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//=============================================================================
// MuseScore
// Music Composition & Notation
//
// Copyright (C) 2002-2011 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 __TREMOLO_H__
#define __TREMOLO_H__
#include "durationtype.h"
#include "symbol.h"
namespace Ms {
class Chord;
// Tremolo subtypes:
enum class TremoloType : signed char {
INVALID_TREMOLO = -1,
R8=0, R16, R32, R64, BUZZ_ROLL, // one note tremolo (repeat)
C8, C16, C32, C64 // two note tremolo (change)
};
enum class TremoloPlacement : signed char {
DEFAULT = 0,
STEM_CENTER
};
//---------------------------------------------------------
// @@ Tremolo
//---------------------------------------------------------
class Tremolo final : public Element {
TremoloType _tremoloType;
Chord* _chord1;
Chord* _chord2;
TDuration _durationType;
QPainterPath path;
int _lines; // derived from _subtype
TremoloPlacement _tremoloPlacement = TremoloPlacement::DEFAULT;
QPainterPath basePath() const;
void computeShape();
void layoutOneNoteTremolo(qreal x, qreal y, qreal spatium);
void layoutTwoNotesTremolo(qreal x, qreal y, qreal h, qreal spatium);
public:
Tremolo(Score*);
Tremolo(const Tremolo&);
Tremolo &operator=(const Tremolo&) = delete;
virtual Tremolo* clone() const { return new Tremolo(*this); }
virtual ElementType type() const { return ElementType::TREMOLO; }
virtual int subtype() const override { return (int) _tremoloType; }
virtual QString subtypeName() const override;
QString tremoloTypeName() const;
void setTremoloType(const QString& s);
static TremoloType name2Type(const QString& s);
static QString type2name(TremoloType t);
Chord* chord() const { return toChord(parent()); }
void setTremoloType(TremoloType t);
TremoloType tremoloType() const { return _tremoloType; }
virtual qreal mag() const;
virtual void draw(QPainter*) const;
virtual void layout();
void layout2();
virtual void write(XmlWriter& xml) const;
virtual void read(XmlReader&);
Chord* chord1() const { return _chord1; }
Chord* chord2() const { return _chord2; }
TDuration durationType() const { return _durationType; }
void setDurationType(TDuration d) { _durationType = d; }
void setChords(Chord* c1, Chord* c2) {
_chord1 = c1;
_chord2 = c2;
}
Fraction tremoloLen() const;
bool twoNotes() const { return tremoloType() >= TremoloType::C8; } // is it a two note tremolo?
int lines() const { return _lines; }
bool placeMidStem() const;
virtual void spatiumChanged(qreal oldValue, qreal newValue) override;
virtual void localSpatiumChanged(qreal oldValue, qreal newValue) override;
virtual void styleChanged() override;
virtual QString accessibleInfo() const override;
virtual QVariant getProperty(Pid propertyId) const override;
virtual bool setProperty(Pid propertyId, const QVariant&) override;
virtual Pid propertyId(const QStringRef& xmlName) const override;
virtual QString propertyUserValue(Pid) const override;
};
} // namespace Ms
#endif
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