MuseScore/libmscore/shadownote.cpp
2013-06-05 20:20:19 +02:00

104 lines
3 KiB
C++

//=============================================================================
// 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 "shadownote.h"
#include "score.h"
#include "drumset.h"
#include "sym.h"
#include "mscore.h"
namespace Ms {
//---------------------------------------------------------
// ShadowNote
//---------------------------------------------------------
ShadowNote::ShadowNote(Score* s)
: Element(s)
{
_line = 1000;
sym = 0;
}
//---------------------------------------------------------
// draw
//---------------------------------------------------------
void ShadowNote::draw(QPainter* painter) const
{
if (!visible() || sym == 0)
return;
QPointF ap(pagePos());
QRect r(abbox().toRect());
painter->translate(ap);
qreal lw = point(score()->styleS(ST_ledgerLineWidth));
InputState ps = score()->inputState();
int voice;
if (ps.drumNote() != -1 && ps.drumset() && ps.drumset()->isValid(ps.drumNote()))
voice = ps.drumset()->voice(ps.drumNote());
else
voice = ps.voice();
QPen pen(MScore::selectColor[voice].light(140), lw);
painter->setPen(pen);
sym->draw(painter, magS());
qreal ms = spatium();
qreal x1 = sym->width(magS())*.5 - (ms * mag());
qreal x2 = x1 + 2 * ms * mag();
ms *= .5;
if (_line < 100 && _line > -100 && !ps.rest) {
for (int i = -2; i >= _line; i -= 2) {
qreal y = ms * mag() * (i - _line);
painter->drawLine(QLineF(x1, y, x2, y));
}
for (int i = 10; i <= _line; i += 2) {
qreal y = ms * mag() * (i - _line);
painter->drawLine(QLineF(x1, y, x2, y));
}
}
painter->translate(-ap);
}
//---------------------------------------------------------
// layout
//---------------------------------------------------------
void ShadowNote::layout()
{
if (sym == 0) {
setbbox(QRectF());
return;
}
QRectF b = sym->bbox(magS());
qreal _spatium = spatium();
qreal x = b.width()/2 - _spatium;
qreal lw = point(score()->styleS(ST_ledgerLineWidth));
if (_line < 100 && _line > -100) {
QRectF r(0, -lw/2.0, 2 * _spatium, lw);
for (int i = -2; i >= _line; i -= 2)
b |= r.translated(QPointF(x, _spatium * .5 * (i - _line)));
for (int i = 10; i <= _line; i += 2)
b |= r.translated(QPointF(x, _spatium * .5 * (i - _line)));
}
setbbox(b);
}
}