bool LabelPosition::isInConflictSinglePart( LabelPosition* lp )
{
if ( !mGeos )
createGeosGeom();
if ( !lp->mGeos )
lp->createGeosGeom();
GEOSContextHandle_t geosctxt = geosContext();
bool result = ( GEOSPreparedIntersects_r( geosctxt, preparedGeom(), lp->mGeos ) == 1 );
return result;
}
bool LabelPosition::isInConflictSinglePart( LabelPosition* lp )
{
if ( !mGeos )
createGeosGeom();
if ( !lp->mGeos )
lp->createGeosGeom();
GEOSContextHandle_t geosctxt = geosContext();
try
{
bool result = ( GEOSPreparedIntersects_r( geosctxt, preparedGeom(), lp->mGeos ) == 1 );
return result;
}
catch ( GEOSException &e )
{
QgsMessageLog::logMessage( QObject::tr( "Exception: %1" ).arg( e.what() ), QObject::tr( "GEOS" ) );
return false;
}
}
bool LabelPosition::isBorderCrossingLine( PointSet* line ) const
{
if ( !mGeos )
createGeosGeom();
if ( !line->mGeos )
line->createGeosGeom();
GEOSContextHandle_t geosctxt = geosContext();
if ( GEOSPreparedIntersects_r( geosctxt, preparedGeom(), line->mGeos ) == 1 )
{
return true;
}
else if ( nextPart )
{
return nextPart->isBorderCrossingLine( line );
}
return false;
}
