Renderer.hpp

//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2009 Laurent Gomila (laurent.gom@gmail.com)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
//    you must not claim that you wrote the original software.
//    If you use this software in a product, an acknowledgment
//    in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
//    and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//

#ifndef SFML_RENDERER_HPP
#define SFML_RENDERER_HPP

// Headers
#include <SFML/Config.hpp>
#include <SFML/System/NonCopyable.hpp>
#include <SFML/Graphics/Color.hpp>
#include <SFML/Graphics/Drawable.hpp>
#include <SFML/Graphics/Matrix3.hpp>


namespace sf
{
class Image;
class Shader;

class SFML_API Renderer : NonCopyable
{
public :

    enum PrimitiveType
    {
        TriangleList,  
        TriangleStrip, 
        TriangleFan,   
        QuadList       
    };

public :

    Renderer(RenderTarget& target);

    ~Renderer();

    void Initialize();

    void SaveGLStates();

    void RestoreGLStates();

    void Clear(const Color& color);

    void PushStates();

    void PopStates();

    void SetModelView(const Matrix3& matrix);

    void ApplyModelView(const Matrix3& matrix);

    void SetProjection(const Matrix3& matrix);

    void SetColor(const Color& color);

    void ApplyColor(const Color& color);

    void SetViewport(const IntRect& viewport);

    void SetBlendMode(Blend::Mode mode);

    void SetTexture(const Image* texture);

    void SetShader(const Shader* shader);

    void Begin(PrimitiveType type);

    void End();

    void AddVertex(float x, float y);

    void AddVertex(float x, float y, float u, float v);

    void AddVertex(float x, float y, const Color& color);

    void AddVertex(float x, float y, float u, float v, const Color& color);

private :

    void ProcessVertex(float x, float y, float u, float v, float r, float g, float b, float a);

    // Structure holding the render states that can be stacked
    struct States
    {
        States() : r(1.f), g(1.f), b(1.f), a(1.f) {}

        Matrix3 modelView;  
        float   r, g, b, a; 
    };

    // Member data
    RenderTarget& myTarget;           
    States        myStatesStack[64];  
    States*       myStates;           
    const Image*  myTexture;          
    const Shader* myShader;           
    Blend::Mode   myBlendMode;        
    IntRect       myViewport;         
    bool          myTextureIsValid;   
    bool          myShaderIsValid;    
    bool          myBlendModeIsValid; 
    bool          myViewportIsValid;  
};

} // namespace sf


#endif // SFML_RENDERER_HPP

 ::  Copyright © 2007-2008 Laurent Gomila, all rights reserved  ::  Documentation generated by doxygen 1.5.2  ::