libcruft-util/colour.hpp

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/*
* This file is part of libgim.
*
* libgim is free software: you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* libgim is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with libgim. If not, see <http://www.gnu.org/licenses/>.
*
* Copyright 2010-2015 Danny Robson <danny@nerdcruft.net>
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*/
#ifndef __UTIL_COLOUR_HPP
#define __UTIL_COLOUR_HPP
#include "coord.hpp"
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#include "json/tree.hpp"
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#include <iostream>
namespace util {
/// An RGBA colour POD type.
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template <typename T>
struct colour : public coord::base<4,T,colour,coord::rgba> {
using coord::base<4,T,util::colour,coord::rgba>::base;
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static const colour WHITE;
static const colour BLACK;
static const colour RED;
static const colour BLUE;
static const colour GREEN;
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};
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typedef colour<float> colour4f;
const json::tree::node& operator>> (const json::tree::node&, util::colour4f&);
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std::ostream& operator<< (std::ostream&, const util::colour4f&);
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}
#endif