graphics_interface.h

经典开源游戏glest的源代码

// ==============================================================
//	This file is part of Glest Shared Library (www.glest.org)
//
//	Copyright (C) 2001-2008 Marti駉 Figueroa
//
//	You can redistribute this code and/or modify it under 
//	the terms of the GNU General Public License as published 
//	by the Free Software Foundation; either version 2 of the 
//	License, or (at your option) any later version
// ==============================================================

#ifndef _SHARED_GRAPHICS_GRAPHICSINTERFACE_H_
#define _SHARED_GRAPHICS_GRAPHICSINTERFACE_H_

namespace Shared{ namespace Graphics{

class GraphicsFactory;
class Context;

// =====================================================
//	class GraphicsInterface  
//
///	Interface for the graphic engine
// =====================================================

class GraphicsInterface{
private:
	GraphicsFactory *graphicsFactory;
	Context *currentContext;

private:
	friend class TextureManager;
	friend class FontManager;

private:
	GraphicsInterface();
	GraphicsInterface(GraphicsInterface &);
	void operator=(GraphicsInterface &);

public:
	static GraphicsInterface &getInstance();

	void setFactory(GraphicsFactory *graphicsFactory);
	void setCurrentContext(Context *context);	

	Context *getCurrentContext() const		{return currentContext;}
	GraphicsFactory *getFactory() const		{return graphicsFactory;}
};

}}//end namespace

#endif