00001 /* 00002 ** ClanLib SDK 00003 ** Copyright (c) 1997-2011 The ClanLib Team 00004 ** 00005 ** This software is provided 'as-is', without any express or implied 00006 ** warranty. In no event will the authors be held liable for any damages 00007 ** arising from the use of this software. 00008 ** 00009 ** Permission is granted to anyone to use this software for any purpose, 00010 ** including commercial applications, and to alter it and redistribute it 00011 ** freely, subject to the following restrictions: 00012 ** 00013 ** 1. The origin of this software must not be misrepresented; you must not 00014 ** claim that you wrote the original software. If you use this software 00015 ** in a product, an acknowledgment in the product documentation would be 00016 ** appreciated but is not required. 00017 ** 2. Altered source versions must be plainly marked as such, and must not be 00018 ** misrepresented as being the original software. 00019 ** 3. This notice may not be removed or altered from any source distribution. 00020 ** 00021 ** Note: Some of the libraries ClanLib may link to may have additional 00022 ** requirements or restrictions. 00023 ** 00024 ** File Author(s): 00025 ** 00026 ** Harry Storbacka 00027 ** Magnus Norddahl 00028 ** (if your name is missing here, please add it) 00029 */ 00030 00033 00034 #pragma once 00035 00036 #include "../api_core.h" 00037 #include "point.h" 00038 00044 class CL_API_CORE CL_LineMath 00045 { 00046 public: 00047 // Operations: 00048 00056 static float point_right_of_line( float x, float y, float *line ); 00057 00068 static float point_right_of_line( float x, float y, float line_x1, float line_y1, float line_x2, float line_y2 ); 00069 00077 static float point_right_of_line( const CL_Pointf &A, const CL_Pointf &B, const CL_Pointf &P ); 00078 00086 static CL_Pointf midpoint( const CL_Pointf &A, const CL_Pointf &B ); 00087 00093 static CL_Pointf closest_point( const CL_Pointf &P, const CL_Pointf &A, const CL_Pointf &B ); 00094 00100 static float closest_point_relative( const CL_Pointf &P, const CL_Pointf &A, const CL_Pointf &B ); 00101 }; 00102