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love / src / modules / graphics / Color.h

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/**
 * Copyright (c) 2006-2011 LOVE Development Team
 *
 * This software is provided 'as-is', without any express or implied
 * warranty.  In no event will the authors be held liable for any damages
 * arising from the use of this software.
 *
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you must not
 *    claim that you wrote the original software. If you use this software
 *    in a product, an acknowledgment in the product documentation would be
 *    appreciated but is not required.
 * 2. Altered source versions must be plainly marked as such, and must not be
 *    misrepresented as being the original software.
 * 3. This notice may not be removed or altered from any source distribution.
 **/

#ifndef LOVE_GRAPHICS_COLOR_H
#define LOVE_GRAPHICS_COLOR_H

namespace love
{
namespace graphics
{

	template <typename T>
	struct ColorT
	{
		T r;
		T g;
		T b;
		T a;

		ColorT() : r(0), g(0), b(0), a(0) {}
		ColorT(T r_, T g_, T b_, T a_) : r(r_), g(g_), b(b_), a(a_) {}
		void set(T r_, T g_, T b_, T a_) { r = r_; g = g_; b = b_; a = a_; }

		ColorT<T> operator+=(const ColorT<T>& other);
		ColorT<T> operator*=(T s);
		ColorT<T> operator/=(T s);
	};

	template <typename T>
	ColorT<T> ColorT<T>::operator+=(const ColorT<T>& other)
	{
		r += other.r;
		g += other.g;
		b += other.b;
		a += other.a;
		return *this;
	}

	template <typename T>
	ColorT<T> ColorT<T>::operator*=(T s)
	{
		r *= s;
		g *= s;
		b *= s;
		a *= s;
		return *this;
	}

	template <typename T>
	ColorT<T> ColorT<T>::operator/=(T s)
	{
		r /= s;
		g /= s;
		b /= s;
		a /= s;
		return *this;
	}

	template <typename T>
	ColorT<T> operator+(const ColorT<T>& a, const ColorT<T>& b)
	{
		ColorT<T> tmp(a);
		return tmp += b;
	}

	template <typename T>
	ColorT<T> operator*(const ColorT<T>& a, T s)
	{
		ColorT<T> tmp(a);
		return tmp *= s;
	}

	template <typename T>
	ColorT<T> operator/(const ColorT<T>& a, T s)
	{
		ColorT<T> tmp(a);
		return tmp /= s;
	}

	typedef ColorT<unsigned char> Color;
	typedef ColorT<float> Colorf;

} // graphics
} // love

#endif // LOVE_GRAPHICS_COLOR_H