MuseScore/libmscore/tremolobar.h
2016-11-19 11:51:21 +01:00

85 lines
2.9 KiB
C++

//=============================================================================
// MuseScore
// Music Composition & Notation
//
// Copyright (C) 2010-2011 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 __TREMOLOBAR_H__
#define __TREMOLOBAR_H__
#include "element.h"
#include "pitchvalue.h"
class QPainter;
namespace Ms {
//---------------------------------------------------------
// @@ TremoloBar
//
// @P userMag qreal
// @P lineWidth qreal
// @P play bool play tremolo bar
//---------------------------------------------------------
class TremoloBar : public Element {
Q_OBJECT
Q_PROPERTY(qreal userMag READ userMag WRITE undoSetUserMag)
Q_PROPERTY(Spatium lineWidth READ lineWidth WRITE undoSetLineWidth)
Q_PROPERTY(bool play READ play WRITE undoSetPlay)
Spatium _lw;
PropertyStyle lineWidthStyle;
qreal _userMag { 1.0 }; // allowed 0.1 - 10.0
bool _play { true };
QList<PitchValue> _points;
QPolygonF polygon; // computed by layout
public:
TremoloBar(Score* s);
virtual TremoloBar* clone() const override { return new TremoloBar(*this); }
virtual Element::Type type() const override { return Element::Type::TREMOLOBAR; }
virtual void layout() override;
virtual void draw(QPainter*) const override;
virtual void write(XmlWriter&) const override;
virtual void read(XmlReader& e) override;
QList<PitchValue>& points() { return _points; }
const QList<PitchValue>& points() const { return _points; }
void setPoints(const QList<PitchValue>& p) { _points = p; }
virtual QVariant getProperty(P_ID propertyId) const override;
virtual bool setProperty(P_ID propertyId, const QVariant&) override;
virtual QVariant propertyDefault(P_ID) const override;
virtual PropertyStyle propertyStyle(P_ID id) const override;
virtual void resetProperty(P_ID id) override;
virtual void styleChanged() override;
virtual void reset() override;
virtual void spatiumChanged(qreal oldValue, qreal newValue) override;
qreal userMag() const { return _userMag; }
void setUserMag(qreal m) { _userMag = m; }
void undoSetUserMag(qreal val);
void setLineWidth(Spatium v) { _lw = v; }
Spatium lineWidth() const { return _lw; }
void undoSetLineWidth(Spatium);
bool play() const { return _play; }
void setPlay(bool val) { _play = val; }
void undoSetPlay(bool);
};
} // namespace Ms
#endif