130 lines
3.7 KiB
C++
130 lines
3.7 KiB
C++
//=============================================================================
|
|
// MuseScore
|
|
// Music Composition & Notation
|
|
//
|
|
// Copyright (C) 2013 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 "ledgerline.h"
|
|
#include "chord.h"
|
|
#include "measure.h"
|
|
#include "staff.h"
|
|
#include "system.h"
|
|
#include "score.h"
|
|
#include "xml.h"
|
|
|
|
namespace Ms {
|
|
|
|
//---------------------------------------------------------
|
|
// LedgerLine
|
|
//---------------------------------------------------------
|
|
|
|
LedgerLine::LedgerLine(Score* s)
|
|
: Element(s)
|
|
{
|
|
setSelectable(false);
|
|
_next = 0;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// pagePos
|
|
//---------------------------------------------------------
|
|
|
|
QPointF LedgerLine::pagePos() const
|
|
{
|
|
System* system = chord()->measure()->system();
|
|
qreal yp = y() + system->staff(staffIdx())->y() + system->y();
|
|
return QPointF(pageX(), yp);
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// measureXPos
|
|
//---------------------------------------------------------
|
|
|
|
qreal LedgerLine::measureXPos() const
|
|
{
|
|
qreal xp = x(); // chord relative
|
|
xp += chord()->x(); // segment relative
|
|
xp += chord()->segment()->x(); // measure relative
|
|
return xp;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// layout
|
|
//---------------------------------------------------------
|
|
|
|
void LedgerLine::layout()
|
|
{
|
|
setLineWidth(score()->styleP(Sid::ledgerLineWidth) * chord()->mag());
|
|
if (staff())
|
|
setColor(staff()->color());
|
|
qreal w2 = _width * .5;
|
|
if (vertical)
|
|
bbox().setRect(-w2, -w2, _width, _len + _width);
|
|
else
|
|
bbox().setRect(-w2, -w2, _len + _width, _width);
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// draw
|
|
//---------------------------------------------------------
|
|
|
|
void LedgerLine::draw(QPainter* painter) const
|
|
{
|
|
if (chord()->crossMeasure() == CrossMeasure::SECOND)
|
|
return;
|
|
painter->setPen(QPen(curColor(), _width));
|
|
if (vertical)
|
|
painter->drawLine(QLineF(0.0, 0.0, 0.0, _len));
|
|
else
|
|
painter->drawLine(QLineF(0.0, 0.0, _len, 0.0));
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// spatiumChanged
|
|
//---------------------------------------------------------
|
|
|
|
void LedgerLine::spatiumChanged(qreal oldValue, qreal newValue)
|
|
{
|
|
_width = (_width / oldValue) * newValue;
|
|
_len = (_len / oldValue) * newValue;
|
|
layout();
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// writeProperties
|
|
//---------------------------------------------------------
|
|
|
|
void LedgerLine::writeProperties(XmlWriter& xml) const
|
|
{
|
|
xml.tag("lineWidth", _width / spatium());
|
|
xml.tag("lineLen", _len / spatium());
|
|
if (!vertical)
|
|
xml.tag("vertical", vertical);
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// readProperties
|
|
//---------------------------------------------------------
|
|
|
|
bool LedgerLine::readProperties(XmlReader& e)
|
|
{
|
|
const QStringRef& tag(e.name());
|
|
|
|
if (tag == "lineWidth")
|
|
_width = e.readDouble() * spatium();
|
|
else if (tag == "lineLen")
|
|
_len = e.readDouble() * spatium();
|
|
else if (tag == "vertical")
|
|
vertical = e.readInt();
|
|
else
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
}
|