pgsurfacecache.h

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/*
    ParaGUI - crossplatform widgetset
    Copyright (C) 2000,2001,2002  Alexander Pipelka
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public
    License along with this library; if not, write to the Free
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
    Alexander Pipelka
    pipelka@teleweb.at
 
    Last Update:      $Author: mbickel $
    Update Date:      $Date: 2007-04-13 16:15:57 $
    Source File:      $Source: /home/cvspsrv/cvsroot/games/asc/source/libs/paragui/include/pgsurfacecache.h,v $
    CVS/RCS Revision: $Revision: 1.2 $
    Status:           $State: Exp $
*/

#ifndef PG_SURFACECACHE_H
#define PG_SURFACECACHE_H

#include "paragui.h"
#include "pgcolor.h"
#include "pgdraw.h"
#include <string>

typedef struct {
        int refcount;
        SDL_Surface* surface;
        std::string key;
}
pg_surface_cache_t;


class DECLSPEC PG_SurfaceCache {
public:

        PG_SurfaceCache();

        virtual ~PG_SurfaceCache();

        void CreateKey(std::string &key, Uint16 w, Uint16 h,
                       PG_Gradient* gradient, SDL_Surface* background,
                       PG_Draw::BkMode bkmode, Uint8 blend);

        SDL_Surface* FindSurface(const std::string &key);

        SDL_Surface* AddSurface(const std::string &key, SDL_Surface* surface);

        void DeleteSurface(SDL_Surface* surface, bool bDeleteIfNotExists = true);

        void IncRef(const std::string &key);

        void Cleanup();

private:

        DLLLOCAL pg_surface_cache_t* FindByKey(const std::string &key);

        DLLLOCAL pg_surface_cache_t* FindBySurface(SDL_Surface* surface);

        void* my_surfacemap;
        void* my_surfacemap_index;
};

#endif  // SURFACECACHE_H

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