annotate data/model/RelativelyFineZoomConstraint.h @ 1651:7a56bb85030f single-point

Introduce deferred notifier, + start converting sparse time-value model (perhaps we should rename it too)

/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */

/*
    Sonic Visualiser
    An audio file viewer and annotation editor.
    Centre for Digital Music, Queen Mary, University of London.
    
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
    published by the Free Software Foundation; either version 2 of the
    License, or (at your option) any later version.  See the file
    COPYING included with this distribution for more information.
*/

#ifndef SV_RELATIVELY_FINE_ZOOM_CONSTRAINT_H
#define SV_RELATIVELY_FINE_ZOOM_CONSTRAINT_H

#include "base/ZoomConstraint.h"

class RelativelyFineZoomConstraint : virtual public ZoomConstraint
{
public:
    virtual ZoomLevel getNearestZoomLevel(ZoomLevel requested,
                                          RoundingDirection dir = RoundNearest)
	const override;
};

#endif