/*
**  ClanLib SDK
**  Copyright (c) 1997-2005 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):
**
**    Harry Storbacka
**    Magnus Norddahl
**    (if your name is missing here, please add it)
*/

//! clanDisplay="Collision"
//! header=display.h

#ifndef header_outline_provider
#define header_outline_provider

#if _MSC_VER > 1000
#pragma once
#endif

#include "contour.h"

//: Collision detection contour.
//- !group=Display/Collision !
//- !header=display.h!
//- <p>Abstract Base class for outline providers. Don't use this!</p>
class CL_OutlineProvider
{
//! Construction:
 public:
	//: Construct a outline provider
	CL_OutlineProvider() {};
	virtual ~CL_OutlineProvider() {}; 

//! Attributes:
 public:
	//: return the countours that make up the outline
	virtual std::vector<CL_Contour> get_contours()=0;

	//: return the width of the image used as basis for outline creation, or -1 when loading a precompiled outline.
	virtual int get_width()=0;

	//: return the height of the image used as basis for outline creation, or -1 when loading a precompiled outline.
	virtual int get_height()=0;
};

#endif
