void QgsMapToolCapture::validateGeometry()
{
QSettings settings;
if ( settings.value( "/qgis/digitizing/validate_geometries", 1 ).toInt() == 0 )
return;
if ( mValidator )
{
mValidator->deleteLater();
mValidator = 0;
}
mTip = "";
mGeomErrors.clear();
while ( !mGeomErrorMarkers.isEmpty() )
{
delete mGeomErrorMarkers.takeFirst();
}
QgsGeometry *g = 0;
switch ( mCaptureMode )
{
case CaptureNone:
case CapturePoint:
return;
case CaptureLine:
if ( size() < 2 )
return;
g = new QgsGeometry( mCaptureCurve.curveToLine() );
break;
case CapturePolygon:
if ( size() < 3 )
return;
QgsLineStringV2* exteriorRing = mCaptureCurve.curveToLine();
exteriorRing->close();
QgsPolygonV2* polygon = new QgsPolygonV2();
polygon->setExteriorRing( exteriorRing );
g = new QgsGeometry( polygon );
break;
}
if ( !g )
return;
mValidator = new QgsGeometryValidator( g );
connect( mValidator, SIGNAL( errorFound( QgsGeometry::Error ) ), this, SLOT( addError( QgsGeometry::Error ) ) );
connect( mValidator, SIGNAL( finished() ), this, SLOT( validationFinished() ) );
mValidator->start();
QStatusBar *sb = QgisApp::instance()->statusBar();
sb->showMessage( tr( "Validation started." ) );
delete g;
}
QgsAbstractGeometryV2* QgsGeometryImport::fromPolygon( const QgsPolygon& polygon )
{
QgsPolygonV2* poly = new QgsPolygonV2();
QList<QgsCurveV2*> holes;
for ( int i = 0; i < polygon.size(); ++i )
{
QgsLineStringV2* l = linestringFromPolyline( polygon.at( i ) );
l->close();
if ( i == 0 )
{
poly->setExteriorRing( l );
}
else
{
holes.push_back( l );
}
}
poly->setInteriorRings( holes );
return poly;
}