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View.hpp
1 //
3 // SFML - Simple and Fast Multimedia Library
4 // Copyright (C) 2007-2013 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/Graphics/Export.hpp>
32 #include <SFML/Graphics/Rect.hpp>
33 #include <SFML/Graphics/Transform.hpp>
34 #include <SFML/System/Vector2.hpp>
35
36
37 namespace sf
38 {
43 class SFML_GRAPHICS_API View
44 {
45 public :
46
53 View();
54
61 explicit View(const FloatRect& rectangle);
62
70 View(const Vector2f& center, const Vector2f& size);
71
81 void setCenter(float x, float y);
82
91 void setCenter(const Vector2f& center);
92
102 void setSize(float width, float height);
103
112 void setSize(const Vector2f& size);
113
124 void setRotation(float angle);
125
141 void setViewport(const FloatRect& viewport);
142
153 void reset(const FloatRect& rectangle);
154
163 const Vector2f& getCenter() const;
164
173 const Vector2f& getSize() const;
174
183 float getRotation() const;
184
193 const FloatRect& getViewport() const;
194
204 void move(float offsetX, float offsetY);
205
214 void move(const Vector2f& offset);
215
224 void rotate(float angle);
225
241 void zoom(float factor);
242
253 const Transform& getTransform() const;
254
265 const Transform& getInverseTransform() const;
266
267 private :
268
270 // Member data
272 Vector2f m_center;
273 Vector2f m_size;
274 float m_rotation;
275 FloatRect m_viewport;
276 mutable Transform m_transform;
277 mutable Transform m_inverseTransform;
278 mutable bool m_transformUpdated;
279 mutable bool m_invTransformUpdated;
280 };
281
282 } // namespace sf
283
284
285 #endif // SFML_VIEW_HPP
286
287