/*
**  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):
**
**    Magnus Norddahl
**    (if your name is missing here, please add it)
*/

//! clanCore="Math"
//! header=core.h

#ifndef header_triangle_math
#define header_triangle_math

#ifdef CL_API_DLL
#ifdef CL_CORE_EXPORT
#define CL_API_CORE __declspec(dllexport)
#else
#define CL_API_CORE __declspec(dllimport)
#endif
#else
#define CL_API_CORE
#endif

#include "point.h"

//: Math operations on triangles.
//- !group=Core/Math!
//- !header=core.h!
class CL_API_CORE CL_TriangleMath
{
 public:
// Operations:

	//: Return true if the point is inside the triangle.
	//param CL_Pointf P: point to test
	//param float *vertices: Pointer to triangle vertices {x1,y1,x2,y2,x3,y3}.
	//param bool on_edge_is_outside: are points exactly on a edge in or out.
	static bool point_inside_triangle(const CL_Pointf &P, float *vertices, bool on_edge_is_outside);
	static bool point_inside_triangle(float px, float py, float *vertices, bool on_edge_is_outside);

};

#endif