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//=============================================================================
// MuseScore
// Music Composition & Notation
//
// Copyright (C) 2010-2011 Werner Schweer
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2
// as published by the Free Software Foundation and appearing in
// the file LICENCE.GPL
//=============================================================================
#include "bend.h"
#include "score.h"
#include "undo.h"
#include "staff.h"
#include "chord.h"
#include "note.h"
#include "xml.h"
namespace Ms {
//---------------------------------------------------------
// label
//---------------------------------------------------------
static const char* label[] = {
"", "1/4", "1/2", "3/4", "full",
"1 1/4", "1 1/2", "1 3/4", "2",
"2 1/4", "2 1/2", "2 3/4", "3"
};
static const ElementStyle bendStyle {
{ Sid::bendFontSize, Pid::FONT_SIZE },
{ Sid::bendFontStyle, Pid::FONT_STYLE },
{ Sid::bendLineWidth, Pid::LINE_WIDTH },
};
//---------------------------------------------------------
// Bend
//---------------------------------------------------------
Bend::Bend(Score* s)
: Element(s, ElementFlag::MOVABLE)
{
initElementStyle(&bendStyle);
}
//---------------------------------------------------------
// font
//---------------------------------------------------------
QFont Bend::font(qreal sp) const
{
QFont f(_fontFace);
f.setBold(_fontStyle & FontStyle::Bold);
f.setItalic(_fontStyle & FontStyle::Italic);
f.setUnderline(_fontStyle & FontStyle::Underline);
qreal m = _fontSize;
m *= sp / SPATIUM20;
f.setPointSizeF(m);
return f;
}
//---------------------------------------------------------
// layout
//---------------------------------------------------------
void Bend::layout()
{
// during mtest, there may be no score. If so, exit.
if (!score())
return;
qreal _spatium = spatium();
if (staff() && !staff()->isTabStaff(tick())) {
if (!parent()) {
noteWidth = -_spatium*2;
notePos = QPointF(0.0, _spatium*3);
}
}
qreal _lw = _lineWidth;
Note* note = toNote(parent());
if (note == 0) {
noteWidth = 0.0;
notePos = QPointF();
}
else {
notePos = note->pos();
noteWidth = note->width();
}
QRectF bb;
QFontMetricsF fm(font(_spatium), MScore::paintDevice());
int n = _points.size();
qreal x = noteWidth;
qreal y = -_spatium * .8;
qreal x2, y2;
qreal aw = _spatium * .5;
QPolygonF arrowUp;
arrowUp << QPointF(0, 0) << QPointF(aw*.5, aw) << QPointF(-aw*.5, aw);
QPolygonF arrowDown;
arrowDown << QPointF(0, 0) << QPointF(aw*.5, -aw) << QPointF(-aw*.5, -aw);
for (int pt = 0; pt < n; ++pt) {
if (pt == (n-1))
break;
int pitch = _points[pt].pitch;
if (pt == 0 && pitch) {
y2 = -notePos.y() -_spatium * 2;
x2 = x;
bb |= QRectF(x, y, x2-x, y2-y);
bb |= arrowUp.translated(x2, y2 + _spatium * .2).boundingRect();
int idx = (pitch + 12)/25;
const char* l = label[idx];
bb |= fm.boundingRect(QRectF(x2, y2, 0, 0),
Qt::AlignHCenter | Qt::AlignBottom | Qt::TextDontClip, QString(l));
y = y2;
}
if (pitch == _points[pt+1].pitch) {
if (pt == (n-2))
break;
x2 = x + _spatium;
y2 = y;
bb |= QRectF(x, y, x2-x, y2-y);
}
else if (pitch < _points[pt+1].pitch) {
// up
x2 = x + _spatium*.5;
y2 = -notePos.y() -_spatium * 2;
qreal dx = x2 - x;
qreal dy = y2 - y;
QPainterPath path;
path.moveTo(x, y);
path.cubicTo(x+dx/2, y, x2, y+dy/4, x2, y2);
bb |= path.boundingRect();
bb |= arrowUp.translated(x2, y2 + _spatium * .2).boundingRect();
int idx = (_points[pt+1].pitch + 12)/25;
const char* l = label[idx];
QRectF r;
bb |= fm.boundingRect(QRectF(x2, y2, 0, 0),
Qt::AlignHCenter | Qt::AlignBottom | Qt::TextDontClip, QString(l));
}
else {
// down
x2 = x + _spatium*.5;
y2 = y + _spatium * 3;
qreal dx = x2 - x;
qreal dy = y2 - y;
QPainterPath path;
path.moveTo(x, y);
path.cubicTo(x+dx/2, y, x2, y+dy/4, x2, y2);
bb |= path.boundingRect();
bb |= arrowDown.translated(x2, y2 - _spatium * .2).boundingRect();
}
x = x2;
y = y2;
}
bb.adjust(-_lw, -_lw, _lw, _lw);
setbbox(bb);
setPos(0.0, 0.0);
}
//---------------------------------------------------------
// draw
//---------------------------------------------------------
void Bend::draw(QPainter* painter) const
{
qreal _spatium = spatium();
qreal _lw = _lineWidth;
QPen pen(curColor(), _lw, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin);
painter->setPen(pen);
