/*
**  ClanLib SDK
**  Copyright (c) 1997-2015 The ClanLib 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.
**
**  Note: Some of the libraries ClanLib may link to may have additional
**  requirements or restrictions.
**
**  File Author(s):
**
**    Kenneth Gangstoe
**    Harry Storbacka
*/


#pragma once

#include "color.h"

namespace clan
{
/// \addtogroup clanDisplay_2D clanDisplay 2D
/// \{

/// \brief Colorgradient description class.
class Gradient
{
/// \name Construction
/// \{

public:
	/// \brief Constructs a color gradient.
	Gradient()
	{
	}

	/// \brief Constructs a color gradient.
	///
	/// \param top_left Top left color component.
	/// \param top_right Top right color component.
	/// \param bottom_left Bottom left color component.
	/// \param bottom_right Bottom right color component.
	Gradient(const Colorf &top_left, const Colorf &top_right,
		const Colorf &bottom_left, const Colorf &bottom_right)
	: top_left(top_left), top_right(top_right), bottom_left(bottom_left),
	  bottom_right(bottom_right)
	{
	}

	/// \brief Constructs a Gradient
	///
	/// \param first_color = Colorf
	/// \param second_color = Colorf
	Gradient(const Colorf &first_color, const Colorf &second_color)
	: top_left(first_color), top_right(first_color), bottom_left(second_color),
	  bottom_right(second_color)
	{
	}

/// \}
/// \name Attributes
/// \{

public:
	/// \brief Color of top left corner of gradient.
	Colorf top_left;

	/// \brief Color of top right corner of gradient.
	Colorf top_right;

	/// \brief Color of bottom left corner of gradient.
	Colorf bottom_left;

	/// \brief Color of bottom right corner of gradient.
	Colorf bottom_right;

	/// \brief Compares gradient to another one.
	bool operator==(const Gradient &other) const
	{
		return top_left == other.top_left && top_right==other.top_right &&
		       bottom_left == other.bottom_left && bottom_right == bottom_right;
	}

	/// \brief Compares gradient to another one.
	bool operator!=(const Gradient &other) const
	{
		return !(*this == other);
	}
/// \}
};

}

/// \}
