Matrix3.hpp
00001 
00002 //
00003 // SFML - Simple and Fast Multimedia Library
00004 // Copyright (C) 2007-2009 Laurent Gomila (laurent.gom@gmail.com)
00005 //
00006 // This software is provided 'as-is', without any express or implied warranty.
00007 // In no event will the authors be held liable for any damages 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 freely,
00011 // subject to the following restrictions:
00012 //
00013 // 1. The origin of this software must not be misrepresented;
00014 //    you must not claim that you wrote the original software.
00015 //    If you use this software in a product, an acknowledgment
00016 //    in the product documentation would be appreciated but is not required.
00017 //
00018 // 2. Altered source versions must be plainly marked as such,
00019 //    and must not be misrepresented as being the original software.
00020 //
00021 // 3. This notice may not be removed or altered from any source distribution.
00022 //
00024 
00025 #ifndef SFML_MATRIX3_HPP
00026 #define SFML_MATRIX3_HPP
00027 
00029 // Headers
00031 #include <SFML/Config.hpp>
00032 #include <SFML/System/Vector2.hpp>
00033 #include <SFML/Graphics/Rect.hpp>
00034 #include <cmath>
00035 
00036 
00037 namespace sf
00038 {
00043 class SFML_API Matrix3
00044 {
00045 public :
00046 
00053     Matrix3();
00054 
00069     Matrix3(float a00, float a01, float a02,
00070             float a10, float a11, float a12,
00071             float a20, float a21, float a22);
00072 
00081     Vector2f Transform(const Vector2f& point) const;
00082 
00092     Matrix3 GetInverse() const;
00093 
00104     const float* Get4x4Elements() const;
00105 
00114     Matrix3 operator *(const Matrix3& right) const;
00115 
00129     static Matrix3 Transformation(const Vector2f& origin, const Vector2f& translation, float rotation, const Vector2f& scale);
00130 
00143     static Matrix3 Projection(const Vector2f& center, const Vector2f& size, float rotation);
00144 
00146     // Static member data
00148     static const Matrix3 Identity; 
00149 
00150 private :
00151 
00153     // Member data
00155     float myData[16]; 
00156 };
00157 
00158 #include <SFML/Graphics/Matrix3.inl>
00159 
00160 } // namespace sf
00161 
00162 
00163 #endif // SFML_MATRIX3_HPP
00164 
00165