void Image::layout()
{
qreal f = _sizeIsSpatium ? spatium() : MScore::DPMM;
// if autoscale && inside a box, scale to box relevant size
if (autoScale() && parent() && ((parent()->type() == HBOX || parent()->type() == VBOX))) {
if (_lockAspectRatio) {
QSizeF size(imageSize());
qreal ratio = size.width() / size.height();
qreal w = parent()->width();
qreal h = parent()->height();
if ((w / h) < ratio) {
_size.setWidth(w / f);
_size.setHeight((w / ratio) / f);
}
else {
_size.setHeight(h / f);
_size.setWidth(h * ratio / f);
}
}
else
_size = parent()->bbox().size() / f;
}
// in any case, adjust position relative to parent
adjustReadPos();
setbbox(QRectF(0.0, 0.0, _size.width() * f, _size.height() * f));
}
void Dynamic::layout()
{
if (!readPos().isNull()) {
if (score()->mscVersion() <= 114) {
setReadPos(QPointF());
// hack: 1.2 boundingBoxes are a bit wider which results
// in symbols moved right
setUserXoffset(userOff().x() - spatium() * .6);
}
}
setPos(textStyle().offset(spatium()));
Text::layout1();
Segment* s = segment();
if (!s)
return;
for (int voice = 0; voice < VOICES; ++voice) {
int t = (track() & ~0x3) + voice;
Chord* c = static_cast<Chord*>(s->element(t));
if (!c)
continue;
if (c->type() == Element::Type::CHORD) {
qreal noteHeadWidth = score()->noteHeadWidth() * c->mag();
if (c->stem() && !c->up()) // stem down
rxpos() += noteHeadWidth * .25; // center on stem + optical correction
else
rxpos() += noteHeadWidth * .5; // center on notehead
}
else
rxpos() += c->width() * .5;
break;
}
adjustReadPos();
}
void Jump::layout()
{
setPos(QPointF(0.0, score()->styleP(Sid::jumpPosAbove)));
TextBase::layout1();
if (parent() && autoplace()) {
setUserOff(QPointF());
int si = staffIdx();
qreal minDistance = 0.5 * spatium(); // score()->styleP(Sid::tempoMinDistance);
Shape& s1 = measure()->staffShape(si);
Shape s2 = shape().translated(pos());
if (placeAbove()) {
qreal d = s2.minVerticalDistance(s1);
if (d > -minDistance) {
qreal yd = -d - minDistance;
rUserYoffset() = yd;
s2.translate(QPointF(0.0, yd));
}
}
else {
qreal d = s1.minVerticalDistance(s2);
if (d > -minDistance) {
qreal yd = d + minDistance;
rUserYoffset() = yd;
s2.translate(QPointF(0.0, yd));
}
}
s1.add(s2);
}
else {
adjustReadPos();
}
}
void StaffText::layout()
{
if (autoplace())
setUserOff(QPointF());
QPointF p(textStyle().offset(spatium()));
if (placement() == Element::Placement::BELOW)
p.ry() = - p.ry() + lineHeight();
setPos(p);
Text::layout1();
if (!parent()) // palette & clone trick
return;
if (autoplace() && segment()) {
qreal minDistance = score()->styleP(StyleIdx::dynamicsMinDistance); // TODO
Shape s1 = segment()->staffShape(staffIdx()).translated(segment()->pos());
Shape s2 = shape().translated(segment()->pos());
if (placement() == Element::Placement::ABOVE) {
qreal d = s2.minVerticalDistance(s1);
if (d > -minDistance)
rUserYoffset() = -d - minDistance;
}
else {
qreal d = s1.minVerticalDistance(s2);
if (d > -minDistance)
rUserYoffset() = d + minDistance;
}
}
adjustReadPos();
}
void PedalSegment::layout()
{
TextLineSegment::layout();
