Image.hpp

00001 
00002 //
00003 // SFML - Simple and Fast Multimedia Library
00004 // Copyright (C) 2007 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_IMAGE_HPP
00026 #define SFML_IMAGE_HPP
00027 
00029 // Headers
00031 #include <SFML/Graphics/Color.hpp>
00032 #include <SFML/Graphics/VideoResource.hpp>
00033 #include <SFML/Graphics/Rect.hpp>
00034 #include <string>
00035 #include <vector>
00036 
00037 
00038 namespace sf
00039 {
00044 class SFML_API Image : public VideoResource
00045 {
00046 public :
00047 
00052     Image();
00053 
00060     Image(const Image& Copy);
00061 
00070     Image(unsigned int Width, unsigned int Height, const Color& Col = Color(0, 0, 0, 255));
00071 
00080     Image(unsigned int Width, unsigned int Height, const void* Data);
00081 
00086     ~Image();
00087 
00096     bool LoadFromFile(const std::string& Filename);
00097 
00106     bool SaveToFile(const std::string& Filename) const;
00107 
00116     void Create(unsigned int Width, unsigned int Height, const Color& Col = Color(0, 0, 0, 255));
00117 
00126     void LoadFromMemory(unsigned int Width, unsigned int Height, const void* Data);
00127 
00135     void CreateMaskFromColor(const Color& ColorKey, Uint8 Alpha = 0);
00136 
00146     void Resize(unsigned int Width, unsigned int Height, const Color& Col = Color(0, 0, 0, 255));
00147 
00157     void SetPixel(unsigned int X, unsigned int Y, const Color& Col);
00158 
00168     Color GetPixel(unsigned int X, unsigned int Y) const;
00169 
00178     const Uint32* GetPixelsPtr() const;
00179 
00185     void Update();
00186 
00191     void Bind() const;
00192 
00199     void SetSmooth(bool Smooth) const;
00200 
00208     void SetRepeat(bool Repeat) const;
00209 
00216     unsigned int GetWidth() const;
00217 
00224     unsigned int GetHeight() const;
00225 
00235     FloatRect GetTexCoords(const IntRect& Rect) const;
00236 
00245     static unsigned int GetValidTextureSize(unsigned int Size);
00246 
00255     Image& operator =(const Image& Other);
00256 
00257 private :
00258 
00263     void CreateTexture();
00264 
00269     virtual void DestroyVideoResources();
00270 
00272     // Member data
00274     unsigned int        myWidth;         
00275     unsigned int        myHeight;        
00276     unsigned int        myTextureWidth;  
00277     unsigned int        myTextureHeight; 
00278     std::vector<Uint32> myPixels;        
00279     unsigned int        myGLTexture;     
00280 };
00281 
00282 } // namespace sf
00283 
00284 
00285 #endif // SFML_IMAGE_HPP