updatepolicy.h

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//--- < UPDATEPOLICY.H > ---------------------| cZUI - A Zoomable UI framework |
//
// UpdatePolicy decides when to update the
// UI window. 
//
// $Author: botik32 $
// $Revision: 1.1.1.1 $
// $Date: 2004/03/26 10:50:26 $
//-----------------------------------------------------------------------------/

/// Specifies to always update the window
class AlwaysUpdatePolicy
{
protected:
        inline bool should_update( long )
        {
                return true;
        };
        AlwaysUpdatePolicy( int )
        {};
};

/// Specifies a framerated window
class FrameUpdatePolicy
{
protected:
        long last_updated;
        int delay;
public:
        inline bool should_update( long t) 
        {
                if( t-last_updated > delay )
                {
                        last_updated = t;
                        return true;
                }
                return false;
        }

        FrameUpdatePolicy( int d )
                : last_updated(0), delay(d){};
};

//$Log: updatepolicy.h,v $
//Revision 1.1.1.1  2004/03/26 10:50:26  botik32
//Initial release
//
//Revision 1.1.1.1  2004/03/26 08:53:33  botik
//initial import
//
//
//Revision 1.2  2004/03/15 19:31:53  botik
//Changed the structure of UpdatePolicy class so that
//it can compile under MSVC. (MSVC did not like my
//nested templates :()
//
//Revision 1.1  2004/03/15 18:06:45  botik
//Initial check-in
//

---