$seg_para_a = new \Maths\Geometry\Point(-1, 2);
$seg_para_b = new \Maths\Geometry\Point(1, 4);
$seg_para_1 = new \Maths\Geometry\Segment($seg_para_a, $seg_para_b);
$jxg->drawSegment($seg_para_1);
$seg_para_c = new \Maths\Geometry\Point(-2.5, 2.5);
$seg_para_d = new \Maths\Geometry\Point(2, 7);
$seg_para_2 = new \Maths\Geometry\Segment($seg_para_c, $seg_para_d);
$jxg->drawSegment($seg_para_2);
$seg_para_e = new \Maths\Geometry\Point(1, -1);
$seg_para_f = new \Maths\Geometry\Point(3, 2);
$seg_para_3 = new \Maths\Geometry\Segment($seg_para_e, $seg_para_f);
$jxg->drawSegment($seg_para_3);
$seg_para_1->rearrange();
$seg_para_2->rearrange();
$abs = array($seg_para_1->getPointA()->getAbscissa(), $seg_para_1->getPointB()->getAbscissa(), $seg_para_2->getPointA()->getAbscissa(), $seg_para_2->getPointB()->getAbscissa());
$ords = array($seg_para_1->getPointA()->getOrdinate(), $seg_para_1->getPointB()->getOrdinate(), $seg_para_2->getPointA()->getOrdinate(), $seg_para_2->getPointB()->getOrdinate());
$e = new \Maths\Geometry\Point(max($abs) + abs(min($abs)) - 2, max($ords) + abs(min($ords)) - 6);
$jxg->drawPoint($e, array('color' => '#00ff00'));
$segAE = new \Maths\Geometry\Segment($seg_para_1->getPointA(), $e);
$segBE = new \Maths\Geometry\Segment($seg_para_1->getPointB(), $e);
$intersectCE = \Maths\Maths::getLinesIntersection($segAE, $seg_para_2);
$segCE = new \Maths\Geometry\Segment($intersectCE, $e);
$intersectDE = \Maths\Maths::getLinesIntersection($segBE, $seg_para_2);
$segDE = new \Maths\Geometry\Segment($intersectDE, $e);
$jxg->drawSegment($segAE, array('color' => '#00ff00'));
$jxg->drawSegment($segBE, array('color' => '#00ff00'));
/*
$ok = \Maths\Maths::areParallels($seg_para_1, $seg_para_2);
$ok = \Maths\Maths::areParallels($seg_para_1, $seg_para_3);
*/
echo $jxg;
