137 lines
4 KiB
C++
137 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) 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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#include "duration.h"
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#include "tuplet.h"
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#include "score.h"
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#include "undo.h"
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#include "staff.h"
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namespace Ms {
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//---------------------------------------------------------
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// DurationElement
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//---------------------------------------------------------
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DurationElement::DurationElement(Score* s)
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: Element(s)
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{
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_tuplet = 0;
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}
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//---------------------------------------------------------
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// DurationElement
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//---------------------------------------------------------
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DurationElement::DurationElement(const DurationElement& e)
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: Element(e)
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{
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_tuplet = e._tuplet;
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_duration = e._duration;
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}
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//---------------------------------------------------------
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// DurationElement
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//---------------------------------------------------------
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DurationElement::~DurationElement()
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{
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if (tuplet() && tuplet()->elements().front() == this)
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delete tuplet();
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}
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//---------------------------------------------------------
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// globalDuration
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//---------------------------------------------------------
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Fraction DurationElement::globalDuration() const
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{
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Fraction f(_duration);
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for (Tuplet* t = tuplet(); t; t = t->tuplet())
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f /= t->ratio();
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return f;
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}
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//---------------------------------------------------------
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// actualTicks
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//---------------------------------------------------------
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int DurationElement::actualTicks() const
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{
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return Fraction(staff()->timeStretch(tick()) * globalDuration()).ticks();
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}
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Fraction DurationElement::actualFraction() const
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{
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return Fraction(staff()->timeStretch(tick()) * globalDuration());
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}
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//---------------------------------------------------------
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// readProperties
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//---------------------------------------------------------
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bool DurationElement::readProperties(XmlReader& e)
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{
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if (e.name() == "Tuplet") {
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// setTuplet(0);
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int i = e.readInt();
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Tuplet* t = e.findTuplet(i);
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if (t) {
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setTuplet(t);
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if (!score()->undo()->active()) { // HACK, also added in Undo::AddElement()
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t->add(this);
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}
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}
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else {
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qDebug("DurationElement:read(): Tuplet id %d not found", i);
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Tuplet* t = score()->searchTuplet(e, i);
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if (t) {
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qDebug(" ...found outside measure, input file corrupted?");
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setTuplet(t);
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if (!score()->undo()->active()) // HACK
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t->add(this);
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e.addTuplet(t);
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}
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}
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return true;
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}
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if (Element::readProperties(e))
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return true;
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return false;
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}
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//---------------------------------------------------------
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// writeProperties
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//---------------------------------------------------------
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void DurationElement::writeProperties(Xml& xml) const
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{
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Element::writeProperties(xml);
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if (tuplet())
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xml.tag("Tuplet", tuplet()->id());
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}
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//---------------------------------------------------------
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// writeTuplet
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//---------------------------------------------------------
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void DurationElement::writeTuplet(Xml& xml)
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{
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if (tuplet() && tuplet()->elements().front() == this) {
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tuplet()->writeTuplet(xml); // recursion
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tuplet()->setId(xml.tupletId++);
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tuplet()->write(xml);
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}
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}
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}
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