void Tremolo::draw(QPainter* painter) const
{
painter->setBrush(QBrush(curColor()));
painter->setPen(Qt::NoPen);
painter->drawPath(path);
if ((parent() == 0) && !twoNotes()) {
qreal x = 0.0; // bbox().width() * .25;
QPen pen(curColor(), point(score()->styleS(ST_stemWidth)));
painter->setPen(pen);
qreal _spatium = spatium();
painter->drawLine(QLineF(x, -_spatium*.5, x, path.boundingRect().height() + _spatium));
}
}
void Tremolo::draw(QPainter* painter) const
{
if (tremoloType() == TremoloType::BUZZ_ROLL) {
painter->setPen(curColor());
drawSymbol(SymId::buzzRoll, painter);
}
else {
painter->setBrush(QBrush(curColor()));
painter->setPen(Qt::NoPen);
painter->drawPath(path);
}
if ((parent() == 0) && !twoNotes()) {
qreal x = 0.0; // bbox().width() * .25;
QPen pen(curColor(), point(score()->styleS(Sid::stemWidth)));
painter->setPen(pen);
qreal _spatium = spatium() * mag();
painter->drawLine(QLineF(x, -_spatium*.5, x, path.boundingRect().height() + _spatium));
}
}
void Tremolo::layout()
{
qreal _spatium = spatium();
qreal w2 = _spatium * score()->styleS(ST_tremoloWidth).val() * .5;
qreal h2 = _spatium * score()->styleS(ST_tremoloBoxHeight).val() * .5;
qreal lw = _spatium * score()->styleS(ST_tremoloStrokeWidth).val();
qreal td = _spatium * score()->styleS(ST_tremoloDistance).val();
path = QPainterPath();
qreal ty = 0.0;
for (int i = 0; i < _lines; ++i) {
path.moveTo(-w2, ty + h2 - lw);
path.lineTo( w2, ty - h2);
path.lineTo( w2, ty - h2 + lw);
path.lineTo(-w2, ty + h2);
path.closeSubpath();
ty += td;
}
QRectF rect = path.boundingRect();
if ((parent() == 0) && !twoNotes())
rect.setHeight(rect.height() + _spatium);
setbbox(rect);
_chord1 = static_cast<Chord*>(parent());
if (_chord1 == 0)
return;
Note* anchor1 = _chord1->upNote();
Stem* stem = _chord1->stem();
qreal x, y, h;
if (stem) {
x = stem->pos().x();
y = stem->pos().y();
h = stem->stemLen();
}
else {
// center tremolo above note
x = anchor1->x() + anchor1->headWidth() * .5;
y = anchor1->y();
h = 2.0 * _spatium + bbox().height();
if (anchor1->line() > 4)
h *= -1;
}
if (!twoNotes()) {
//
// single note tremolos
//
bool up = _chord1->up();
int line = up ? _chord1->upLine() : _chord1->downLine();
static const qreal t[3][2][4][2] = {
// normal stem
{
// DOWN
{
// even line odd line
{ 6, 5 }, // line 1
{ 6 - 2 * .8, 5 - 2 * .8 }, // line 2
{ 6 - 4 * .8, 3 }, // line 3
{ 2 , 3 } // line 4
},
// UP
{
// even line odd line
{ -6, -5 }, // line 1
{ -6, -5 }, // line 2
{ -6, -3 - 4 * .8 }, // line 3
{ -2 - 6 * .8, -3 - 6 * .8 } // line 4
}
},
// stem with hook
{
// DOWN
{
// even line odd line
{ 3, 3 }, // line 1
{ 2, 2 }, // line 2
{ 2, 2 }, // line 3
{ 2, 2 } // line 4
},
// UP
{
// even line odd line
{ -3, -3 }, // line 1
{ -2 - 2 * .8, -2 - 2 * .8 }, // line 2
{ -2 - 4 * .8, -2 - 4 * .8 }, // line 3
{ -2 - 6 * .8, -2 - 6 * .8 } // line 4
}
},
// stem with beam
{
// DOWN
{
// even line odd line
{ 3, 3 }, // line 1
{ 2, 2 }, // line 2
{ 2, 2 }, // line 3
{ 2, 2 } // line 4
},
// UP
{
// even line odd line
{ -3, -3 }, // line 1
{ -2 - 2 * .8, -2 - 2 * .8 }, // line 2
{ -2 - 4 * .8, -2 - 4 * .8 }, // line 3
{ -2 - 6 * .8, -2 - 6 * .8 } // line 4
}
},
};
int idx = _chord1->hook() ? 1 : (_chord1->beam() ? 2 : 0);
y = (line + t[idx][up][_lines-1][line & 1]) * _spatium * .5;
setPos(x, y);
return;
}
y += (h - bbox().height()) * .5;
//
// two chord tremolo
//
