annotate layer/PianoScale.h @ 1251:9e1559b08f0d

Fix a couple of compiler warnings
author Chris Cannam
date Tue, 28 Feb 2017 14:47:13 +0000
parents 4d0ca1ab4cd0
children b4cb11ca8233
rev   line source
Chris@690 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@690 2
Chris@690 3 /*
Chris@690 4 Sonic Visualiser
Chris@690 5 An audio file viewer and annotation editor.
Chris@690 6 Centre for Digital Music, Queen Mary, University of London.
Chris@690 7 This file copyright 2006-2013 Chris Cannam and QMUL.
Chris@690 8
Chris@690 9 This program is free software; you can redistribute it and/or
Chris@690 10 modify it under the terms of the GNU General Public License as
Chris@690 11 published by the Free Software Foundation; either version 2 of the
Chris@690 12 License, or (at your option) any later version. See the file
Chris@690 13 COPYING included with this distribution for more information.
Chris@690 14 */
Chris@690 15
Chris@690 16 #ifndef PIANO_SCALE_H
Chris@690 17 #define PIANO_SCALE_H
Chris@690 18
Chris@690 19 #include <QRect>
Chris@690 20
Chris@690 21 class QPainter;
Chris@918 22 class LayerGeometryProvider;
Chris@690 23
Chris@690 24 class PianoScale
Chris@690 25 {
Chris@690 26 public:
Chris@690 27 void paintPianoVertical
Chris@917 28 (LayerGeometryProvider *v, QPainter &paint, QRect rect, double minf, double maxf);
Chris@1238 29
Chris@1238 30 class HorizontalScaleProvider {
Chris@1238 31 public:
Chris@1238 32 virtual double getFrequencyForX(const LayerGeometryProvider *, double x) const = 0;
Chris@1238 33 virtual double getXForFrequency(const LayerGeometryProvider *, double freq) const = 0;
Chris@1238 34 };
Chris@1238 35
Chris@1238 36 void paintPianoHorizontal
Chris@1238 37 (LayerGeometryProvider *v, const HorizontalScaleProvider *p,
Chris@1238 38 QPainter &paint, QRect rect);
Chris@690 39 };
Chris@690 40
Chris@690 41 #endif
Chris@690 42
Chris@690 43
Chris@690 44