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OglImageCacheStore.h

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/*
 *  OglImageCacheStore.h
 *  For MediaTable
 *
 *  Created by Daan Odijk on 14-09-09.
 *
 *  Based completely on OglImageCache.h from OglGui, with 1 modifications:
 *  - OglImageCacheStore is a singleton instance
 *
 */

#ifndef MediaTable_OglImageCacheStore_h
#define MediaTable_OglImageCacheStore_h

#include "OglGui/OglImageCache.h"

namespace Impala {
namespace Application {
namespace MediaTable {

class OglImageCacheStore : public OglGui::OglImageCache
{
public:
        static void Initialize(int size)
        {
                if (sInstance)
                {
                        ILOG_WARN("OglImageCacheStore already initialized. Skipping.");
                        return;
                }
        else
                        sInstance = new OglImageCacheStore(size);
        }

        static OglImageCacheStore* GetInstance()
        {
                if(!sInstance)
            Initialize(sDefaultSize);
                return sInstance;
        }

        void Clear()
    {
                delete sInstance;
                sInstance = 0;
        }

private:
    // constructor: private
        OglImageCacheStore(int size) : OglImageCache(size)
        {
                Init();
        }

    // copy constructor: private
        OglImageCacheStore(OglImageCacheStore const&) : OglImageCache(0) {};

    // assignment operator: private
        OglImageCacheStore& operator=(OglImageCacheStore const&){};

        void Init()
        {
                ILOG_DEBUG("Initializing OglImageCacheStore");
        }

        static OglImageCacheStore*          sInstance;
        static int                                      sDefaultSize;

        ILOG_VAR_DEC;
};

OglImageCacheStore* OglImageCacheStore::sInstance       = 0;
int                     OglImageCacheStore::sDefaultSize    = 1000;

ILOG_VAR_INIT(OglImageCacheStore, Application.MediaTable);

} // namespace MediaTable
} // namespace Application
} // namespace Impala

#endif // OglImageCacheStore_h

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