/** 
 * @file llcoord.h
 *
 * $LicenseInfo:firstyear=2001&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2010, Linden Research, Inc.
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation;
 * version 2.1 of the License only.
 * 
 * This library 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 * 
 * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
 * $/LicenseInfo$
 */

#ifndef LL_LLCOORD_H
#define LL_LLCOORD_H

// A two-dimensional pixel value
template<typename COORD_FRAME, typename VALUE_TYPE>
class LLCoord
{
public:
	typedef LLCoord<COORD_FRAME, VALUE_TYPE> self_t;
	VALUE_TYPE		mX;
	VALUE_TYPE		mY;

	LLCoord():	mX(0), mY(0)
	{}
	LLCoord(S32 x, S32 y): mX(x), mY(y)
	{}

	void set(S32 x, S32 y) { mX = x; mY = y;}
	bool operator==(const self_t& other) const { return mX == other.mX && mY == other.mY; }
	bool operator!=(const self_t& other) const { return !(*this == other); }

};

struct LL_COORD_TYPE_GL {};
struct LL_COORD_TYPE_WINDOW {};
struct LL_COORD_TYPE_SCREEN {};

typedef LLCoord<LL_COORD_TYPE_GL, S32> LLCoordGL;
typedef LLCoord<LL_COORD_TYPE_WINDOW, S32> LLCoordWindow;
typedef LLCoord<LL_COORD_TYPE_SCREEN, S32> LLCoordScreen;

#endif