void Glissando::layout() { Chord* chord = static_cast<Chord*>(parent()); if (chord == 0) return; Note* anchor2 = chord->upNote(); Segment* s = chord->segment(); s = s->prev1(); while (s) { if ((s->segmentType() & (Segment::SegChordRest)) && s->element(track())) break; s = s->prev1(); } if (s == 0) { qDebug("no segment for first note of glissando found\n"); return; } ChordRest* cr = static_cast<ChordRest*>(s->element(track())); if (cr == 0 || cr->type() != CHORD) { qDebug("no first note for glissando found, track %d", track()); return; } qreal _spatium = spatium(); Note* anchor1 = static_cast<Chord*>(cr)->upNote(); setPos(0.0, 0.0); adjustReadPos(); QPointF cp1 = anchor1->pagePos(); QPointF cp2 = anchor2->pagePos(); // line starting point int dots = static_cast<Chord*>(cr)->dots(); LedgerLine * ledLin = static_cast<Chord*>(cr)->ledgerLines(); // if dots, from right of last dot (assume a standard dot with of 1/4 sp) // if no dots, from right of ledger line, if any; from right of note head, if no ledger line qreal x1 = (dots ? anchor1->dot(dots-1)->pos().x() + anchor1->dot(dots-1)->width() : (ledLin ? ledLin->pos().x() + ledLin->width() : anchor1->headWidth()) ) - (cp2.x() - cp1.x()); // make relative to end note qreal y1 = anchor1->pos().y(); // line end point: left of note head qreal x2 = anchor2->pos().x(); qreal y2 = anchor2->pos().y(); // angle glissando between notes with the same pitch letter if (anchor1->line() == anchor2->line()) { int upDown = anchor2->pitch() - anchor1->pitch(); if (upDown != 0) upDown /= abs(upDown); y1 += _spatium * 0.25 * upDown; y2 -= _spatium * 0.25 * upDown; } // on TAB's, adjust lower end point from string line height to base of note height (= ca. half line spacing) if (chord->staff()->isTabStaff()) { qreal yOff = chord->staff()->lineDistance() * 0.3 * _spatium; if (anchor1->pitch() > anchor2->pitch()) { // descending glissando: y2 += yOff; y1 -= yOff; } // move ending point to base of note else { // ascending glissando: y1 += yOff; // move starting point to base of note y2 -= yOff; } } // shorten line to avoid end note ledger line ledLin=anchor2->chord()->ledgerLines(); if (ledLin) x2 = ledLin->pos().x(); // shorten line so it doesn't go through end note accidental or arpeggio if (Accidental* a = anchor2->accidental()) { x2 = a->pos().x() + a->userOff().x(); } if (Arpeggio* a = chord->arpeggio()) { x2 = a->pos().x() + a->userOff().x(); } QLineF fullLine(x1, y1, x2, y2); // shorten line on each side by offsets qreal xo = _spatium * .5; qreal yo = xo; // spatium() * .5; QPointF p1 = fullLine.pointAt(xo / fullLine.length()); QPointF p2 = fullLine.pointAt(1 - (yo / fullLine.length())); line = QLineF(p1, p2); qreal lw = _spatium * .15 * .5; QRectF r = QRectF(line.p1(), line.p2()).normalized(); setbbox(r.adjusted(-lw, -lw, lw, lw)); }
void Glissando::layout() { Chord* chord = static_cast<Chord*>(parent()); if (chord == 0) return; Note* anchor2 = chord->upNote(); Segment* s2 = chord->segment(); Segment* s1 = s2->prev1(); while (s1) { if ((s1->segmentType() & (Segment::Type::ChordRest)) && s1->element(track())) break; s1 = s1->prev1(); } if (s1 == 0) { qDebug("no segment for first note of glissando found"); return; } ChordRest* cr = static_cast<ChordRest*>(s1->element(track())); if (cr == 0 || cr->type() != Element::Type::CHORD) { qDebug("no first note for glissando found, track %d", track()); return; } qreal _spatium = spatium(); Note* anchor1 = static_cast<Chord*>(cr)->upNote(); setPos(0.0, 0.0); adjustReadPos(); // since line will be drawn relative to end note, // calculate offsets for start note coordinates relative to end note qreal x1off = 0.0; qreal y1off = 0.0; QPointF cp1 = anchor1->pagePos(); QPointF cp2 = anchor2->pagePos(); // layout of glissandi happens before we have staff positions within the system // so these "page" positions are not accurate across different staves // cheap partial fix for cross-staff glissandi: adjust vertical position according to difference in staffMove int moveDiff = anchor2->chord()->staffMove() - anchor1->chord()->staffMove(); if (moveDiff) y1off = moveDiff * 4.0 * _spatium; // now calculate offsets if (s1->system() == s2->system()) { // normal case - start and end note in same system x1off = cp2.x() - cp1.x(); if (!moveDiff) y1off = cp2.y() - cp1.y(); } else { // cheap partial fix for cross system glissandi: just draw a short line into end note // TODO: draw line coming out of start note on previous system x1off = 4.0 * _spatium; if (!moveDiff) y1off = anchor2->pos().y() - anchor1->pos().y(); } // line starting point int dots = static_cast<Chord*>(cr)->dots(); LedgerLine * ledLin = static_cast<Chord*>(cr)->ledgerLines(); // if dots, from right of last dot (assume a standard dot with of 1/4 sp) // if no dots, from right of ledger line, if any; from right of note head, if no ledger line qreal x1 = (dots && anchor1->dot(dots-1) ? anchor1->dot(dots-1)->pos().x() + anchor1->dot(dots-1)->width() : (ledLin ? ledLin->pos().x() + ledLin->width() : anchor1->headWidth()) ) - x1off; // make relative to end note qreal y1 = anchor2->y() - y1off; // line end point: left of note head qreal x2 = anchor2->pos().x(); qreal y2 = anchor2->pos().y(); // angle glissando between notes with the same pitch letter if (anchor1->line() == anchor2->line()) { int upDown = anchor2->pitch() - anchor1->pitch(); if (upDown != 0) upDown /= abs(upDown); y1 += _spatium * 0.25 * upDown; y2 -= _spatium * 0.25 * upDown; } // on TAB's, adjust lower end point from string line height to base of note height (= ca. half line spacing) if (chord->staff()->isTabStaff()) { qreal yOff = chord->staff()->lineDistance() * 0.3 * _spatium; if (anchor1->pitch() > anchor2->pitch()) { // descending glissando: y2 += yOff; y1 -= yOff; } // move ending point to base of note else { // ascending glissando: y1 += yOff; // move starting point to base of note y2 -= yOff; } } // shorten line to avoid end note ledger line ledLin = anchor2->chord()->ledgerLines(); if (ledLin) x2 = ledLin->pos().x(); // shorten line so it doesn't go through end note accidental or arpeggio if (Accidental* a = anchor2->accidental()) { x2 = a->pos().x() + a->userOff().x(); } if (Arpeggio* a = chord->arpeggio()) { x2 = a->pos().x() + a->userOff().x(); } QLineF fullLine(x1, y1, x2, y2); // shorten line on each side by offsets qreal xo = _spatium * .5; qreal yo = xo; // spatium() * .5; QPointF p1 = fullLine.pointAt(xo / fullLine.length()); QPointF p2 = fullLine.pointAt(1 - (yo / fullLine.length())); line = QLineF(p1, p2); qreal lw = _spatium * .15 * .5; QRectF r = QRectF(line.p1(), line.p2()).normalized(); setbbox(r.adjusted(-lw, -lw, lw, lw)); }