79 lines
2.2 KiB
C++
79 lines
2.2 KiB
C++
//=============================================================================
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// MuseScore
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// Music Composition & Notation
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// $Id: tremolo.h 5149 2011-12-29 08:38:43Z wschweer $
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//
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// Copyright (C) 2002-2011 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 __TREMOLO_H__
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#define __TREMOLO_H__
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#include "symbol.h"
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class Chord;
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class QPainter;
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// Tremolo subtypes:
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enum TremoloType {
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OLD_TREMOLO_R8 = 0,
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OLD_TREMOLO_R16,
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OLD_TREMOLO_R32,
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OLD_TREMOLO_C8,
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OLD_TREMOLO_C16,
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OLD_TREMOLO_C32,
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TREMOLO_R8=6, TREMOLO_R16, TREMOLO_R32, TREMOLO_R64, // one note tremolo (repeat)
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TREMOLO_C8, TREMOLO_C16, TREMOLO_C32, TREMOLO_C64 // two note tremolo (change)
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};
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//---------------------------------------------------------
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// @@ Tremolo
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//---------------------------------------------------------
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class Tremolo : public Element {
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Q_OBJECT
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TremoloType _subtype;
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Chord* _chord1;
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Chord* _chord2;
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QPainterPath path;
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int _lines; // derived from _subtype
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public:
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Tremolo(Score*);
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Tremolo &operator=(const Tremolo&);
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virtual Tremolo* clone() const { return new Tremolo(*this); }
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virtual ElementType type() const { return TREMOLO; }
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QString subtypeName() const;
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void setSubtype(const QString& s);
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void setSubtype(TremoloType t);
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TremoloType subtype() const { return _subtype; }
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virtual void draw(QPainter*) const;
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virtual void layout();
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virtual void write(Xml& xml) const;
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virtual void read(const QDomElement&);
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Chord* chord1() const { return _chord1; }
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Chord* chord2() const { return _chord2; }
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void setChords(Chord* c1, Chord* c2) {
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_chord1 = c1;
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_chord2 = c2;
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}
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Fraction tremoloLen() const;
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bool twoNotes() const { return subtype() > TREMOLO_R64; } // is it a two note tremolo?
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int lines() const { return _lines; }
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};
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#endif
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