void Ambitus::draw(QPainter* p) const
{
qreal _spatium = spatium();
qreal lw = lineWidth().val() * _spatium;
p->setPen(QPen(curColor(), lw, Qt::SolidLine, Qt::RoundCap));
drawSymbol(noteHead(), p, _topPos);
drawSymbol(noteHead(), p, _bottomPos);
if (_hasLine)
p->drawLine(_line);
// draw ledger lines (if not in a palette)
if (segment() && track() > -1) {
int tick = segment()->tick();
Staff* stf = score()->staff(staffIdx());
qreal lineDist = stf->lineDistance(tick);
int numOfLines = stf->lines(tick);
qreal step = lineDist * _spatium;
qreal stepTolerance = step * 0.1;
qreal ledgerOffset = score()->styleS(Sid::ledgerLineLength).val() * 0.5 * _spatium;
p->setPen(QPen(curColor(), score()->styleS(Sid::ledgerLineWidth).val() * _spatium,
Qt::SolidLine, Qt::RoundCap) );
if (_topPos.y()-stepTolerance <= -step) {
qreal xMin = _topPos.x() - ledgerOffset;
qreal xMax = _topPos.x() + headWidth() + ledgerOffset;
for (qreal y = -step; y >= _topPos.y()-stepTolerance; y -= step)
p->drawLine(QPointF(xMin, y), QPointF(xMax, y));
}
if (_bottomPos.y()+stepTolerance >= numOfLines * step) {
qreal xMin = _bottomPos.x() - ledgerOffset;
qreal xMax = _bottomPos.x() + headWidth() + ledgerOffset;
for (qreal y = numOfLines*step; y <= _bottomPos.y()+stepTolerance; y += step)
p->drawLine(QPointF(xMin, y), QPointF(xMax, y));
}
}
}
QgsStringMap QgsArrowSymbolLayer::properties() const
{
QgsStringMap map;
map["arrow_width"] = QString::number( arrowWidth() );
map["arrow_width_unit"] = QgsSymbolLayerV2Utils::encodeOutputUnit( arrowWidthUnit() );
map["arrow_width_unit_scale"] = QgsSymbolLayerV2Utils::encodeMapUnitScale( arrowWidthUnitScale() );
map["arrow_start_width"] = QString::number( arrowStartWidth() );
map["arrow_start_width_unit"] = QgsSymbolLayerV2Utils::encodeOutputUnit( arrowStartWidthUnit() );
map["arrow_start_width_unit_scale"] = QgsSymbolLayerV2Utils::encodeMapUnitScale( arrowStartWidthUnitScale() );
map["is_curved"] = QString::number( isCurved() ? 1 : 0 );
map["is_repeated"] = QString::number( isRepeated() ? 1 : 0 );
map["head_width"] = QString::number( headWidth() );
map["head_width_unit"] = QgsSymbolLayerV2Utils::encodeOutputUnit( headWidthUnit() );
map["head_width_unit_scale"] = QgsSymbolLayerV2Utils::encodeMapUnitScale( headWidthUnitScale() );
map["head_height"] = QString::number( headHeight() );
map["head_height_unit"] = QgsSymbolLayerV2Utils::encodeOutputUnit( headHeightUnit() );
map["head_height_unit_scale"] = QgsSymbolLayerV2Utils::encodeMapUnitScale( headHeightUnitScale() );
map["head_type"] = QString::number( headType() );
map["arrow_type"] = QString::number( arrowType() );
map["offset"] = QString::number( offset() );
map["offset_unit"] = QgsSymbolLayerV2Utils::encodeOutputUnit( offsetUnit() );
map["offset_unit_scale"] = QgsSymbolLayerV2Utils::encodeMapUnitScale( offsetMapUnitScale() );
saveDataDefinedProperties( map );
return map;
}
void Ambitus::layout()
{
int bottomLine, topLine;
ClefType clf;
qreal headWdt = headWidth();
Key key;
qreal lineDist;
int numOfLines;
Segment* segm = segment();
qreal _spatium = spatium();
Staff* stf = nullptr;
if (segm && track() > -1) {
int tick = segm->tick();
stf = score()->staff(staffIdx());
lineDist = stf->lineDistance(tick) * _spatium;
numOfLines = stf->lines(tick);
clf = stf->clef(tick);
}
else { // for use in palettes
lineDist = _spatium;
numOfLines = 3;
clf = ClefType::G;
}
//
// NOTEHEADS Y POS
//
// if pitch == INVALID_PITCH oor tpc == INALID_TPC, set to some default:
// for use in palettes and when actual range cannot be calculated (new ambitus or no notes in staff)
//
qreal xAccidOffTop = 0;
qreal xAccidOffBottom = 0;
if (stf)
key = stf->key(segm->tick());
else
key = Key::C;
// top notehead
if (_topPitch == INVALID_PITCH || _topTpc == Tpc::TPC_INVALID)
_topPos.setY(0); // if uninitialized, set to top staff line
else {
topLine = absStep(_topTpc, _topPitch);
