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HxImgSystem.h

/*
 *  Copyright (c) 2000, University of Amsterdam, The Netherlands.
 *  All rights reserved.
 *
 *
 *  Author(s):
 *  Edo Poll (poll@wins.uva.nl)
 *  Dennis Koelma (koelma@wins.uva.nl)
 */

#ifndef HxImgSystem_h
#define HxImgSystem_h

#include "HxStd.h"
#include "HxIoFwd.h"

#include <list>

class HxLogMessage;


class L_HXIMAGEREP HxImgSystem {

public:

                                    ~HxImgSystem();
    static HxImgSystem&             instance();

    HxLogMessage*                   allocated(size_t);
    HxLogMessage*                   deallocated(size_t);
    size_t                          memoryUsage() const;

    // Message log

    void                            pushMessage(HxLogMessage*);

    void                            setLogging(bool);
    bool                            isLogging() const;
    void                            verboseLogging(bool);

    void                            clearLog();
    STD_OSTREAM&                    printLog(STD_OSTREAM&) const;

private:
                                    HxImgSystem();
                                    HxImgSystem(const HxImgSystem&);
    HxImgSystem&                    operator=(const HxImgSystem&);

    size_t                          _memUse;

    typedef HxLogMessage*           LogMsgPtr;
    typedef std::list<LogMsgPtr>    LogMsgList;

#pragma warning(disable: 4251)
    LogMsgList                      _logMsgList;
#pragma warning(default: 4251)

    bool                            _logOn;
    bool                            _logVerbose;
    HxLogMessage*                   _lastMsg;
};

inline bool
HxImgSystem::isLogging() const
{
    return _logOn;
}

#endif

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