color.cpp

/**
 * @file color.cpp Color
 *
 * @author Copyright &copy; 2007-2012 Daniel Swanson <danij@dengine.net>
 *
 * @par License
 * GPL: http://www.gnu.org/licenses/gpl.html
 *
 * <small>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., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA</small>
 */

#include "de_platform.h"
#include "color.h"

float ColorRawf_AverageColor(ColorRawf* c)
{
    DENG_ASSERT(c);
    return (c->red + c->green + c->blue) / 3;
}

float ColorRawf_AverageColorMulAlpha(ColorRawf* c)
{
    DENG_ASSERT(c);
    return (c->red + c->green + c->blue) / 3 * c->alpha;
}