annotate layer/VerticalScaleLayer.h @ 863:7c75fae51409

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/* -*- 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 2006-2013 Chris Cannam and QMUL.
    
    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 VERTICAL_SCALE_LAYER_H
#define VERTICAL_SCALE_LAYER_H

class VerticalScaleLayer
{
public:
    virtual int getYForValue(View *, float value) const = 0;
    virtual float getValueForY(View *, int y) const = 0;
    virtual QString getScaleUnits() const = 0;
};

#endif