D:/Programmation/Cpp/SFML/src/SFML/AdvancedGraphics/PostFX.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_POSTFX_HPP
00026 #define SFML_POSTFX_HPP
00027 
00029 // Headers
00031 #include <SFML/Graphics/Drawable.hpp>
00032 #include <SFML/Graphics/Image.hpp>
00033 #include <SFML/Graphics/VideoResource.hpp>
00034 #include <map>
00035 #include <string>
00036 
00037 
00041 class SFML_API sfPostFX : public sfDrawable, public sfVideoResource
00042 {
00043 public :
00044 
00049     sfPostFX();
00050 
00057     sfPostFX(const std::string& Filename);
00058 
00063     ~sfPostFX();
00064 
00071     void LoadFromFile(const std::string& Filename);
00072 
00080     void SetParameter(const std::string& Name, float X);
00081 
00089     void SetParameter(const std::string& Name, float X, float Y);
00090 
00098     void SetParameter(const std::string& Name, float X, float Y, float Z);
00099 
00107     void SetParameter(const std::string& Name, float X, float Y, float Z, float W);
00108 
00116     void SetTexture(const std::string& Name, sfImage* Image);
00117 
00118 protected :
00119 
00124     virtual void Render(sfRenderWindow& Window);
00125 
00126 private :
00127 
00137     static std::string PreprocessEffect(const std::string& Filename);
00138 
00148     bool CreateAndAttachShader(const std::string& Source, unsigned int ShaderType);
00149 
00154     virtual void InitVideoResources();
00155 
00160     virtual void DestroyVideoResources();
00161 
00163     // Member data
00165     unsigned int                    myShaderProgram;  
00166     std::map<std::string, sfImage*> mySamplers;       
00167     std::string                     myFragmentShader; 
00168     sfImage                         myFrameBuffer;    
00169 };
00170 
00171 
00172 #endif // SFML_POSTFX_HPP

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