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 <math.h> 00035 00036 00037 namespace sf 00038 { 00043 class SFML_API Matrix3 00044 { 00045 public : 00046 00051 Matrix3(); 00052 00057 Matrix3(float a00, float a01, float a02, 00058 float a10, float a11, float a12, 00059 float a20, float a21, float a22); 00060 00070 void SetFromTransformations(const Vector2f& origin, const Vector2f& translation, float rotation, const Vector2f& scale); 00071 00080 void SetFromProjection(const Vector2f& center, const Vector2f& size, float rotation); 00081 00090 Vector2f Transform(const Vector2f& point) const; 00091 00098 Matrix3 GetInverse() const; 00099 00107 const float* Get4x4Elements() const; 00108 00118 float operator ()(unsigned int row, unsigned int column) const; 00119 float& operator ()(unsigned int row, unsigned int column); 00120 00129 Matrix3 operator *(const Matrix3& right) const; 00130 00139 Matrix3& operator *=(const Matrix3& right); 00140 00142 // Static member data 00144 static const Matrix3 Identity; 00145 00146 private : 00147 00149 // Member data 00151 float myData[16]; 00152 }; 00153 00154 #include <SFML/Graphics/Matrix3.inl> 00155 00156 } // namespace sf 00157 00158 00159 #endif // SFML_MATRIX3_HPP
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