ColorStack.cpp

/*
 * CG Madness - a Marble Madness clone
 * Copyright (C) 2007  Sven Reinck <sreinck@gmail.com>
 *
 * 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 Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

#include "ColorStack.hpp"

#include "macros.hpp"

ColorStack ColorStack::colorStack;

ColorStack::ColorStack()
{
  // empty
}

ColorStack::~ColorStack()
{
  // empty
}

void ColorStack::pushColor(const Color4& color)
{
	mStack.push_back(color);
}

void ColorStack::popColor()
{
	mStack.pop_back();
}

void ColorStack::setColor(const Color4& color) const
{
	Color4 c = color;

	FOREACH(mStack, iter)
	{
		c *= *iter;
	}

	glColor4f(c.r, c.g, c.b, c.a);
}