RocketSDL2RenderInterface.hpp

/******************************************************************************
 
  nomlib - C++11 cross-platform game engine
 
Copyright (c) 2013, 2014 Jeffrey Carpenter <i8degrees@gmail.com>
All rights reserved.
 
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
 
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   this list of conditions and the following disclaimer in the documentation
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******************************************************************************/
#ifndef NOMLIB_GUI_ROCKET_SDL2_RENDER_INTERFACE_HPP
#define NOMLIB_GUI_ROCKET_SDL2_RENDER_INTERFACE_HPP
 
// #include <memory>
 
#include <Rocket/Core/Core.h>
#include <Rocket/Core/RenderInterface.h>
 
#include "nomlib/config.hpp"
 
#if defined(NOM_PLATFORM_WINDOWS)
  #define NOM_API_EXPORT __stdcall
#else
  #define NOM_API_EXPORT
#endif
 
namespace nom {
 
namespace priv {
 
typedef void (NOM_API_EXPORT* glUseProgramObjectARB_func) (unsigned int);
 
} // namespace priv
 
// Forward declarations
class RenderWindow;

class RocketSDL2RenderInterface: public Rocket::Core::RenderInterface
{
  public:
    static bool gl_init( int width, int height );
 
    RocketSDL2RenderInterface( RenderWindow* window );
 
    virtual ~RocketSDL2RenderInterface();

    virtual void Release();

    virtual void
    RenderGeometry( Rocket::Core::Vertex* vertices, int num_vertices,
                    int* indices, int num_indices,
                    Rocket::Core::TextureHandle texture_handle,
                    const Rocket::Core::Vector2f& translation);

    virtual void EnableScissorRegion(bool enable);

    virtual void SetScissorRegion(int x, int y, int width, int height);

    virtual bool LoadTexture(Rocket::Core::TextureHandle& texture_handle, Rocket::Core::Vector2i& texture_dimensions, const Rocket::Core::String& source);
    virtual bool GenerateTexture(Rocket::Core::TextureHandle& texture_handle, const Rocket::Core::byte* source, const Rocket::Core::Vector2i& source_dimensions);

    virtual void
    ReleaseTexture(Rocket::Core::TextureHandle texture_handle);

    RenderWindow* window_;
 
  private:
    static priv::glUseProgramObjectARB_func ctx_;
};
 
} // namespace nom
 
#endif // include guard defined