svgui  1.9
VerticalScaleLayer.h
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00001 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
00002 
00003 /*
00004     Sonic Visualiser
00005     An audio file viewer and annotation editor.
00006     Centre for Digital Music, Queen Mary, University of London.
00007     This file copyright 2006-2013 Chris Cannam and QMUL.
00008     
00009     This program is free software; you can redistribute it and/or
00010     modify it under the terms of the GNU General Public License as
00011     published by the Free Software Foundation; either version 2 of the
00012     License, or (at your option) any later version.  See the file
00013     COPYING included with this distribution for more information.
00014 */
00015 
00016 #ifndef VERTICAL_SCALE_LAYER_H
00017 #define VERTICAL_SCALE_LAYER_H
00018 
00019 class VerticalScaleLayer
00020 {
00021 public:
00022     virtual int getYForValue(View *, float value) const = 0;
00023     virtual float getValueForY(View *, int y) const = 0;
00024     virtual QString getScaleUnits() const = 0;
00025 };
00026 
00027 #endif
00028