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
|
//=============================================================================
// MuseScore
// Music Composition & Notation
//
// Copyright (C) 2013 Werner Schweer
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2
// as published by the Free Software Foundation and appearing in
// the file LICENCE.GPL
//=============================================================================
#ifndef __LEDGERLINE_H__
#define __LEDGERLINE_H__
#include "element.h"
namespace Ms {
class Chord;
//---------------------------------------------------------
// @@ LedgerLine
/// Graphic representation of a ledger line.
//!
//! parent: Chord
//! x-origin: Chord
//! y-origin: SStaff
//---------------------------------------------------------
class LedgerLine final : public Element {
qreal _width;
qreal _len;
LedgerLine* _next;
bool vertical { false };
public:
LedgerLine(Score*);
LedgerLine &operator=(const LedgerLine&) = delete;
virtual LedgerLine* clone() const override { return new LedgerLine(*this); }
virtual ElementType type() const override { return ElementType::LEDGER_LINE; }
virtual QPointF pagePos() const override; ///< position in page coordinates
Chord* chord() const { return toChord(parent()); }
qreal len() const { return _len; }
qreal lineWidth() const { return _width; }
void setLen(qreal v) { _len = v; }
void setLineWidth(qreal v) { _width = v; }
virtual void layout() override;
virtual void draw(QPainter*) const override;
qreal measureXPos() const;
LedgerLine* next() const { return _next; }
void setNext(LedgerLine* l) { _next = l; }
virtual void writeProperties(XmlWriter& xml) const override;
virtual bool readProperties(XmlReader&) override;
virtual void spatiumChanged(qreal /*oldValue*/, qreal /*newValue*/) override;
};
} // namespace Ms
#endif
|
