56 lines
1.5 KiB
C++
56 lines
1.5 KiB
C++
/*
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* This file is part of libgim.
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*
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* libgim is free software: you can redistribute it and/or modify it under the
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* terms of the GNU General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later
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* version.
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*
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* libgim is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* 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 libgim. If not, see <http://www.gnu.org/licenses/>.
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*
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* Copyright 2010 Danny Robson <danny@blubinc.net>
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*/
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#include "colour.hpp"
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#include "range.hpp"
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using namespace util;
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colour::colour (double _red, double _green, double _blue, double _alpha):
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red (_red),
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green (_green),
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blue (_blue),
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alpha (_alpha)
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{ ; }
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namespace util {
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template<>
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colour
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random (void) {
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return colour (range<double>::UNIT.rand (),
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range<double>::UNIT.rand (),
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range<double>::UNIT.rand (),
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range<double>::UNIT.rand ());
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}
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template <>
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colour&
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randomise (colour &c)
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{ return c = random<colour> (); }
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}
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std::ostream&
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operator<< (std::ostream &os, const util::colour &c) {
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os << "colour(" << c.red << ", " << c.green << ", " << c.blue << ", " << c.alpha << ")";
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return os;
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}
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