if (parent()) // for palette
rypos() += score()->styleS(StyleIdx::pedalY).val() * spatium();
adjustReadPos();
}
void TextLineSegment::layout()
{
if (autoplace())
setUserOff(QPointF());
TextLineBaseSegment::layout();
if (parent()) {
if (textLine()->placeBelow()) {
qreal sh = staff() ? staff()->height() : 0.0;
rypos() = sh + score()->styleP(StyleIdx::textLinePosBelow) * mag();
}
else
rypos() = score()->styleP(StyleIdx::textLinePosAbove) * mag();
if (autoplace()) {
qreal minDistance = spatium() * .7;
Shape s1 = shape().translated(pos());
if (textLine()->placeAbove()) {
qreal d = system()->topDistance(staffIdx(), s1);
if (d > -minDistance)
rUserYoffset() = -d - minDistance;
}
else {
qreal d = system()->bottomDistance(staffIdx(), s1);
if (d > -minDistance)
rUserYoffset() = d + minDistance;
}
}
else
adjustReadPos();
}
}
void GlissandoSegment::layout()
{
QRectF r = QRectF(0.0, 0.0, pos2().x(), pos2().y()).normalized();
qreal lw = spatium() * glissando()->lineWidth().val() * .5;
setbbox(r.adjusted(-lw, -lw, lw, lw));
adjustReadPos();
}
void OttavaSegment::layout()
{
if (autoplace())
setUserOff(QPointF());
TextLineSegment::layout();
if (parent()) {
qreal yo = score()->styleP(StyleIdx::ottavaY) * mag();
if (ottava()->placement() == Element::Placement::BELOW)
yo = -yo + staff()->height();
rypos() += yo;
if (autoplace()) {
qreal minDistance = spatium() * .7;
Shape s1 = shape().translated(pos());
if (ottava()->placement() == Element::Placement::ABOVE) {
qreal d = system()->topDistance(staffIdx(), s1);
if (d > -minDistance)
rUserYoffset() = -d - minDistance;
}
else {
qreal d = system()->bottomDistance(staffIdx(), s1);
if (d > -minDistance)
rUserYoffset() = d + minDistance;
}
}
else
adjustReadPos();
}
}
void PedalSegment::layout()
{
if (autoplace())
setUserOff(QPointF());
TextLineBaseSegment::layout();
if (parent()) { // for palette
rypos() += score()->styleP(pedal()->placeBelow() ? StyleIdx::pedalPosBelow : StyleIdx::pedalPosAbove);
if (autoplace()) {
qreal minDistance = spatium() * .7;
Shape s1 = shape().translated(pos());
if (pedal()->placeBelow()) {
qreal d = system()->bottomDistance(staffIdx(), s1);
if (d > -minDistance)
rUserYoffset() = d + minDistance;
}
else {
qreal d = system()->topDistance(staffIdx(), s1);
if (d > -minDistance)
rUserYoffset() = -(d + minDistance);
}
}
else
adjustReadPos();
}
}
void OttavaSegment::layout()
{
TextLineSegment::layout1();
if (parent()) // for palette
rypos() += score()->styleS(ST_ottavaY).val() * spatium();
adjustReadPos();
}
void SlurSegment::layout(const QPointF& p1, const QPointF& p2)
{
ups[GRIP_START].p = p1;
ups[GRIP_END].p = p2;
slurTie()->computeBezier(this);
setbbox(path.boundingRect());
adjustReadPos();
}
void VoltaSegment::layout()
{
rypos() = 0.0;
TextLineSegment::layout1();
if (parent()) // for palette
rypos() += score()->styleS(ST_voltaY).val() * spatium();
adjustReadPos();
}
void Image::layout()
{
setPos(0.0, 0.0);
if (imageType == ImageType::SVG && !svgDoc) {
if (_storeItem) {
svgDoc = new QSvgRenderer(_storeItem->buffer());
if (svgDoc->isValid()) {
