Documentation de SFML 2.4.2

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Texture.hpp
1 //
3 // SFML - Simple and Fast Multimedia Library
4 // Copyright (C) 2007-2017 Laurent Gomila (laurent@sfml-dev.org)
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 //
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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.
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21 // 3. This notice may not be removed or altered from any source distribution.
22 //
24 
25 #ifndef SFML_TEXTURE_HPP
26 #define SFML_TEXTURE_HPP
27 
29 // Headers
31 #include <SFML/Graphics/Export.hpp>
32 #include <SFML/Graphics/Image.hpp>
33 #include <SFML/Window/GlResource.hpp>
34 
35 
36 namespace sf
37 {
38 class Window;
39 class RenderTarget;
40 class RenderTexture;
41 class InputStream;
42 
47 class SFML_GRAPHICS_API Texture : GlResource
48 {
49 public:
50 
56  {
58  Pixels
59  };
60 
61 public:
62 
69  Texture();
70 
77  Texture(const Texture& copy);
78 
83  ~Texture();
84 
96  bool create(unsigned int width, unsigned int height);
97 
127  bool loadFromFile(const std::string& filename, const IntRect& area = IntRect());
128 
159  bool loadFromMemory(const void* data, std::size_t size, const IntRect& area = IntRect());
160 
190  bool loadFromStream(InputStream& stream, const IntRect& area = IntRect());
191 
214  bool loadFromImage(const Image& image, const IntRect& area = IntRect());
215 
222  Vector2u getSize() const;
223 
237  Image copyToImage() const;
238 
255  void update(const Uint8* pixels);
256 
277  void update(const Uint8* pixels, unsigned int width, unsigned int height, unsigned int x, unsigned int y);
278 
297  void update(const Image& image);
298 
314  void update(const Image& image, unsigned int x, unsigned int y);
315 
334  void update(const Window& window);
335 
351  void update(const Window& window, unsigned int x, unsigned int y);
352 
367  void setSmooth(bool smooth);
368 
377  bool isSmooth() const;
378 
402  void setSrgb(bool sRgb);
403 
412  bool isSrgb() const;
413 
436  void setRepeated(bool repeated);
437 
446  bool isRepeated() const;
447 
471  bool generateMipmap();
472 
481  Texture& operator =(const Texture& right);
482 
493  unsigned int getNativeHandle() const;
494 
526  static void bind(const Texture* texture, CoordinateType coordinateType = Normalized);
527 
538  static unsigned int getMaximumSize();
539 
540 private:
541 
542  friend class RenderTexture;
543  friend class RenderTarget;
544 
558  static unsigned int getValidSize(unsigned int size);
559 
567  void invalidateMipmap();
568 
570  // Member data
572  Vector2u m_size;
573  Vector2u m_actualSize;
574  unsigned int m_texture;
575  bool m_isSmooth;
576  bool m_sRgb;
577  bool m_isRepeated;
578  mutable bool m_pixelsFlipped;
579  bool m_fboAttachment;
580  bool m_hasMipmap;
581  Uint64 m_cacheId;
582 };
583 
584 } // namespace sf
585 
586 
587 #endif // SFML_TEXTURE_HPP
588 
Abstract class for custom file input streams.
Definition: InputStream.hpp:41
Base class for classes that require an OpenGL context.
Definition: GlResource.hpp:44
Target for off-screen 2D rendering into a texture.
Image living on the graphics card that can be used for drawing.
Definition: Texture.hpp:47
Window that serves as a target for OpenGL rendering.
CoordinateType
Types of texture coordinates that can be used for rendering.
Definition: Texture.hpp:55
Base class for all render targets (window, texture, ...)
Class for loading, manipulating and saving images.
Definition: Image.hpp:46
Texture coordinates in range [0 .. 1].
Definition: Texture.hpp:57