TimeGateNode.h

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/* ========================================================================
 * Copyright (c) 2006,
 * Institute for Computer Graphics and Vision
 * Graz University of Technology
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 *
 * Neither the name of the Graz University of Technology nor the names of
 * its contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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 * ========================================================================
 * PROJECT: OpenTracker
 * ======================================================================== */
/* ======================================================================= */

#ifndef _TIMEGATENODE_H
#define _TIMEGATENODE_H

#include "../OpenTracker.h"

#ifndef OT_NO_TIMEGATE_SUPPORT


namespace ot {

    class OPENTRACKER_API TimeGateNode : public Node   
    {

    protected:
        double timeframe;
        double lastTimeStamp;
        enum Mode { PASS , BLOCK } mode;
    
        TimeGateNode( double timeframe_, Mode mode_ );

    public:
        virtual int isEventGenerator()
        {
            return 1;
        }

        virtual void onEventGenerated( Event& event, Node & generator);                                

        friend class CommonNodeFactory;
    };

} // namespace ot


#endif // OT_NO_TIMEGATE_SUPPORT


#endif


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