Documentation de SFML 1.6

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View.hpp
1 
2 //
3 // SFML - Simple and Fast Multimedia Library
4 // Copyright (C) 2007-2009 Laurent Gomila (laurent.gom@gmail.com)
5 //
6 // This software is provided 'as-is', without any express or implied warranty.
7 // In no event will the authors be held liable for any damages arising from the use of this software.
8 //
9 // Permission is granted to anyone to use this software for any purpose,
10 // including commercial applications, and to alter it and redistribute it freely,
11 // subject to the following restrictions:
12 //
13 // 1. The origin of this software must not be misrepresented;
14 // you must not claim that you wrote the original software.
15 // If you use this software in a product, an acknowledgment
16 // in the product documentation would be appreciated but is not required.
17 //
18 // 2. Altered source versions must be plainly marked as such,
19 // and must not be misrepresented as being the original software.
20 //
21 // 3. This notice may not be removed or altered from any source distribution.
22 //
24 
25 #ifndef SFML_VIEW_HPP
26 #define SFML_VIEW_HPP
27 
29 // Headers
31 #include <SFML/Config.hpp>
32 #include <SFML/Graphics/Rect.hpp>
33 #include <SFML/Graphics/Matrix3.hpp>
34 #include <SFML/System/Vector2.hpp>
35 
36 
37 namespace sf
38 {
39 class RenderTarget;
40 
45 class SFML_API View
46 {
47 public :
48 
55  explicit View(const FloatRect& ViewRect = FloatRect(0, 0, 1000, 1000));
56 
64  View(const sf::Vector2f& Center, const sf::Vector2f& HalfSize);
65 
73  void SetCenter(float X, float Y);
74 
81  void SetCenter(const sf::Vector2f& Center);
82 
90  void SetHalfSize(float HalfWidth, float HalfHeight);
91 
98  void SetHalfSize(const sf::Vector2f& HalfSize);
99 
106  void SetFromRect(const FloatRect& ViewRect);
107 
114  const sf::Vector2f& GetCenter() const;
115 
122  const sf::Vector2f& GetHalfSize() const;
123 
130  const sf::FloatRect& GetRect() const;
131 
139  void Move(float OffsetX, float OffsetY);
140 
147  void Move(const sf::Vector2f& Offset);
148 
155  void Zoom(float Factor);
156 
157 private :
158 
159  friend class RenderTarget;
160 
167  const Matrix3& GetMatrix() const;
168 
173  void RecomputeMatrix();
174 
176  // Member data
178  sf::Vector2f myCenter;
179  sf::Vector2f myHalfSize;
180  FloatRect myRect;
181  Matrix3 myMatrix;
182  bool myNeedUpdate;
183 };
184 
185 } // namespace sf
186 
187 
188 #endif // SFML_VIEW_HPP