85 lines
2.9 KiB
C++
85 lines
2.9 KiB
C++
//=============================================================================
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// MuseScore
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// Music Composition & Notation
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//
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// Copyright (C) 2010-2011 Werner Schweer
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License version 2
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// as published by the Free Software Foundation and appearing in
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// the file LICENCE.GPL
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//=============================================================================
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#ifndef __TREMOLOBAR_H__
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#define __TREMOLOBAR_H__
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#include "element.h"
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#include "pitchvalue.h"
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class QPainter;
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namespace Ms {
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//---------------------------------------------------------
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// @@ TremoloBar
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//
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// @P userMag qreal
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// @P lineWidth qreal
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// @P play bool play tremolo bar
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//---------------------------------------------------------
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class TremoloBar : public Element {
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Q_OBJECT
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Q_PROPERTY(qreal userMag READ userMag WRITE undoSetUserMag)
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Q_PROPERTY(Spatium lineWidth READ lineWidth WRITE undoSetLineWidth)
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Q_PROPERTY(bool play READ play WRITE undoSetPlay)
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Spatium _lw;
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PropertyStyle lineWidthStyle;
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qreal _userMag { 1.0 }; // allowed 0.1 - 10.0
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bool _play { true };
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QList<PitchValue> _points;
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QPolygonF polygon; // computed by layout
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public:
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TremoloBar(Score* s);
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virtual TremoloBar* clone() const override { return new TremoloBar(*this); }
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virtual Element::Type type() const override { return Element::Type::TREMOLOBAR; }
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virtual void layout() override;
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virtual void draw(QPainter*) const override;
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virtual void write(Xml&) const override;
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virtual void read(XmlReader& e) override;
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QList<PitchValue>& points() { return _points; }
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const QList<PitchValue>& points() const { return _points; }
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void setPoints(const QList<PitchValue>& p) { _points = p; }
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virtual QVariant getProperty(P_ID propertyId) const override;
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virtual bool setProperty(P_ID propertyId, const QVariant&) override;
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virtual QVariant propertyDefault(P_ID) const override;
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virtual PropertyStyle propertyStyle(P_ID id) const override;
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virtual void resetProperty(P_ID id) override;
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virtual void styleChanged() override;
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virtual void reset() override;
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virtual void spatiumChanged(qreal oldValue, qreal newValue) override;
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qreal userMag() const { return _userMag; }
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void setUserMag(qreal m) { _userMag = m; }
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void undoSetUserMag(qreal val);
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void setLineWidth(Spatium v) { _lw = v; }
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Spatium lineWidth() const { return _lw; }
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void undoSetLineWidth(Spatium);
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bool play() const { return _play; }
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void setPlay(bool val) { _play = val; }
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void undoSetPlay(bool);
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};
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} // namespace Ms
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#endif
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