if (_size.isNull()) {
_size = svgDoc->defaultSize();
if (_sizeIsSpatium)
_size /= 10.0; // by convention
}
}
}
}
else if (imageType == ImageType::RASTER && !rasterDoc) {
if (_storeItem) {
rasterDoc = new QImage;
rasterDoc->loadFromData(_storeItem->buffer());
if (!rasterDoc->isNull()) {
if (_size.isNull()) {
_size = rasterDoc->size() * 0.4;
if (_sizeIsSpatium)
_size /= spatium();
else
_size /= MScore::DPMM;
}
_dirty = true;
}
}
}
qreal f = _sizeIsSpatium ? spatium() : MScore::DPMM;
// if autoscale && inside a box, scale to box relevant size
if (autoScale() && parent() && ((parent()->type() == Element::Type::HBOX || parent()->type() == Element::Type::VBOX))) {
if (_lockAspectRatio) {
QSizeF size(imageSize());
qreal ratio = size.width() / size.height();
qreal w = parent()->width();
qreal h = parent()->height();
if ((w / h) < ratio) {
_size.setWidth(w / f);
_size.setHeight((w / ratio) / f);
}
else {
_size.setHeight(h / f);
_size.setWidth(h * ratio / f);
}
}
else
_size = parent()->bbox().size() / f;
}
// in any case, adjust position relative to parent
adjustReadPos();
bbox().setRect(0.0, 0.0, _size.width() * f, _size.height() * f);
}
void TrillSegment::layout()
{
QRectF b1(symbols[score()->symIdx()][trillSym].bbox(magS()));
QRectF rr(b1.translated(-b1.x(), 0.0));
rr |= QRectF(0.0, rr.y(), pos2().x(), rr.height());
setbbox(rr);
rypos() += score()->styleS(ST_trillY).val() * spatium();
adjustReadPos();
}
void HairpinSegment::layout()
{
QTransform t;
qreal _spatium = spatium();
qreal h1 = score()->styleS(ST_hairpinHeight).val() * _spatium * .5;
qreal h2 = score()->styleS(ST_hairpinContHeight).val() * _spatium * .5;
rypos() = 0.0;
qreal len;
qreal x = pos2().x();
if (x < _spatium) // minimum size of hairpin
x = _spatium;
qreal y = pos2().y();
len = sqrt(x * x + y * y);
t.rotateRadians(asin(y/len));
if (hairpin()->hairpinType() == 0) {
// crescendo
switch (spannerSegmentType()) {
case SEGMENT_SINGLE:
case SEGMENT_BEGIN:
l1.setLine(.0, .0, len, h1);
l2.setLine(.0, .0, len, - h1);
break;
case SEGMENT_MIDDLE:
case SEGMENT_END:
l1.setLine(.0, h2, len, h1);
l2.setLine(.0, -h2, len, - h1);
break;
}
}
else {
// decrescendo
switch(spannerSegmentType()) {
case SEGMENT_SINGLE:
case SEGMENT_END:
l1.setLine(.0, h1, len, 0.0);
l2.setLine(.0, -h1, len, 0.0);
break;
case SEGMENT_BEGIN:
case SEGMENT_MIDDLE:
l1.setLine(.0, h1, len, + h2);
l2.setLine(.0, -h1, len, - h2);
break;
}
}
l1 = t.map(l1);
l2 = t.map(l2);
QRectF r = QRectF(l1.p1(), l1.p2()).normalized() | QRectF(l2.p1(), l2.p2()).normalized();
qreal w = point(score()->styleS(ST_hairpinWidth));
setbbox(r.adjusted(-w*.5, -w*.5, w, w));
if (parent())
rypos() += score()->styleS(ST_hairpinY).val() * _spatium;
adjustReadPos();
}
void Text::layout()
{
if (styled() && !_editMode) {
SimpleText::layout();
}
else {
_doc->setDefaultFont(textStyle().font(spatium()));
qreal w = -1.0;
qreal x = 0.0;
qreal y = 0.0;
if (parent() && layoutToParentWidth()) {
w = parent()->width();
if (parent()->type() == HBOX || parent()->type() == VBOX || parent()->type() == TBOX) {
