void QgsPolygonV2::addInteriorRing( QgsCurve *ring )
{
if ( !ring )
return;
if ( ring->hasCurvedSegments() )
{
//can't add a curved ring to a QgsPolygonV2
QgsLineString *segmented = ring->curveToLine();
delete ring;
ring = segmented;
}
QgsLineString *lineString = qgsgeometry_cast< QgsLineString *>( ring );
if ( lineString && !lineString->isClosed() )
{
lineString->close();
}
if ( mWkbType == QgsWkbTypes::Polygon25D )
{
ring->convertTo( QgsWkbTypes::LineString25D );
mInteriorRings.append( ring );
}
else
{
QgsCurvePolygon::addInteriorRing( ring );
}
clearCache();
}
void QgsPolygonV2::setExteriorRing( QgsCurve *ring )
{
if ( !ring )
{
return;
}
if ( ring->hasCurvedSegments() )
{
//need to segmentize ring as polygon does not support curves
QgsCurve *line = ring->segmentize();
delete ring;
ring = line;
}
QgsLineString *lineString = qgsgeometry_cast< QgsLineString *>( ring );
if ( lineString && !lineString->isClosed() )
{
lineString->close();
}
mExteriorRing.reset( ring );
//set proper wkb type
setZMTypeFromSubGeometry( ring, QgsWkbTypes::Polygon );
//match dimensionality for rings
for ( QgsCurve *ring : qgis::as_const( mInteriorRings ) )
{
ring->convertTo( mExteriorRing->wkbType() );
}
clearCache();
}
void QgsTriangle::setExteriorRing( QgsCurve *ring )
{
if ( !ring )
{
return;
}
if ( ring->hasCurvedSegments() )
{
//need to segmentize ring as polygon does not support curves
QgsCurve *line = ring->segmentize();
delete ring;
ring = line;
}
if ( ( ring->numPoints() > 4 ) || ( ring->numPoints() < 3 ) )
{
delete ring;
return;
}
else if ( ring->numPoints() == 4 )
{
if ( !ring->isClosed() )
{
delete ring;
return;
}
}
else if ( ring->numPoints() == 3 )
{
if ( ring->isClosed() )
{
delete ring;
return;
}
QgsLineString *lineString = static_cast< QgsLineString *>( ring );
if ( !lineString->isClosed() )
{
lineString->close();
}
ring = lineString;
}
if ( !validateGeom( ring->vertexAt( QgsVertexId( 0, 0, 0 ) ), ring->vertexAt( QgsVertexId( 0, 0, 1 ) ), ring->vertexAt( QgsVertexId( 0, 0, 2 ) ) ) )
{
delete ring;
return;
}
mExteriorRing.reset( ring );
//set proper wkb type
setZMTypeFromSubGeometry( ring, QgsWkbTypes::Triangle );
clearCache();
}
void QgsMapToolCapture::validateGeometry()
{
QgsSettings settings;
if ( settings.value( QStringLiteral( "qgis/digitizing/validate_geometries" ), 1 ).toInt() == 0 )
return;
if ( mValidator )
{
mValidator->deleteLater();
mValidator = nullptr;
}
mGeomErrors.clear();
while ( !mGeomErrorMarkers.isEmpty() )
{
delete mGeomErrorMarkers.takeFirst();
}
QgsGeometry geom;
switch ( mCaptureMode )
{
case CaptureNone:
case CapturePoint:
return;
case CaptureLine:
if ( size() < 2 )
return;
geom = QgsGeometry( mCaptureCurve.curveToLine() );
break;
case CapturePolygon:
if ( size() < 3 )
return;
QgsLineString *exteriorRing = mCaptureCurve.curveToLine();
exteriorRing->close();
QgsPolygon *polygon = new QgsPolygon();
polygon->setExteriorRing( exteriorRing );
geom = QgsGeometry( polygon );
break;
}
if ( geom.isNull() )
return;
QgsGeometry::ValidationMethod method = QgsGeometry::ValidatorQgisInternal;
if ( settings.value( QStringLiteral( "qgis/digitizing/validate_geometries" ), 1 ).toInt() == 2 )
method = QgsGeometry::ValidatorGeos;
mValidator = new QgsGeometryValidator( geom, nullptr, method );
connect( mValidator, &QgsGeometryValidator::errorFound, this, &QgsMapToolCapture::addError );
mValidator->start();
QgsDebugMsgLevel( QStringLiteral( "Validation started" ), 4 );
}