topLine = relStep(topLine, clf);
_topPos.setY(topLine * lineDist * 0.5);
// compute accidental
AccidentalType accidType;
// if (13 <= (tpc - key) <= 19) there is no accidental)
if (_topTpc - int(key) >= 13 && _topTpc - int(key) <= 19)
accidType = AccidentalType::NONE;
else {
AccidentalVal accidVal = AccidentalVal( (_topTpc - Tpc::TPC_MIN) / TPC_DELTA_SEMITONE - 2 );
accidType = Accidental::value2subtype(accidVal);
if (accidType == AccidentalType::NONE)
accidType = AccidentalType::NATURAL;
}
_topAccid.setAccidentalType(accidType);
if (accidType != AccidentalType::NONE)
_topAccid.layout();
else
_topAccid.setbbox(QRect());
_topAccid.rypos() = _topPos.y();
}
// bottom notehead
if (_bottomPitch == INVALID_PITCH || _bottomTpc == Tpc::TPC_INVALID)
_bottomPos.setY( (numOfLines-1) * lineDist); // if uninitialized, set to last staff line
else {
bottomLine = absStep(_bottomTpc, _bottomPitch);
bottomLine = relStep(bottomLine, clf);
_bottomPos.setY(bottomLine * lineDist * 0.5);
// compute accidental
AccidentalType accidType;
if (_bottomTpc - int(key) >= 13 && _bottomTpc - int(key) <= 19)
accidType = AccidentalType::NONE;
else {
AccidentalVal accidVal = AccidentalVal( (_bottomTpc - Tpc::TPC_MIN) / TPC_DELTA_SEMITONE - 2 );
accidType = Accidental::value2subtype(accidVal);
if (accidType == AccidentalType::NONE)
accidType = AccidentalType::NATURAL;
}
_bottomAccid.setAccidentalType(accidType);
if (accidType != AccidentalType::NONE)
_bottomAccid.layout();
else
_bottomAccid.setbbox(QRect());
_bottomAccid.rypos() = _bottomPos.y();
}
//
// NOTEHEAD X POS
//
// Note: manages colliding accidentals
//
qreal accNoteDist = point(score()->styleS(Sid::accidentalNoteDistance));
xAccidOffTop = _topAccid.width() + accNoteDist;
xAccidOffBottom = _bottomAccid.width() + accNoteDist;
// if top accidental extends down more than bottom accidental extends up,
// AND ambitus is not leaning right, bottom accidental needs to be displaced
bool collision =
(_topAccid.ipos().y() + _topAccid.bbox().y() + _topAccid.height()
> _bottomAccid.ipos().y() + _bottomAccid.bbox().y() )
&& _dir != MScore::DirectionH::RIGHT;
if (collision) {
// displace bottom accidental (also attempting to 'undercut' flats)
xAccidOffBottom = xAccidOffTop +
((_bottomAccid.accidentalType() == AccidentalType::FLAT
|| _bottomAccid.accidentalType() == AccidentalType::FLAT2
|| _bottomAccid.accidentalType() == AccidentalType::NATURAL)
? _bottomAccid.width() * 0.5 : _bottomAccid.width());
}
switch (_dir) {
case MScore::DirectionH::AUTO: // noteheads one above the other
// left align noteheads and right align accidentals 'hanging' on the left
_topPos.setX(0.0);
_bottomPos.setX(0.0);
_topAccid.rxpos() = - xAccidOffTop;
_bottomAccid.rxpos() = - xAccidOffBottom;
break;
case MScore::DirectionH::LEFT: // top notehead at the left of bottom notehead
// place top notehead at left margin; bottom notehead at right of top head;
// top accid. 'hanging' on left of top head and bottom accid. 'hanging' at left of bottom head
_topPos.setX(0.0);
_bottomPos.setX(headWdt);
_topAccid.rxpos() = - xAccidOffTop;
_bottomAccid.rxpos() = collision ? - xAccidOffBottom : headWdt - xAccidOffBottom;
break;
case MScore::DirectionH::RIGHT: // top notehead at the right of bottom notehead
// bottom notehead at left margin; top notehead at right of bottomnotehead
// top accid. 'hanging' on left of top head and bottom accid. 'hanging' at left of bottom head
_bottomPos.setX(0.0);
_topPos.setX(headWdt);
_bottomAccid.rxpos() = - xAccidOffBottom;
_topAccid.rxpos() = headWdt - xAccidOffTop;
break;
}
// compute line from top note centre to bottom note centre
QLineF fullLine(_topPos.x() + headWdt*0.5, _topPos.y(),
_bottomPos.x() + headWdt*0.5, _bottomPos.y());
// shorten line on each side by offsets
qreal yDelta = _bottomPos.y() - _topPos.y();
if (yDelta != 0.0) {
qreal off = _spatium * LINEOFFSET_DEFAULT;