Segment* s = _chord1->segment()->next();
while (s) {
if (s->element(track()) && (s->element(track())->type() == CHORD))
break;
s = s->next();
}
if (s == 0) {
qDebug("no second note of tremolo found");
return;
}
_chord2 = static_cast<Chord*>(s->element(track()));
_chord2->setTremolo(this);
int x2 = _chord2->stemPosBeam().x();
int x1 = _chord1->stemPosBeam().x();
// qreal x2 = _chord2->_chord2->up()stemPos(_chord2->up(), true).x();
// qreal x1 = _chord1->stemPos(_chord1->up(), true).x();
x = x1 - _chord1->pagePos().x() + (x2 - x1 + _chord1->upNote()->headWidth()) * .5;
setPos(x, y);
}
void Tremolo::layout()
{
qreal _spatium = spatium() * mag();
qreal w2 = _spatium * score()->styleS(StyleIdx::tremoloWidth).val() * .5;
qreal lw = _spatium * score()->styleS(StyleIdx::tremoloStrokeWidth).val();
qreal td = _spatium * score()->styleS(StyleIdx::tremoloDistance).val();
path = QPainterPath();
qreal ty = 0.0;
for (int i = 0; i < _lines; i++) {
path.addRect(-w2, ty, 2.0 * w2, lw);
ty += td;
}
// QRectF rect = path.boundingRect();
// if ((parent() == 0) && !twoNotes())
// rect.setHeight(rect.height() + _spatium);
_chord1 = static_cast<Chord*>(parent());
if (_chord1 == 0) {
// just for the palette
QTransform shearTransform;
shearTransform.shear(0.0, -(lw / 2.0) / w2);
path = shearTransform.map(path);
setbbox(path.boundingRect());
addbbox(QRectF(bbox().x(), bbox().bottom(), bbox().width(), _spatium));
return;
}
Note* anchor1 = _chord1->upNote();
Stem* stem = _chord1->stem();
qreal x, y, h;
if (stem) {
x = stem->pos().x();
y = stem->pos().y();
h = stem->stemLen();
}
else {
// center tremolo above note
x = anchor1->x() + anchor1->headWidth() * .5;
y = anchor1->y();
h = 2.0 * _spatium + bbox().height();
if (anchor1->line() > 4)
h *= -1;
}
if (!twoNotes()) {
//
// single note tremolos
//
bool up = _chord1->up();
int line = up ? _chord1->upLine() : _chord1->downLine();
static const qreal t[3][2][4][2] = {
// normal stem
{
// DOWN
{
// even line odd line
{ 6, 5 }, // line 1
{ 6 - 2 * .8, 5 - 2 * .8 }, // line 2
{ 6 - 4 * .8, 3 }, // line 3
{ 2 , 3 } // line 4
},
// UP
{
// even line odd line
{ -6, -5 }, // line 1
{ -6, -5 }, // line 2
{ -6, -3 - 4 * .8 }, // line 3
{ -2 - 6 * .8, -3 - 6 * .8 } // line 4
}
},
// stem with hook
{
// DOWN
{
// even line odd line
{ 3, 3 }, // line 1
{ 2, 2 }, // line 2
{ 2, 2 }, // line 3
{ 2, 2 } // line 4
},
// UP
{
// even line odd line
{ -3, -3 }, // line 1
{ -2 - 2 * .8, -2 - 2 * .8 }, // line 2
{ -2 - 4 * .8, -2 - 4 * .8 }, // line 3
{ -2 - 6 * .8, -2 - 6 * .8 } // line 4
}
},
// stem with beam
{
// DOWN
{
// even line odd line
{ 3, 3 }, // line 1
{ 2, 2 }, // line 2
{ 2, 2 }, // line 3
{ 2, 2 } // line 4
},
// UP
{
// even line odd line
{ -3, -3 }, // line 1
{ -2 - 2 * .8, -2 - 2 * .8 }, // line 2
{ -2 - 4 * .8, -2 - 4 * .8 }, // line 3
{ -2 - 6 * .8, -2 - 6 * .8 } // line 4
}
},
};
int idx = _chord1->hook() ? 1 : (_chord1->beam() ? 2 : 0);
y = (line + t[idx][up][_lines-1][line & 1]) * spatium() * .5;
QTransform shearTransform;
shearTransform.shear(0.0, -(lw / 2.0) / w2);
path = shearTransform.map(path);
setbbox(path.boundingRect());
setPos(x, y);
adjustReadPos();
return;
}
y += (h - bbox().height()) * .5;
//
// two chord tremolo
//
Segment* s = _chord1->segment()->next();
while (s) {
if (s->element(track()) && (s->element(track())->type() == Element::Type::CHORD))
break;
