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_VIEW_HPP 00026 #define SFML_VIEW_HPP 00027 00029 // Headers 00031 #include <SFML/Config.hpp> 00032 #include <SFML/Graphics/Rect.hpp> 00033 #include <SFML/Graphics/Matrix3.hpp> 00034 #include <SFML/System/Vector2.hpp> 00035 00036 00037 namespace sf 00038 { 00043 class SFML_API View 00044 { 00045 public : 00046 00053 View(); 00054 00061 explicit View(const FloatRect& rectangle); 00062 00070 View(const Vector2f& center, const Vector2f& size); 00071 00081 void SetCenter(float x, float y); 00082 00091 void SetCenter(const Vector2f& center); 00092 00102 void SetSize(float width, float height); 00103 00112 void SetSize(const Vector2f& size); 00113 00124 void SetRotation(float angle); 00125 00141 void SetViewport(const FloatRect& viewport); 00142 00153 void Reset(const FloatRect& rectangle); 00154 00163 const Vector2f& GetCenter() const; 00164 00173 const Vector2f& GetSize() const; 00174 00183 float GetRotation() const; 00184 00193 const FloatRect& GetViewport() const; 00194 00204 void Move(float offsetX, float offsetY); 00205 00214 void Move(const Vector2f& offset); 00215 00224 void Rotate(float angle); 00225 00241 void Zoom(float factor); 00242 00253 const Matrix3& GetMatrix() const; 00254 00265 const Matrix3& GetInverseMatrix() const; 00266 00267 private : 00268 00270 // Member data 00272 Vector2f myCenter; 00273 Vector2f mySize; 00274 float myRotation; 00275 FloatRect myViewport; 00276 mutable Matrix3 myMatrix; 00277 mutable Matrix3 myInverseMatrix; 00278 mutable bool myMatrixUpdated; 00279 mutable bool myInvMatrixUpdated; 00280 }; 00281 00282 } // namespace sf 00283 00284 00285 #endif // SFML_VIEW_HPP 00286 00287
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