Box* box = static_cast<Box*>(parent());
x += box->leftMargin() * MScore::DPMM;
y += box->topMargin() * MScore::DPMM;
w = box->width() - ((box->leftMargin() + box->rightMargin()) * MScore::DPMM);
}
}
QTextOption to = _doc->defaultTextOption();
to.setUseDesignMetrics(true);
to.setWrapMode(w <= 0.0 ? QTextOption::NoWrap : QTextOption::WrapAtWordBoundaryOrAnywhere);
_doc->setDefaultTextOption(to);
if (w < 0.0)
w = _doc->idealWidth();
_doc->setTextWidth(w);
setbbox(QRectF(QPointF(0.0, 0.0), _doc->size()));
if (hasFrame())
layoutFrame();
_doc->setModified(false);
textStyle().layout(this); // process alignment
#if 0 // TODO TEXT_STYLE_TEXTLINE
if ((textStyle().align() & ALIGN_VCENTER) && (textStyle() == TEXT_STYLE_TEXTLINE)) {
// special case: vertically centered text with TextLine needs to
// take into account the line width
TextLineSegment* tls = static_cast<TextLineSegment*>(parent());
TextLine* tl = tls->textLine();
if (tl) {
qreal textlineLineWidth = point(tl->lineWidth());
rypos() -= textlineLineWidth * .5;
}
}
#endif
rxpos() += x;
rypos() += y;
}
if (parent() && parent()->type() == SEGMENT) {
Segment* s = static_cast<Segment*>(parent());
rypos() += s ? s->measure()->system()->staff(staffIdx())->y() : 0.0;
}
adjustReadPos();
}
void Marker::layout()
{
setPos(textStyle().offset(spatium()));
Text::layout1();
// although normally laid out to parent (measure) width,
// force to center over barline if left-aligned
if (layoutToParentWidth() && !(textStyle().align() & (AlignmentFlags::RIGHT|AlignmentFlags::HCENTER)))
rxpos() -= width() * 0.5;
adjustReadPos();
}
void Marker::layout()
{
setPos(QPointF(0.0, score()->styleP(StyleIdx::markerPosAbove)));
Text::layout1();
// although normally laid out to parent (measure) width,
// force to center over barline if left-aligned
if (layoutToParentWidth() && !(align() & (Align::RIGHT | Align::HCENTER)))
rxpos() -= width() * 0.5;
adjustReadPos();
}
void OttavaSegment::layout()
{
TextLineSegment::layout1();
if (parent()) { // for palette
qreal yo(score()->styleS(StyleIdx::ottavaY).val() * spatium());
if (ottava()->placement() == Placement::BELOW)
yo = -yo + staff()->height();
rypos() += yo;
}
adjustReadPos();
}
void FSymbol::layout()
{
QString s;
if (_code & 0xffff0000) {
s = QChar(QChar::highSurrogate(_code));
s += QChar(QChar::lowSurrogate(_code));
}
else
s = QChar(_code);
QFontMetricsF fm(_font);
setbbox(fm.boundingRect(s));
adjustReadPos();
}
void HBox::layout()
{
if (parent() && parent()->type() == VBOX) {
VBox* vb = static_cast<VBox*>(parent());
qreal x = vb->leftMargin() * MScore::DPMM;
qreal y = vb->topMargin() * MScore::DPMM;
qreal w = point(boxWidth());
qreal h = vb->height() - (vb->topMargin() + vb->bottomMargin()) * MScore::DPMM;
setPos(x, y);
bbox().setRect(0.0, 0.0, w, h);
}
else {
bbox().setRect(0.0, 0.0, point(boxWidth()), system()->height());
}
Box::layout();
adjustReadPos();
}
void TrillSegment::layout()
{
if (parent())
rypos() += score()->styleS(StyleIdx::trillY).val() * spatium();
if (staff())
setMag(staff()->mag());
