MuseScore/libmscore/shadownote.cpp
2014-06-10 09:27:51 +02:00

109 lines
3.2 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 = SymId::noSym;
}
//---------------------------------------------------------
// draw
//---------------------------------------------------------
void ShadowNote::draw(QPainter* painter) const
{
if (!visible() || sym == SymId::noSym)
return;
QPointF ap(pagePos());
#if 0 // yet(?) unused
QRect r(abbox().toRect());
#endif
painter->translate(ap);
qreal lw = point(score()->styleS(StyleIdx::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].lighter(140), lw);
painter->setPen(pen);
drawSymbol(sym, painter);
qreal ms = spatium();
qreal x1 = symWidth(sym) * .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 == SymId::noSym) {
setbbox(QRectF());
return;
}
QRectF b(symBbox(sym));
qreal _spatium = spatium();
qreal lw = point(score()->styleS(StyleIdx::ledgerLineWidth));
qreal x1 = symWidth(sym) * .5 - (_spatium * mag()) - lw * .5;
qreal x2 = x1 + 2 * _spatium * mag() + lw * .5;
InputState ps = score()->inputState();
QRectF r(x1, -lw * .5, x2 - x1, lw);
if (_line < 100 && _line > -100 && !ps.rest()) {
for (int i = -2; i >= _line; i -= 2)
b |= r.translated(QPointF(0, _spatium * .5 * (i - _line)));
for (int i = 10; i <= _line; i += 2)
b |= r.translated(QPointF(0, _spatium * .5 * (i - _line)));
}
setbbox(b);
}
}