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