painter->setBrush(QBrush(curColor()));
QFont f = font(_spatium * MScore::pixelRatio);
painter->setFont(f);
QFontMetrics fm(f, MScore::paintDevice());
qreal x = noteWidth + _spatium * .2;
qreal y = -_spatium * .8;
qreal x2, y2;
qreal aw = score()->styleP(Sid::bendArrowWidth);
QPolygonF arrowUp;
arrowUp << QPointF(0, 0) << QPointF(aw * .5, aw) << QPointF(-aw *.5, aw);
QPolygonF arrowDown;
arrowDown << QPointF(0, 0) << QPointF(aw * .5, -aw) << QPointF(-aw *.5, -aw);
int n = _points.size();
for (int pt = 0; pt < n-1; ++pt) {
int pitch = _points[pt].pitch;
if (pt == 0 && pitch) {
y2 = -notePos.y() -_spatium * 2;
x2 = x;
painter->drawLine(QLineF(x, y, x2, y2));
painter->setBrush(curColor());
painter->drawPolygon(arrowUp.translated(x2, y2));
int idx = (pitch + 12)/25;
const char* l = label[idx];
QString s(l);
qreal textWidth = fm.width(s);
qreal textHeight = fm.height();
painter->drawText(QRectF(x2 - textWidth / 2, y2 - textHeight / 2, .0, .0), Qt::AlignVCenter|Qt::TextDontClip, s);
y = y2;
}
if (pitch == _points[pt+1].pitch) {
if (pt == (n-2))
break;
x2 = x + _spatium;
y2 = y;
painter->drawLine(QLineF(x, y, x2, y2));
}
else if (pitch < _points[pt+1].pitch) {
// up
x2 = x + _spatium*.5;
y2 = -notePos.y() -_spatium * 2;
qreal dx = x2 - x;
qreal dy = y2 - y;
QPainterPath path;
path.moveTo(x, y);
path.cubicTo(x+dx/2, y, x2, y+dy/4, x2, y2);
painter->setBrush(Qt::NoBrush);
painter->drawPath(path);
painter->setBrush(curColor());
painter->drawPolygon(arrowUp.translated(x2, y2 ));
int idx = (_points[pt+1].pitch + 12)/25;
const char* l = label[idx];
qreal ty = y2; // - _spatium;
painter->drawText(QRectF(x2, ty, .0, .0),
Qt::AlignHCenter | Qt::AlignBottom | Qt::TextDontClip, QString(l));
}
else {
// down
x2 = x + _spatium*.5;
y2 = y + _spatium * 3;
qreal dx = x2 - x;
qreal dy = y2 - y;
QPainterPath path;
path.moveTo(x, y);
path.cubicTo(x+dx/2, y, x2, y+dy/4, x2, y2);
painter->setBrush(Qt::NoBrush);
painter->drawPath(path);
painter->setBrush(curColor());
painter->drawPolygon(arrowDown.translated(x2, y2));
}
x = x2;
y = y2;
}
}
//---------------------------------------------------------
// write
//---------------------------------------------------------
void Bend::write(XmlWriter& xml) const
{
xml.stag(this);
for (const PitchValue& v : _points) {
xml.tagE(QString("point time=\"%1\" pitch=\"%2\" vibrato=\"%3\"")
.arg(v.time).arg(v.pitch).arg(v.vibrato));
}
writeStyledProperties(xml);
writeProperty(xml, Pid::PLAY);
Element::writeProperties(xml);
xml.etag();
}
//---------------------------------------------------------
// read
//---------------------------------------------------------
void Bend::read(XmlReader& e)
{
while (e.readNextStartElement()) {
const QStringRef& tag(e.name());
if (readStyledProperty(e, tag))
;
else if (tag == "point") {
PitchValue pv;
pv.time = e.intAttribute("time");
pv.pitch = e.intAttribute("pitch");
pv.vibrato = e.intAttribute("vibrato");
_points.append(pv);
e.readNext();
}
else if (tag == "play")
setPlayBend(e.readBool());
else if (!Element::readProperties(e))
e.unknown();
}
}
//---------------------------------------------------------
// getProperty
//---------------------------------------------------------
QVariant Bend::getProperty(Pid id) const
{
switch (id) {
case Pid::FONT_FACE:
return _fontFace;
case Pid::FONT_SIZE:
return _fontSize;
case Pid::FONT_STYLE:
return int(_fontStyle);
case Pid::PLAY:
return bool(playBend());
case Pid::LINE_WIDTH:
return _lineWidth;
default:
return Element::getProperty(id);
}
}
//---------------------------------------------------------
// setProperty
//---------------------------------------------------------
bool Bend::setProperty(Pid id, const QVariant& v)
{
switch (id) {
case Pid::FONT_FACE:
_fontFace = v.toString();
break;
case Pid::FONT_SIZE:
_fontSize = v.toReal();
break;
case Pid::FONT_STYLE:
_fontStyle = FontStyle(v.toInt());
break;
case Pid::PLAY:
setPlayBend(v.toBool());
break;
case Pid::LINE_WIDTH:
_lineWidth = v.toReal();
break;
default:
return Element::setProperty(id, v);
}
triggerLayout();
return true;
}
//---------------------------------------------------------
// propertyDefault
//---------------------------------------------------------
QVariant Bend::propertyDefault(Pid id) const
{
switch (id) {
case Pid::PLAY:
return true;
default:
return Element::propertyDefault(id);
}
}
}
|