QPointF p1 = fullLine.pointAt(off / yDelta);
QPointF p2 = fullLine.pointAt(1 - (off / yDelta));
_line = QLineF(p1, p2);
}
else
_line = fullLine;
QRectF headRect = QRectF(0, -0.5*_spatium, headWdt, 1*_spatium);
setbbox(headRect.translated(_topPos).united(headRect.translated(_bottomPos))
.united(_topAccid.bbox().translated(_topAccid.ipos()))
.united(_bottomAccid.bbox().translated(_bottomAccid.ipos()))
);
}
void QgsArrowSymbolLayer::_resolveDataDefined( QgsSymbolV2RenderContext& context )
{
if ( !hasDataDefinedProperties() )
return; // shortcut if case there is no data defined properties at all
bool ok;
if ( hasDataDefinedProperty( "arrow_width" ) )
{
context.setOriginalValueVariable( arrowWidth() );
double w = evaluateDataDefinedProperty( "arrow_width", context, QVariant(), &ok ).toDouble();
if ( ok )
{
mScaledArrowWidth = QgsSymbolLayerV2Utils::convertToPainterUnits( context.renderContext(), w, arrowWidthUnit(), arrowWidthUnitScale() );
}
}
if ( hasDataDefinedProperty( "arrow_start_width" ) )
{
context.setOriginalValueVariable( arrowStartWidth() );
double w = evaluateDataDefinedProperty( "arrow_start_width", context, QVariant(), &ok ).toDouble();
if ( ok )
{
mScaledArrowStartWidth = QgsSymbolLayerV2Utils::convertToPainterUnits( context.renderContext(), w, arrowStartWidthUnit(), arrowStartWidthUnitScale() );
}
}
if ( hasDataDefinedProperty( "head_width" ) )
{
context.setOriginalValueVariable( headWidth() );
double w = evaluateDataDefinedProperty( "head_width", context, QVariant(), &ok ).toDouble();
if ( ok )
{
mScaledHeadWidth = QgsSymbolLayerV2Utils::convertToPainterUnits( context.renderContext(), w, headWidthUnit(), headWidthUnitScale() );
}
}
if ( hasDataDefinedProperty( "head_height" ) )
{
context.setOriginalValueVariable( headHeight() );
double w = evaluateDataDefinedProperty( "head_height", context, QVariant(), &ok ).toDouble();
if ( ok )
{
mScaledHeadHeight = QgsSymbolLayerV2Utils::convertToPainterUnits( context.renderContext(), w, headHeightUnit(), headHeightUnitScale() );
}
}
if ( hasDataDefinedProperty( QgsSymbolLayerV2::EXPR_OFFSET ) )
{
context.setOriginalValueVariable( offset() );
double w = evaluateDataDefinedProperty( QgsSymbolLayerV2::EXPR_OFFSET, context, QVariant(), &ok ).toDouble();
if ( ok )
{
mScaledOffset = QgsSymbolLayerV2Utils::convertToPainterUnits( context.renderContext(), w, offsetUnit(), offsetMapUnitScale() );
}
}
if ( hasDataDefinedProperty( "head_type" ) )
{
context.setOriginalValueVariable( headType() );
int h = evaluateDataDefinedProperty( "head_type", context, QVariant(), &ok ).toInt();
if ( ok )
{
mComputedHeadType = static_cast<HeadType>( h );
}
}
if ( hasDataDefinedProperty( "arrow_type" ) )
{
context.setOriginalValueVariable( arrowType() );
int h = evaluateDataDefinedProperty( "arrow_type", context, QVariant(), &ok ).toInt();
if ( ok )
{
mComputedArrowType = static_cast<ArrowType>( h );
}
}
}
void QgsArrowSymbolLayer::startRender( QgsSymbolV2RenderContext& context )
{
mExpressionScope.reset( new QgsExpressionContextScope() );
mScaledArrowWidth = QgsSymbolLayerV2Utils::convertToPainterUnits( context.renderContext(), arrowWidth(), arrowWidthUnit(), arrowWidthUnitScale() );
mScaledArrowStartWidth = QgsSymbolLayerV2Utils::convertToPainterUnits( context.renderContext(), arrowStartWidth(), arrowStartWidthUnit(), arrowStartWidthUnitScale() );
mScaledHeadWidth = QgsSymbolLayerV2Utils::convertToPainterUnits( context.renderContext(), headWidth(), headWidthUnit(), headWidthUnitScale() );
mScaledHeadHeight = QgsSymbolLayerV2Utils::convertToPainterUnits( context.renderContext(), headHeight(), headHeightUnit(), headHeightUnitScale() );
mScaledOffset = QgsSymbolLayerV2Utils::convertToPainterUnits( context.renderContext(), offset(), offsetUnit(), offsetMapUnitScale() );
mComputedHeadType = headType();
mComputedArrowType = arrowType();
mSymbol->startRender( context.renderContext() );
}
