Mercurial > hg > svgui
annotate layer/VerticalScaleLayer.h @ 1191:91aac85406fb levelpanwidget
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author | Chris Cannam |
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date | Thu, 15 Dec 2016 14:39:52 +0000 |
parents | 6eb9e032e708 |
children |
rev | line source |
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Chris@696 | 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ |
Chris@696 | 2 |
Chris@696 | 3 /* |
Chris@696 | 4 Sonic Visualiser |
Chris@696 | 5 An audio file viewer and annotation editor. |
Chris@696 | 6 Centre for Digital Music, Queen Mary, University of London. |
Chris@696 | 7 This file copyright 2006-2013 Chris Cannam and QMUL. |
Chris@696 | 8 |
Chris@696 | 9 This program is free software; you can redistribute it and/or |
Chris@696 | 10 modify it under the terms of the GNU General Public License as |
Chris@696 | 11 published by the Free Software Foundation; either version 2 of the |
Chris@696 | 12 License, or (at your option) any later version. See the file |
Chris@696 | 13 COPYING included with this distribution for more information. |
Chris@696 | 14 */ |
Chris@696 | 15 |
Chris@696 | 16 #ifndef VERTICAL_SCALE_LAYER_H |
Chris@696 | 17 #define VERTICAL_SCALE_LAYER_H |
Chris@696 | 18 |
Chris@1066 | 19 /** |
Chris@1066 | 20 * Interface for layers in which the Y axis represents (or can |
Chris@1066 | 21 * sometimes represent, depending on the display mode) the sample |
Chris@1067 | 22 * value. For example, TimeValueLayer uses vertical scale when in |
Chris@1067 | 23 * point mode and so provides this interface. |
Chris@1066 | 24 */ |
Chris@696 | 25 class VerticalScaleLayer |
Chris@696 | 26 { |
Chris@696 | 27 public: |
Chris@916 | 28 virtual int getYForValue(LayerGeometryProvider *, double value) const = 0; |
Chris@916 | 29 virtual double getValueForY(LayerGeometryProvider *, int y) const = 0; |
Chris@696 | 30 virtual QString getScaleUnits() const = 0; |
Chris@696 | 31 }; |
Chris@696 | 32 |
Chris@696 | 33 #endif |
Chris@696 | 34 |