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/*
Copyright (C) 2014-2018 Carl Hetherington <cth@carlh.net>
This program 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 2 of the License, or
(at your option) any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/** @file src/colour.h
* @brief Colour class.
*/
#ifndef LIBSUB_COLOUR_H
#define LIBSUB_COLOUR_H
#include <dcp/types.h>
#include <string>
#include <cmath>
namespace sub {
/** @class Colour
* @brief An RGB colour.
*/
class Colour
{
public:
Colour ()
: r (0)
, g (0)
, b (0)
{}
Colour (float r, float g, float b)
: r (r)
, g (g)
, b (b)
{}
static Colour from_argb_hex (std::string);
static Colour from_rgb_hex (std::string);
/** red component (from 0 to 1) */
float r;
/** green component (from 0 to 1) */
float g;
/** blue component (from 0 to 1) */
float b;
dcp::Colour dcp() const {
return dcp::Colour(lrintf(r * 255), lrintf(g * 255), lrintf(b * 255));
}
};
bool
operator== (Colour const & a, Colour const & b);
}
#endif
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