if (spannerSegmentType() == SpannerSegmentType::SINGLE || spannerSegmentType() == SpannerSegmentType::BEGIN) {
Accidental* a = trill()->accidental();
if (a) {
a->layout();
a->setMag(a->mag() * .6);
qreal _spatium = spatium();
a->setPos(_spatium * 1.3, -2.2 * _spatium);
a->adjustReadPos();
}
switch (trill()->trillType()) {
case Trill::Type::TRILL_LINE:
symbolLine(SymId::ornamentTrill, SymId::wiggleTrill);
break;
case Trill::Type::PRALLPRALL_LINE:
symbolLine(SymId::wiggleTrill, SymId::wiggleTrill);
break;
case Trill::Type::UPPRALL_LINE:
if (score()->scoreFont()->isValid(SymId::ornamentBottomLeftConcaveStroke))
symbolLine(SymId::ornamentBottomLeftConcaveStroke,
SymId::ornamentZigZagLineNoRightEnd, SymId::ornamentZigZagLineWithRightEnd);
else
symbolLine(SymId::ornamentUpPrall,
// SymId::ornamentZigZagLineNoRightEnd, SymId::ornamentZigZagLineWithRightEnd);
SymId::ornamentZigZagLineNoRightEnd);
break;
case Trill::Type::DOWNPRALL_LINE:
if (score()->scoreFont()->isValid(SymId::ornamentLeftVerticalStroke))
symbolLine(SymId::ornamentLeftVerticalStroke,
SymId::ornamentZigZagLineNoRightEnd, SymId::ornamentZigZagLineWithRightEnd);
else
symbolLine(SymId::ornamentDownPrall,
// SymId::ornamentZigZagLineNoRightEnd, SymId::ornamentZigZagLineWithRightEnd);
SymId::ornamentZigZagLineNoRightEnd);
break;
}
}
else
symbolLine(SymId::wiggleTrill, SymId::wiggleTrill);
adjustReadPos();
}
void VoltaSegment::layout()
{
if (autoplace())
setUserOff(QPointF());
TextLineBaseSegment::layout();
if (!parent())
return;
rypos() = score()->styleP(StyleIdx::voltaY) * mag();
if (autoplace()) {
qreal minDistance = spatium() * .7;
Shape s1 = shape().translated(pos());
qreal d = system()->topDistance(staffIdx(), s1);
if (d > -minDistance)
rUserYoffset() = -d - minDistance;
}
else
adjustReadPos();
}
void Stem::layout()
{
qreal l = _len + _userLen;
qreal _up = up() ? -1.0 : 1.0;
l *= _up;
qreal y1 = 0.0; // vertical displacement to match note attach point
Staff* stf = staff();
if (chord()) {
int tick = chord()->tick();
StaffType* st = stf->staffType(tick);
if (st->isTabStaff() ) { // TAB staves
if (st->stemThrough()) {
// if stems through staves, gets Y pos. of stem-side note relative to chord other side
qreal lineDist = st->lineDistance().val() * spatium();
y1 = (chord()->downString() - chord()->upString()) * _up * lineDist;
// if fret marks above lines, raise stem beginning by 1/2 line distance
if (!st->onLines())
y1 -= lineDist * 0.5;
// shorten stem by 1/2 lineDist to clear the note and a little more to keep 'air' betwen stem and note
lineDist *= 0.7 * mag();
y1 += _up * lineDist;
}
// in other TAB types, no correction
}
else { // non-TAB
// move stem start to note attach point
Note* n = up() ? chord()->downNote() : chord()->upNote();
y1 += (up() ? n->stemUpSE().y() : n->stemDownNW().y());
rypos() = n->rypos();
}
}
qreal lw5 = _lineWidth * .5;
line.setLine(0.0, y1, 0.0, l);
// compute bounding rectangle
QRectF r(line.p1(), line.p2());
setbbox(r.normalized().adjusted(-lw5, -lw5, lw5, lw5));
adjustReadPos(); // does not work if stem is layouted twice
}
void TrillSegment::layout()
{
QRectF b1(symBbox(SymId::ornamentTrill));
QRectF rr(b1.translated(-b1.x(), 0.0));
rr |= QRectF(0.0, rr.y(), pos2().x(), rr.height());
setbbox(rr);
if (parent())
rypos() += score()->styleS(ST_trillY).val() * spatium();
if (spannerSegmentType() == SEGMENT_SINGLE || spannerSegmentType() == SEGMENT_BEGIN) {
Accidental* a = trill()->accidental();
if (a) {
a->layout();
a->setMag(a->mag() * .6);
qreal _spatium = spatium();
a->setPos(_spatium*1.3, -2.2*_spatium);
a->adjustReadPos();
}
}
adjustReadPos();
}
void RehearsalMark::layout()
{
setPos(textStyle().offset(spatium()));
Text::layout1();
Segment* s = segment();
if (s && !s->rtick()) {
// first CR of measure, decide whether to align to barline
if (!s->prev()) {
// measure with no clef / keysig / timesig
rxpos() -= s->x();
}
else if (textStyle().align() & AlignmentFlags::RIGHT) {
// measure with clef / keysig / timesig, rehearsal mark right aligned
// align left edge of rehearsal to barline if that is further to left
qreal leftX = bbox().x();
qreal barlineX = -s->x();
rxpos() += qMin(leftX, barlineX) + width();
}
}
adjustReadPos();
}
void TempoText::layout()
{
setPos(textStyle().offset(spatium()));
Text::layout1();
// tempo text on first chordrest of measure should align over time sig if present
//
Segment* s = segment();
if (s && !s->rtick()) {
Segment* p = segment()->prev(Segment::Type::TimeSig);
if (p) {
rxpos() -= s->x() - p->x();
Element* e = p->element(staffIdx() * VOICES);
if (e)
rxpos() += e->x();
}
}
if (placement() == Element::Placement::BELOW)
rypos() = -rypos() + 4 * spatium();
adjustReadPos();
}
void HairpinSegment::layout()
{
if (hairpin()->useTextLine()) {
if (parent())
rypos() += score()->styleS(StyleIdx::hairpinY).val() * spatium();
TextLineSegment::layout();
return;
}
QTransform t;
qreal _spatium = spatium();
qreal h1 = hairpin()->hairpinHeight().val() * spatium() * .5;
qreal h2 = hairpin()->hairpinContHeight().val() * spatium() * .5;
qreal len;
qreal x = pos2().x();
if (x < _spatium) // minimum size of hairpin
x = _spatium;
qreal y = pos2().y();
len = sqrt(x * x + y * y);
t.rotateRadians(asin(y/len));
drawCircledTip = hairpin()->hairpinCircledTip();
circledTipRadius = 0;
if( drawCircledTip )
circledTipRadius = 0.6 * _spatium * .5;
if (hairpin()->hairpinType() == Hairpin::Type::CRESCENDO) {
// crescendo
switch (spannerSegmentType()) {
case SpannerSegmentType::SINGLE:
case SpannerSegmentType::BEGIN:
l1.setLine(.0 + circledTipRadius*2, .0, len, h1);
l2.setLine(.0 + circledTipRadius*2, .0, len, -h1);
circledTip.setX( 0 + circledTipRadius );
circledTip.setY( 0 );
break;
case SpannerSegmentType::MIDDLE:
case SpannerSegmentType::END:
drawCircledTip = false;
l1.setLine(.0, h2, len, h1);
l2.setLine(.0, -h2, len, -h1);
break;
}
}
else {
// decrescendo
switch(spannerSegmentType()) {
case SpannerSegmentType::SINGLE:
case SpannerSegmentType::END:
l1.setLine(.0, h1, len - circledTipRadius*2, 0.0);
l2.setLine(.0, -h1, len - circledTipRadius*2, 0.0);
circledTip.setX( len - circledTipRadius );
circledTip.setY( 0 );
