Add Color class.

--HG--
branch : minor

src/modules/graphics/Color.h

@@ -0,0 +1,103 @@
+/**
+ * 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