Chris@698: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@698: 
Chris@698: /*
Chris@698:     Sonic Visualiser
Chris@698:     An audio file viewer and annotation editor.
Chris@698:     Centre for Digital Music, Queen Mary, University of London.
Chris@698:     This file copyright 2006-2013 Chris Cannam and QMUL.
Chris@698:     
Chris@698:     This program is free software; you can redistribute it and/or
Chris@698:     modify it under the terms of the GNU General Public License as
Chris@698:     published by the Free Software Foundation; either version 2 of the
Chris@698:     License, or (at your option) any later version.  See the file
Chris@698:     COPYING included with this distribution for more information.
Chris@698: */
Chris@698: 
Chris@698: #ifndef VERTICAL_SCALE_LAYER_H
Chris@698: #define VERTICAL_SCALE_LAYER_H
Chris@698: 
Chris@698: class VerticalScaleLayer
Chris@698: {
Chris@698: public:
Chris@698:     virtual void getScaleExtents(View *, float &min, float &max, bool &log) const = 0;
Chris@698:     virtual int getYForValue(View *, float value) const = 0;
Chris@698:     virtual float getValueForY(View *, int y) const = 0;
Chris@698:     virtual QString getScaleUnits() const = 0;
Chris@698: };
Chris@698: 
Chris@698: #endif
Chris@698: