public function testAddPolygon()
{
$i = new Imagick(__DIR__ . '/../tmp/test.jpg');
$points = array(array('x' => 320, 'y' => 50), array('x' => 400, 'y' => 100), array('x' => 420, 'y' => 200), array('x' => 280, 'y' => 320), array('x' => 200, 'y' => 180));
$i->setStrokeColor(new Rgb(0, 0, 0))->setStrokeWidth(5)->drawPolygon($points);
$i->setBackgroundColor(new Rgb(255, 0, 0));
$i->drawPolygon($points);
$i->setFillColor(new Rgb(255, 0, 0));
$i->drawPolygon($points);
$this->assertEquals(640, $i->getWidth());
}