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();
}