s = s->next();
}
if (s == 0) {
qDebug("no second note of tremolo found");
return;
}
_chord2 = static_cast<Chord*>(s->element(track()));
_chord2->setTremolo(this);
Stem* stem1 = _chord1->stem();
Stem* stem2 = _chord2->stem();
// compute the y coordinates of the tips of the stems
qreal y1, y2;
qreal firstChordStaffY;
if (stem2 && stem1) {
// stemPageYOffset variable is used for the case when the first
// chord is cross-staff
firstChordStaffY = stem1->pagePos().y() - stem1->y(); // y coordinate of the staff of the first chord
y1 = stem1->y() + stem1->p2().y();
y2 = stem2->pagePos().y() - firstChordStaffY + stem2->p2().y(); // ->p2().y() is better than ->stemLen()
}
else {
firstChordStaffY = _chord1->pagePos().y() - _chord1->y(); // y coordinate of the staff of the first chord
y1 = _chord1->stemPosBeam().y() - firstChordStaffY + _chord1->defaultStemLength();
y2 = _chord2->stemPosBeam().y() - firstChordStaffY + _chord2->defaultStemLength();
}
// improve the case when one stem is up and another is down
if (_chord1->beams() == 0 && _chord2->beams() == 0 &&
_chord1->up() != _chord2->up()) {
qreal meanNote1Y = .5 * (_chord1->upNote()->pagePos().y() - firstChordStaffY + _chord1->downNote()->pagePos().y() - firstChordStaffY);
qreal meanNote2Y = .5 * (_chord2->upNote()->pagePos().y() - firstChordStaffY + _chord2->downNote()->pagePos().y() - firstChordStaffY);
y1 = .5 * (y1 + meanNote1Y);
y2 = .5 * (y2 + meanNote2Y);
}
y = (y1 + y2) * .5;
if (!_chord1->up()) {
y -= path.boundingRect().height() * .5;
}
if (!_chord2->up()) {
y -= path.boundingRect().height() * .5;
}
// compute the x coordinates of the inner edge of the stems
qreal x2 = _chord2->stemPosBeam().x();
if (_chord2->up() && stem2)
x2 -= stem2->lineWidth();
qreal x1 = _chord1->stemPosBeam().x();
if (!_chord1->up() && stem1)
x1 += stem1->lineWidth();
x = (x1 + x2) * .5 - _chord1->pagePos().x();
QTransform xScaleTransform;
// TODO const qreal H_MULTIPLIER = score()->styleS(StyleIdx::tremoloBeamLengthMultiplier).val();
const qreal H_MULTIPLIER = 0.62;
// TODO const qreal MAX_H_LENGTH = _spatium * score()->styleS(StyleIdx::tremoloBeamLengthMultiplier).val();
const qreal MAX_H_LENGTH = _spatium * 12.0;
qreal xScaleFactor = qMin(H_MULTIPLIER * (x2 - x1), MAX_H_LENGTH);
xScaleFactor /= (2.0 * w2);
xScaleTransform.scale(xScaleFactor, 1.0);
path = xScaleTransform.map(path);
qreal beamYOffset = 0.0;
if (_chord1->beams() == _chord2->beams() && _chord1->beam()) {
int beams = _chord1->beams();
qreal beamHalfLineWidth = point(score()->styleS(StyleIdx::beamWidth)) * .5 * mag();
beamYOffset = beams * _chord1->beam()->beamDist() - beamHalfLineWidth;
if (_chord1->up() != _chord2->up()) { // cross-staff
beamYOffset += beamYOffset + beamHalfLineWidth;
}
else if (!_chord1->up() && !_chord2->up()) {
beamYOffset = -beamYOffset;
}
}
QTransform shearTransform;
if (_chord1->beams() == 0 && _chord2->beams() == 0) {
if (_chord1->up() && !_chord2->up())
shearTransform.shear(0.0, (y2 - y1 - path.boundingRect().height()) / (x2 - x1));
else if (!_chord1->up() && _chord2->up())
shearTransform.shear(0.0, (y2 - y1 + path.boundingRect().height()) / (x2 - x1));
else
shearTransform.shear(0.0, (y2 - y1) / (x2 - x1));
}
else {
shearTransform.shear(0.0, (y2 - y1) / (x2 - x1));
}
path = shearTransform.map(path);
setbbox(path.boundingRect());
setPos(x, y + beamYOffset);
adjustReadPos();
}
