/**
* @return ErrorDrawer
**/
public function draw($string = 'ERROR!')
{
if (!ErrorDrawer::isDrawError()) {
return $this;
}
$y = round($this->turingImage->getHeight() / 2 - imagefontheight(ErrorDrawer::FONT_SIZE) / 2);
$textWidth = imagefontwidth(ErrorDrawer::FONT_SIZE) * strlen($string);
if ($this->turingImage->getWidth() > $textWidth) {
$x = round(($this->turingImage->getWidth() - $textWidth) / 2);
} else {
$x = 0;
}
$color = $this->turingImage->getOneCharacterColor();
imagestring($this->turingImage->getImageId(), ErrorDrawer::FONT_SIZE, $x, $y, $string, $color);
return $this;
}
/**
* @return TextDrawer
**/
protected function showError()
{
$drawer = new ErrorDrawer($this->getTuringImage());
$drawer->draw();
return $this;
}