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libsfml  1.6+dfsg2
Matrix3.hpp
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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 <math.h>
00034 
00035 
00036 namespace sf
00037 {
00042 class SFML_API Matrix3
00043 {
00044 public :
00045 
00050     Matrix3();
00051 
00056     Matrix3(float a00, float a01, float a02,
00057             float a10, float a11, float a12,
00058             float a20, float a21, float a22);
00059 
00069     void SetFromTransformations(const Vector2f& Center, const Vector2f& Translation, float Rotation, const Vector2f& Scale);
00070 
00079     Vector2f Transform(const Vector2f& Point) const;
00080 
00087     Matrix3 GetInverse() const;
00088 
00096     const float* Get4x4Elements() const;
00097 
00107     float  operator ()(unsigned int Row, unsigned int Col) const;
00108     float& operator ()(unsigned int Row, unsigned int Col);
00109 
00118     Matrix3 operator *(const Matrix3& Mat) const;
00119 
00128     Matrix3& operator *=(const Matrix3& Mat);
00129 
00131     // Static member data
00133     static const Matrix3 Identity; 
00134 
00135 private :
00136 
00138     // Member data
00140     float myData[16]; 
00141 };
00142 
00143 #include <SFML/Graphics/Matrix3.inl>
00144 
00145 } // namespace sf
00146 
00147 
00148 #endif // SFML_MATRIX3_HPP