93 lines
2.9 KiB
C++
93 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) 2018 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 __POINT_H__
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#define __POINT_H__
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#include "fraction.h"
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#include <climits>
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namespace Ms {
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class Element;
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class XmlReader;
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class XmlWriter;
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enum class Pid;
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//---------------------------------------------------------
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// Location
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//---------------------------------------------------------
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class Location
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{
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int _staff;
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int _voice;
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int _measure;
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Fraction _frac;
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int _graceIndex;
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int _note;
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bool _rel;
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static int track(const Element* e);
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static int measure(const Element* e);
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static int graceIndex(const Element* e);
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static int note(const Element* e);
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public:
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constexpr Location(int staff, int voice, int measure, Fraction frac, int graceIndex, int note, bool rel)
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: _staff(staff), _voice(voice), _measure(measure), _frac(frac), _graceIndex(graceIndex), _note(note), _rel(rel)
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{
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}
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static constexpr Location absolute()
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{
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return Location(INT_MIN, INT_MIN, INT_MIN, Fraction(INT_MIN,1), INT_MIN, INT_MIN, false);
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}
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static constexpr Location relative() { return Location(0, 0, 0, Fraction(0, 1), INT_MIN, 0, true); }
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void toAbsolute(const Location& ref);
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void toRelative(const Location& ref);
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void write(XmlWriter& xml) const;
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void read(XmlReader& e);
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bool isAbsolute() const { return !_rel; }
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bool isRelative() const { return _rel; }
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int staff() const { return _staff; }
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void setStaff(int staff) { _staff = staff; }
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int voice() const { return _voice; }
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void setVoice(int voice) { _voice = voice; }
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int track() const;
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void setTrack(int track);
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int measure() const { return _measure; }
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void setMeasure(int measure) { _measure = measure; }
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Fraction frac() const { return _frac; }
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void setFrac(Fraction frac) { _frac = frac; }
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int graceIndex() const { return _graceIndex; }
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void setGraceIndex(int index) { _graceIndex = index; }
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int note() const { return _note; }
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void setNote(int note) { _note = note; }
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void fillForElement(const Element* e, bool absfrac = true);
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void fillPositionForElement(const Element* e, bool absfrac = true);
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static Location forElement(const Element* e, bool absfrac = true);
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static Location positionForElement(const Element* e, bool absfrac = true);
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static QVariant getLocationProperty(Pid pid, const Element* start, const Element* end);
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bool operator==(const Location& other) const;
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bool operator!=(const Location& other) const { return !(*this == other); }
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};
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} // namespace Ms
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#endif
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