381 lines
12 KiB
C++
381 lines
12 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 "bend.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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#include "xml.h"
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namespace Ms {
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//---------------------------------------------------------
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// label
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//---------------------------------------------------------
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static const char* label[] = {
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"", "1/4", "1/2", "3/4", "full",
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"1 1/4", "1 1/2", "1 3/4", "2",
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"2 1/4", "2 1/2", "2 3/4", "3"
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};
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static const ElementStyle bendStyle {
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{ Sid::bendFontSize, Pid::FONT_SIZE },
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{ Sid::bendFontStyle, Pid::FONT_STYLE },
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{ Sid::bendLineWidth, Pid::LINE_WIDTH },
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};
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//---------------------------------------------------------
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// Bend
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//---------------------------------------------------------
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Bend::Bend(Score* s)
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: Element(s, ElementFlag::MOVABLE)
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{
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initElementStyle(&bendStyle);
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}
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//---------------------------------------------------------
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// font
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//---------------------------------------------------------
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QFont Bend::font(qreal sp) const
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{
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QFont f(_fontFace);
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f.setBold(_fontStyle & FontStyle::Bold);
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f.setItalic(_fontStyle & FontStyle::Italic);
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f.setUnderline(_fontStyle & FontStyle::Underline);
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qreal m = _fontSize;
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m *= sp / SPATIUM20;
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f.setPointSizeF(m);
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return f;
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}
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//---------------------------------------------------------
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// layout
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//---------------------------------------------------------
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void Bend::layout()
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{
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// during mtest, there may be no score. If so, exit.
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if (!score())
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return;
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qreal _spatium = spatium();
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if (staff() && !staff()->isTabStaff(tick())) {
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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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}
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qreal _lw = _lineWidth;
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Note* note = toNote(parent());
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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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notePos = note->pos();
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noteWidth = note->width();
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}
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QRectF bb;
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QFontMetricsF fm(font(_spatium), MScore::paintDevice());
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int n = _points.size();
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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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qreal aw = _spatium * .5;
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QPolygonF arrowUp;
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arrowUp << QPointF(0, 0) << QPointF(aw*.5, aw) << QPointF(-aw*.5, aw);
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QPolygonF arrowDown;
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arrowDown << QPointF(0, 0) << QPointF(aw*.5, -aw) << QPointF(-aw*.5, -aw);
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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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if (pt == 0 && pitch) {
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y2 = -notePos.y() -_spatium * 2;
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x2 = x;
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bb |= QRectF(x, y, x2-x, y2-y);
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bb |= arrowUp.translated(x2, y2 + _spatium * .2).boundingRect();
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int idx = (pitch + 12)/25;
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const char* l = label[idx];
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bb |= fm.boundingRect(QRectF(x2, y2, 0, 0),
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Qt::AlignHCenter | Qt::AlignBottom | Qt::TextDontClip, QString(l));
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y = y2;
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}
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if (pitch == _points[pt+1].pitch) {
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if (pt == (n-2))
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break;
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x2 = x + _spatium;
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y2 = y;
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bb |= QRectF(x, y, x2-x, y2-y);
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}
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else if (pitch < _points[pt+1].pitch) {
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// up
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x2 = x + _spatium*.5;
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y2 = -notePos.y() -_spatium * 2;
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qreal dx = x2 - x;
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qreal dy = y2 - y;
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QPainterPath path;
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path.moveTo(x, y);
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path.cubicTo(x+dx/2, y, x2, y+dy/4, x2, y2);
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bb |= path.boundingRect();
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bb |= arrowUp.translated(x2, y2 + _spatium * .2).boundingRect();
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int idx = (_points[pt+1].pitch + 12)/25;
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const char* l = label[idx];
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QRectF r;
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bb |= fm.boundingRect(QRectF(x2, y2, 0, 0),
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Qt::AlignHCenter | Qt::AlignBottom | Qt::TextDontClip, QString(l));
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}
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else {
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// down
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x2 = x + _spatium*.5;
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y2 = y + _spatium * 3;
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qreal dx = x2 - x;
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qreal dy = y2 - y;
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QPainterPath path;
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path.moveTo(x, y);
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path.cubicTo(x+dx/2, y, x2, y+dy/4, x2, y2);
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bb |= path.boundingRect();
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bb |= arrowDown.translated(x2, y2 - _spatium * .2).boundingRect();
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}
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x = x2;
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y = y2;
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}
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bb.adjust(-_lw, -_lw, _lw, _lw);
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setbbox(bb);
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setPos(0.0, 0.0);
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}
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//---------------------------------------------------------
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// draw
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//---------------------------------------------------------
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void Bend::draw(QPainter* painter) const
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{
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qreal _spatium = spatium();
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qreal _lw = _lineWidth;
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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(curColor()));
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QFont f = font(_spatium * MScore::pixelRatio);
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painter->setFont(f);
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QFontMetrics fm(f, MScore::paintDevice());
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qreal x = noteWidth + _spatium * .2;
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qreal y = -_spatium * .8;
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qreal x2, y2;
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qreal aw = score()->styleP(Sid::bendArrowWidth);
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QPolygonF arrowUp;
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arrowUp << QPointF(0, 0) << QPointF(aw * .5, aw) << QPointF(-aw *.5, aw);
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QPolygonF arrowDown;