break;
case SpannerSegmentType::BEGIN:
case SpannerSegmentType::MIDDLE:
drawCircledTip = false;
l1.setLine(.0, h1, len, + h2);
l2.setLine(.0, -h1, len, - h2);
break;
}
}
// Do Coord rotation
l1 = t.map(l1);
l2 = t.map(l2);
if( drawCircledTip )
circledTip = t.map(circledTip);
QRectF r = QRectF(l1.p1(), l1.p2()).normalized() | QRectF(l2.p1(), l2.p2()).normalized();
qreal w = point(score()->styleS(StyleIdx::hairpinLineWidth));
setbbox(r.adjusted(-w*.5, -w*.5, w, w));
if (parent())
rypos() += score()->styleS(StyleIdx::hairpinY).val() * _spatium;
adjustReadPos();
}
void Text::layout()
{
layout1();
adjustReadPos();
}
void Glissando::layout()
{
qreal _spatium = spatium();
if (score() == gscore // for use in palettes
|| startElement() == nullptr || endElement() == nullptr) { // or while dragging
if (spannerSegments().isEmpty())
add(createLineSegment());
LineSegment* s = frontSegment();
s->setPos(QPointF());
s->setPos2(QPointF(_spatium * GLISS_PALETTE_WIDTH, -_spatium * GLISS_PALETTE_HEIGHT));
s->layout();
return;
}
SLine::layout();
setPos(0.0, 0.0);
adjustReadPos();
Note* anchor1 = static_cast<Note*>(startElement());
Note* anchor2 = static_cast<Note*>(endElement());
Chord* cr1 = anchor1->chord();
Chord* cr2 = anchor2->chord();
GlissandoSegment* segm1 = static_cast<GlissandoSegment*>(frontSegment());
GlissandoSegment* segm2 = static_cast<GlissandoSegment*>(backSegment());
// Note: line segments are defined by
// initial point: ipos() (relative to system origin)
// ending point: pos2() (relative to initial point)
// LINE ENDING POINTS TO NOTE HEAD CENTRES
// assume gliss. line goes from centre of initial note centre to centre of ending note:
// move first segment origin and last segment ending point from note head origin to note head centre
QPointF offs1 = QPointF(anchor1->headWidth() * 0.5, 0.0);
QPointF offs2 = QPointF(anchor2->headWidth() * 0.5, 0.0);
// AVOID HORIZONTAL LINES
int upDown = (0 < (anchor2->pitch() - anchor1->pitch())) - ((anchor2->pitch() - anchor1->pitch()) < 0);
// on TAB's, glissando are by necessity on the same string, this gives an horizontal glissando line;
// make bottom end point lower and top ending point higher
if (cr1->staff()->isTabStaff()) {
qreal yOff = cr1->staff()->lineDistance() * 0.3 * _spatium;
offs1.ry() += yOff * upDown;
offs2.ry() -= yOff * upDown;
}
// if not TAB, angle glissando between notes on the same line
else {
if (anchor1->line() == anchor2->line()) {
offs1.ry() += _spatium * 0.25 * upDown;
offs2.ry() -= _spatium * 0.25 * upDown;
}
}
// move initial point of first segment and adjust its length accordingly
segm1->setPos (segm1->ipos() + offs1);
segm1->setPos2(segm1->ipos2() - offs1);
// adjust ending point of last segment
segm2->setPos2(segm2->ipos2() + offs2);
// FINAL SYSTEM-INITIAL NOTE
// if the last gliss. segment attaches to a system-initial note, some extra width has to be added
if (cr2->segment()->measure() == cr2->segment()->system()->firstMeasure() && cr2->rtick() == 0)
{
segm2->rxpos() -= GLISS_STARTOFSYSTEM_WIDTH * _spatium;
