1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
/* -*- 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 Chris Cannam.
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 SV_TIME_RULER_H
#define SV_TIME_RULER_H
#include "SingleColourLayer.h"
#include <QRect>
#include <QColor>
class QPainter;
namespace sv {
class View;
class Model;
class TimeRulerLayer : public SingleColourLayer
{
Q_OBJECT
public:
TimeRulerLayer();
void paint(LayerGeometryProvider *v, QPainter &paint, QRect rect) const override;
void setModel(ModelId);
ModelId getModel() const override { return m_model; }
enum LabelHeight { LabelTop, LabelMiddle, LabelBottom };
void setLabelHeight(LabelHeight h) { m_labelHeight = h; }
LabelHeight getLabelHeight() const { return m_labelHeight; }
bool snapToFeatureFrame(LayerGeometryProvider *, sv_frame_t &, int &,
SnapType, int) const override;
ColourSignificance getLayerColourSignificance() const override {
return ColourIrrelevant;
}
ScaleExtents getVerticalExtents() const override {
return NO_VERTICAL_EXTENTS;
}
QString getLayerPresentationName() const override;
int getVerticalScaleWidth(LayerGeometryProvider *, bool, QPainter &) const override { return 0; }
void toXml(QTextStream &stream, QString indent = "",
QString extraAttributes = "") const override;
void setProperties(const LayerAttributes &attributes) override;
bool canExistWithoutModel() const override { return true; }
protected:
ModelId m_model;
LabelHeight m_labelHeight;
int getDefaultColourHint(bool dark, bool &impose) override;
int64_t getMajorTickUSec(LayerGeometryProvider *, bool &quarterTicks) const;
int getXForUSec(LayerGeometryProvider *, double usec) const;
};
} // end namespace sv
#endif
|
