MuseScore/libmscore/shadownote.cpp

246 lines
8.5 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 "rest.h"
#include "mscore.h"
namespace Ms {
//---------------------------------------------------------
// ShadowNote
//---------------------------------------------------------
ShadowNote::ShadowNote(Score* s)
: Element(s), _notehead(SymId::noSym)
{
_line = 1000;
_duration = TDuration(TDuration::DurationType::V_INVALID);
_voice = 0;
_rest = false;
}
bool ShadowNote::isValid() const
{
return _notehead != SymId::noSym;
}
void ShadowNote::setState(SymId noteSymbol, int voice, TDuration duration, bool rest)
{
// clear symbols
_notehead = SymId::noSym;
_notehead = noteSymbol;
_duration = duration;
_voice = voice;
_rest = rest;
}
SymId ShadowNote::getNoteFlag() const
{
SymId flag = SymId::noSym;
if (_rest)
return flag;
TDuration::DurationType type = _duration.type();
switch(type) {
case TDuration::DurationType::V_LONG:
flag = SymId::lastSym;
break;
case TDuration::DurationType::V_BREVE:
flag = SymId::noSym;
break;
case TDuration::DurationType::V_WHOLE:
flag = SymId::noSym;
break;
case TDuration::DurationType::V_HALF:
flag = SymId::lastSym;
break;
case TDuration::DurationType::V_QUARTER:
flag = SymId::lastSym;
break;
case TDuration::DurationType::V_EIGHTH:
flag = computeUp() ? SymId::flag8thUp : SymId::flag8thDown;
break;
case TDuration::DurationType::V_16TH:
flag = computeUp() ? SymId::flag16thUp : SymId::flag16thDown;
break;
case TDuration::DurationType::V_32ND:
flag = computeUp() ? SymId::flag32ndUp : SymId::flag32ndDown;
break;
case TDuration::DurationType::V_64TH:
flag = computeUp() ? SymId::flag64thUp : SymId::flag64thDown;
break;
case TDuration::DurationType::V_128TH:
flag = computeUp() ? SymId::flag128thUp : SymId::flag128thDown;
break;
default:
flag = SymId::noSym;
}
return flag;
}
bool ShadowNote::computeUp() const
{
if (_voice % VOICES == 0)
return _line > 4;
else
return _voice % VOICES == 2;
}
//---------------------------------------------------------
// draw
//---------------------------------------------------------
void ShadowNote::draw(QPainter* painter) const
{
if (!visible() || !isValid())
return;
QPointF ap(pagePos());
painter->translate(ap);
qreal lw = score()->styleP(Sid::stemWidth);
QPen pen(MScore::selectColor[_voice].lighter(SHADOW_NOTE_LIGHT), lw, Qt::SolidLine, Qt::RoundCap);
painter->setPen(pen);
drawSymbol(_notehead, painter);
// draw the dots
qreal noteheadWidth = symWidth(_notehead);
QPointF posDot;
if (_duration.dots() > 0) {
qreal d = score()->styleP(Sid::dotNoteDistance) * mag();
qreal dd = score()->styleP(Sid::dotDotDistance) * mag();
posDot.rx() += (noteheadWidth + d);
if (!_rest)
posDot.ry() -= (_line % 2 == 0 ? 0.5 * spatium() : 0);
else
posDot.ry() += Rest::getDotline(_duration.type()) * spatium() * mag() * .5;
for (int i = 0; i < _duration.dots(); i++) {
posDot.rx() += dd * i;
drawSymbol(SymId::augmentationDot, painter, posDot, 1);
posDot.rx() -= dd * i;
}
}
// stem and flag
SymId flag = getNoteFlag();
int up = computeUp() ? 1 : -1;
if (flag != SymId::noSym) {
QPointF pos;
pos.rx() = up == 1 ? (noteheadWidth - (lw / 2)) : lw / 2;
qreal yOffset = up == 1 ? symStemUpSE(_notehead).y() * magS() : symStemDownNW(_notehead).y() * magS();
if(flag != SymId::lastSym) {
pos.ry() -= up * (symHeight(flag) + (posDot.y() != 0 ? posDot.y() + spatium() : 0) + 0.5*spatium());
painter->drawLine(QLineF(pos.x(), yOffset, pos.x(), pos.y() - up * (yOffset + lw/2)));
pos.rx() -= (lw / 2); // flag offset?
drawSymbol(flag, painter, pos, 1);
}
else {
painter->drawLine(QLineF(pos.x(), yOffset, pos.x(), -3 * up * spatium() * mag() + yOffset));
}
}
qreal ms = spatium();
qreal x1 = noteheadWidth * .5 - (ms * mag());
qreal x2 = x1 + 2 * ms * mag();
ms *= .5;
lw = score()->styleP(Sid::ledgerLineWidth);
QPen penL(MScore::selectColor[_voice].lighter(SHADOW_NOTE_LIGHT), lw);
painter->setPen(penL);
if (_line < 100 && _line > -100 && !_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 (!isValid()) {
setbbox(QRectF());
return;
}
qreal _spatium = spatium();
QRectF b;
QRectF noteheadBbox = symBbox(_notehead);
SymId flag = getNoteFlag();
qreal height = noteheadBbox.height();
qreal dotWidth = 0;
if (_duration.dots() > 0) {
qreal noteheadWidth = symWidth(_notehead);
qreal d = score()->styleP(Sid::dotNoteDistance) * mag();
qreal dd = score()->styleP(Sid::dotDotDistance) * mag();
dotWidth += (noteheadWidth + d);
for (int i = 0; i < _duration.dots(); i++)
dotWidth += dd * i;
height += (_line % 2 == 0 && !_rest ? 0.5 * spatium() : 0); // move flag up
}
if(flag == SymId::noSym) {
b.setRect(noteheadBbox.x(), noteheadBbox.y(), noteheadBbox.width() + dotWidth, noteheadBbox.height());
}
else {
qreal x = noteheadBbox.x();
qreal width = noteheadBbox.width();
qreal flagWidth = 0;
int up = computeUp() ? 1 : 0;
qreal y = up ? 0 : -height;
if (flag != SymId::lastSym) {
QRectF flagBbox = symBbox(flag);
qreal lw = score()->styleP(Sid::stemWidth) * mag();
qreal h = flagBbox.height() + lw / 2 + spatium() * mag();
y -= h * up;
height += h;
flagWidth = flagBbox.width();
}
else {
qreal sh = 4 * spatium() * mag();
y -= up * sh;
height += sh;
}
width += qMax(flagWidth, dotWidth);
b.setRect(x, y, width, height);
}
qreal lw = score()->styleP(Sid::ledgerLineWidth);
qreal x1 = (noteheadBbox.width()) * .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);
}
}