145 lines
4 KiB
C++
145 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) 2010-2011 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 "tremolobar.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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#include "chord.h"
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#include "note.h"
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namespace Ms {
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//---------------------------------------------------------
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// TremoloBar
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//---------------------------------------------------------
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TremoloBar::TremoloBar(Score* s)
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: Element(s)
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{
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}
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//---------------------------------------------------------
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// layout
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//---------------------------------------------------------
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void TremoloBar::layout()
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{
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qreal _spatium = spatium();
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if (staff() && !staff()->isTabStaff()) {
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setbbox(QRectF());
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if (!parent()) {
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noteWidth = -_spatium*2;
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notePos = QPointF(0.0, _spatium*3);
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}
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return;
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}
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_lw = _spatium * 0.1;
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Note* note = 0;
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if (note == 0) {
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noteWidth = 0.0;
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notePos = QPointF();
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}
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else {
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noteWidth = note->width();
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notePos = note->pos();
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}
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// int n = _points.size();
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// int pt = 0;
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// qreal x = noteWidth * .5;
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// qreal y = notePos.y() - _spatium;
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// qreal x2, y2;
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QRectF bb (0, 0, _spatium*3, -_spatium * 4);
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#if 0
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for (int pt = 0; pt < n; ++pt) {
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if (pt == (n-1))
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break;
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x = x2;
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y = y2;
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}
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#endif
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bb.adjust(-_lw, -_lw, _lw, _lw);
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setbbox(bb);
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}
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//---------------------------------------------------------
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// draw
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//---------------------------------------------------------
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void TremoloBar::draw(QPainter* painter) const
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{
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if (staff() && !staff()->isTabStaff())
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return;
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QPen pen(curColor(), _lw, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin);
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painter->setPen(pen);
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painter->setBrush(QBrush(Qt::black));
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qreal _spatium = spatium();
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const TextStyle* st = &score()->textStyle(TEXT_STYLE_BENCH);
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QFont f = st->fontPx(_spatium);
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painter->setFont(f);
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int n = _points.size();
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// int pt = 0;
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// qreal x = noteWidth;
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// qreal y = -_spatium * .8;
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// qreal x2, y2;
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for (int pt = 0; pt < n; ++pt) {
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if (pt == (n-1))
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break;
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// int pitch = _points[pt].pitch;
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}
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//debug:
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painter->drawLine(QLineF(0.0, 0.0, _spatium*1.5, _spatium*3));
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painter->drawLine(QLineF(_spatium*1.5, _spatium*3, _spatium*3, 0.0));
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}
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//---------------------------------------------------------
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// write
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//---------------------------------------------------------
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void TremoloBar::write(Xml& xml) const
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{
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xml.stag("TremoloBar");
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foreach(const PitchValue& v, _points) {
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xml.tagE(QString("point time=\"%1\" pitch=\"%2\" vibrato=\"%3\"")
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.arg(v.time).arg(v.pitch).arg(v.vibrato));
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}
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xml.etag();
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}
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//---------------------------------------------------------
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// read
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//---------------------------------------------------------
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void TremoloBar::read(XmlReader& e)
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{
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while (e.readNextStartElement()) {
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if (e.name() == "point") {
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PitchValue pv;
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pv.time = e.intAttribute("time");
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pv.pitch = e.intAttribute("pitch");
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pv.vibrato = e.intAttribute("vibrato");
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_points.append(pv);
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e.readNext();
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}
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else
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e.unknown();
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}
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}
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}
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