operator<<
( std::ostream &os,
const
Color
&c );
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};
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inline
Color
operator*
(
double
x,
const
Color
&c )
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{
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return
(
Color
( x*c[0], x*c[1], x*c[2], x*c[3] ) );
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}
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inline
std::ostream &
operator<<
( std::ostream &os,
const
Color
&c )
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{
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os <<
to_string
(c[0]) <<
" "
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<<
to_string
(c[1]) <<
" "
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<<
to_string
(c[2]) <<
" "
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<<
to_string
(c[3]);
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return
( os );
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}
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#endif
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Reference manual for Ion Beam Simulator 1.0.5b
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1.8.2 on Sun Oct 7 2012 06:30:39.