segm2->rxpos2()+= GLISS_STARTOFSYSTEM_WIDTH * _spatium;
}
// INTERPOLATION OF INTERMEDIATE POINTS
// This probably belongs to SLine class itself; currently it does not seem
// to be needed for anything else than Glissando, though
// get total x-width and total y-height of all segments
qreal xTot = 0.0;
for (SpannerSegment* segm : spannerSegments())
xTot += segm->ipos2().x();
qreal y0 = segm1->ipos().y();
qreal yTot = segm2->ipos().y() + segm2->ipos2().y() - y0;
qreal ratio = yTot / xTot;
// interpolate y-coord of intermediate points across total width and height
qreal xCurr = 0.0;
qreal yCurr;
for (int i = 0; i < spannerSegments().count()-1; i++)
{
SpannerSegment* segm = segmentAt(i);
xCurr += segm->ipos2().x();
yCurr = y0 + ratio * xCurr;
segm->rypos2() = yCurr - segm->ipos().y(); // position segm. end point at yCurr
// next segment shall start where this segment stopped
segm = segmentAt(i+1);
segm->rypos2() += segm->ipos().y() - yCurr; // adjust next segm. vertical length
segm->rypos() = yCurr; // position next segm. start point at yCurr
}
// STAY CLEAR OF NOTE APPENDAGES
// initial note dots / ledger line / note head
offs1 *= -1.0; // discount changes already applied
int dots = cr1->dots();
LedgerLine * ledLin = cr1->ledgerLines();
// if dots, start at right of last dot
// if no dots, from right of ledger line, if any; from right of note head, if no ledger line
offs1.rx() += (dots && anchor1->dot(dots-1) ? anchor1->dot(dots-1)->pos().x() + anchor1->dot(dots-1)->width()
: (ledLin ? ledLin->pos().x() + ledLin->width() : anchor1->headWidth()) );
// final note arpeggio / accidental / ledger line / accidental / arpeggio (i.e. from outermost to innermost)
offs2 *= -1.0; // discount changes already applied
if (Arpeggio* a = cr2->arpeggio())
offs2.rx() += a->pos().x() + a->userOff().x();
else if (Accidental* a = anchor2->accidental())
offs2.rx() += a->pos().x() + a->userOff().x();
else if ( (ledLin = cr2->ledgerLines()) != nullptr)
offs2.rx() += ledLin->pos().x();
// add another a quarter spatium of 'air'
offs1.rx() += _spatium * 0.25;
offs2.rx() -= _spatium * 0.25;
// apply offsets: shorten first segment by x1 (and proportionally y) and adjust its length accordingly
offs1.ry() = segm1->ipos2().y() * offs1.x() / segm1->ipos2().x();
segm1->setPos(segm1->ipos() + offs1);
segm1->setPos2(segm1->ipos2() - offs1);
// adjust last segment length by x2 (and proportionally y)
offs2.ry() = segm2->ipos2().y() * offs2.x() / segm2->ipos2().x();
segm2->setPos2(segm2->ipos2() + offs2);
for (SpannerSegment* segm : spannerSegments())
static_cast<GlissandoSegment*>(segm)->layout();
// compute glissando bbox as the bbox of the last segment, relative to the end anchor note
QPointF anchor2PagePos = anchor2->pagePos();
QPointF system2PagePos = cr2->segment()->system()->pagePos();
QPointF anchor2SystPos = anchor2PagePos - system2PagePos;
QRectF r = QRectF(anchor2SystPos - segm2->pos(), anchor2SystPos - segm2->pos() - segm2->pos2()).normalized();
qreal lw = _spatium * lineWidth().val() * .5;
setbbox(r.adjusted(-lw, -lw, lw, lw));
}