view data/model/PowerOfTwoZoomConstraint.h @ 179:0ed2b2e26b44

* Tidy up inheritance hierarchy of model classes -- remove ZoomConstraint as a base class (make it a member instead) and remove virtual inheritances of QObject (no longer necessary).
author Chris Cannam
date Thu, 05 Oct 2006 11:03:06 +0000
parents 3a13b0d4934e
children 59e7fe1b1003
line wrap: on
line source
/* -*- 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 file copyright 2006 Chris Cannam.
    
    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 _POWER_OF_TWO_ZOOM_CONSTRAINT_H_
#define _POWER_OF_TWO_ZOOM_CONSTRAINT_H_

#include "base/ZoomConstraint.h"

class PowerOfTwoZoomConstraint : virtual public ZoomConstraint
{
public:
    virtual size_t getNearestBlockSize(size_t requestedBlockSize,
				       RoundingDirection dir = RoundNearest)
	const;
};

#endif