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arrowDown << QPointF(0, 0) << QPointF(aw * .5, -aw) << QPointF(-aw *.5, -aw);
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int n = _points.size();
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for (int pt = 0; pt < n-1; ++pt) {
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int pitch = _points[pt].pitch;
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if (pt == 0 && pitch) {
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y2 = -notePos.y() -_spatium * 2;
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x2 = x;
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painter->drawLine(QLineF(x, y, x2, y2));
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painter->setBrush(curColor());
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painter->drawPolygon(arrowUp.translated(x2, y2));
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int idx = (pitch + 12)/25;
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const char* l = label[idx];
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QString s(l);
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qreal textWidth = fm.width(s);
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qreal textHeight = fm.height();
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painter->drawText(QRectF(x2 - textWidth / 2, y2 - textHeight / 2, .0, .0), Qt::AlignVCenter|Qt::TextDontClip, s);
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y = y2;
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}
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if (pitch == _points[pt+1].pitch) {
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if (pt == (n-2))
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break;
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x2 = x + _spatium;
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y2 = y;
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painter->drawLine(QLineF(x, y, x2, y2));
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}
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else if (pitch < _points[pt+1].pitch) {
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// up
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x2 = x + _spatium*.5;
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y2 = -notePos.y() -_spatium * 2;
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qreal dx = x2 - x;
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qreal dy = y2 - y;
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QPainterPath path;
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path.moveTo(x, y);
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path.cubicTo(x+dx/2, y, x2, y+dy/4, x2, y2);
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painter->setBrush(Qt::NoBrush);
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painter->drawPath(path);
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painter->setBrush(curColor());
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painter->drawPolygon(arrowUp.translated(x2, y2 ));
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int idx = (_points[pt+1].pitch + 12)/25;
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const char* l = label[idx];
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qreal ty = y2; // - _spatium;
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painter->drawText(QRectF(x2, ty, .0, .0),
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Qt::AlignHCenter | Qt::AlignBottom | Qt::TextDontClip, QString(l));
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}
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else {
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// down
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x2 = x + _spatium*.5;
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y2 = y + _spatium * 3;
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qreal dx = x2 - x;
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qreal dy = y2 - y;
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QPainterPath path;
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path.moveTo(x, y);
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path.cubicTo(x+dx/2, y, x2, y+dy/4, x2, y2);
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painter->setBrush(Qt::NoBrush);
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painter->drawPath(path);
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painter->setBrush(curColor());
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painter->drawPolygon(arrowDown.translated(x2, y2));
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}
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x = x2;
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y = y2;
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}
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}
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//---------------------------------------------------------
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// write
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//---------------------------------------------------------
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void Bend::write(XmlWriter& xml) const
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{
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xml.stag(this);
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for (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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writeStyledProperties(xml);
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writeProperty(xml, Pid::PLAY);
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Element::writeProperties(xml);
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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 Bend::read(XmlReader& e)
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{
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while (e.readNextStartElement()) {
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const QStringRef& tag(e.name());
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if (readStyledProperty(e, tag))
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;
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else if (tag == "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 if (tag == "play")
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setPlayBend(e.readBool());
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else if (!Element::readProperties(e))
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e.unknown();
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}
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}
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//---------------------------------------------------------
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// getProperty
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//---------------------------------------------------------
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QVariant Bend::getProperty(Pid id) const
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{
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switch (id) {
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case Pid::FONT_FACE:
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return _fontFace;
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case Pid::FONT_SIZE:
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return _fontSize;
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case Pid::FONT_STYLE:
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return int(_fontStyle);
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case Pid::PLAY:
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return bool(playBend());
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case Pid::LINE_WIDTH:
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return _lineWidth;
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default:
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return Element::getProperty(id);
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}
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}
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//---------------------------------------------------------
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// setProperty
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//---------------------------------------------------------
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bool Bend::setProperty(Pid id, const QVariant& v)
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{
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switch (id) {
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case Pid::FONT_FACE:
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_fontFace = v.toString();
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break;
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case Pid::FONT_SIZE:
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_fontSize = v.toReal();
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break;
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case Pid::FONT_STYLE:
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_fontStyle = FontStyle(v.toInt());
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break;
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case Pid::PLAY:
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setPlayBend(v.toBool());
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break;
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case Pid::LINE_WIDTH:
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_lineWidth = v.toReal();
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break;
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default:
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return Element::setProperty(id, v);
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}
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triggerLayout();
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return true;
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}
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//---------------------------------------------------------
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// propertyDefault
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//---------------------------------------------------------
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QVariant Bend::propertyDefault(Pid id) const
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{
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switch (id) {
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case Pid::PLAY:
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return true;
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default:
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return Element::propertyDefault(id);
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}
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}
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}
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