138 lines
4.7 KiB
C++
138 lines
4.7 KiB
C++
//=============================================================================
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// MuseScore
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// Music Composition & Notation
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// $Id: harmony.h 5500 2012-03-28 16:28:26Z wschweer $
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//
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// Copyright (C) 2008-2011 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 __HARMONY_H__
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#define __HARMONY_H__
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#include "text.h"
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struct ChordDescription;
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//---------------------------------------------------------
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// TextSegment
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//---------------------------------------------------------
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struct TextSegment {
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QFont font;
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QString text;
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qreal x, y;
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bool select;
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qreal width() const;
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QRectF boundingRect() const;
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TextSegment() { select = false; x = y = 0.0; }
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TextSegment(const QFont& f, qreal _x, qreal _y) : font(f), x(_x), y(_y), select(false) {}
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TextSegment(const QString&, const QFont&, qreal x, qreal y);
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void set(const QString&, const QFont&, qreal x, qreal y);
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void setText(const QString& t) { text = t; }
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};
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//---------------------------------------------------------
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// @@ Harmony
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// @P id int harmony identifier
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// @P rootTpc int root note as "tonal pitch class"
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// @P baseTpc int bass note as "tonal pitch class"
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//
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/// root note and bass note are notatated as
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/// "tonal pitch class":
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///
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/// bb b - # ##
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/// 0, 7, 14, 21, 28, // C
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/// 2, 9, 16, 23, 30, // D
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/// 4, 11, 18, 25, 32, // E
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/// -1, 6, 13, 20, 27, // F
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/// 1, 8, 15, 22, 29, // G
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/// 3, 10, 17, 24, 31, // A
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/// 5, 12, 19, 26, 33, // B
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//---------------------------------------------------------
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struct RenderAction;
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class HDegree;
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class Harmony : public Text {
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Q_OBJECT
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Q_PROPERTY(int id READ id WRITE setId)
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Q_PROPERTY(int rootTpc READ rootTpc WRITE setRootTpc)
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Q_PROPERTY(int baseTpc READ baseTpc WRITE setBaseTpc)
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int _rootTpc; // root note for chord
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int _baseTpc; // bass note or chord base; used for "slash" chords
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// or notation of base note in chord
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int _id;
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QString _userName;
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QList<HDegree> _degreeList;
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QList<QFont> fontList; // temp values used in render()
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QList<TextSegment*> textList; // rendered chord
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virtual void draw(QPainter*) const;
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void render(const QList<RenderAction>& renderList, qreal&, qreal&, int tpc);
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public:
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Harmony(Score* = 0);
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Harmony(const Harmony&);
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~Harmony();
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virtual Harmony* clone() const { return new Harmony(*this); }
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virtual ElementType type() const { return HARMONY; }
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void setId(int d) { _id = d; }
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int id() const { return _id; }
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const ChordDescription* descr() const;
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virtual void layout();
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virtual bool isEditable() const { return true; }
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virtual void startEdit(MuseScoreView*, const QPointF&);
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virtual bool edit(MuseScoreView*, int grip, int key, Qt::KeyboardModifiers, const QString& s);
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virtual void endEdit();
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int baseTpc() const { return _baseTpc; }
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void setBaseTpc(int val) { _baseTpc = val; }
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int rootTpc() const { return _rootTpc; }
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void setRootTpc(int val) { _rootTpc = val; }
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void addDegree(const HDegree& d);
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int numberOfDegrees() const;
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HDegree degree(int i) const;
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void clearDegrees();
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const QList<HDegree>& degreeList() const;
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virtual void write(Xml& xml) const;
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virtual void read(XmlReader&);
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QString harmonyName() const;
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void render(const TextStyle* ts = 0);
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bool parseHarmony(const QString& s, int* root, int* base);
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// extension name is used by MusicXml export as <kind text="name">xmlKind</>
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QString extensionName() const;
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QString xmlKind() const;
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QStringList xmlDegrees() const;
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void resolveDegreeList();
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virtual bool isEmpty() const;
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virtual qreal baseLine() const;
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const ChordDescription* fromXml(const QString& s, const QList<HDegree>&);
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const ChordDescription* fromXml(const QString& s);
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virtual void spatiumChanged(qreal oldValue, qreal newValue);
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virtual QLineF dragAnchor() const;
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void setHarmony(const QString& s);
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virtual QPainterPath shape() const;
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};
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#endif
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