/**
* Update the focus after update.
*
* @param MediaInterface $media
*/
public function updateFocus(MediaInterface $media)
{
$originalFocusLeftPx = $media->getFocusLeft() * $media->getWidth() / 100;
$newFocusLeftPx = $originalFocusLeftPx - $this->x;
$newFocusLeft = $newFocusLeftPx * 100 / $this->w;
if ($newFocusLeft < 0) {
$newFocusLeft = 0;
}
if ($newFocusLeft > 100) {
$newFocusLeft = 100;
}
$media->setFocusLeft($newFocusLeft);
$originalFocusTopPx = $media->getFocusTop() * $media->getHeight() / 100;
$newFocusTopPx = $originalFocusTopPx - $this->y;
$newFocusTop = $newFocusTopPx * 100 / $this->h;
if ($newFocusTop < 0) {
$newFocusTop = 0;
}
if ($newFocusTop > 100) {
$newFocusTop = 100;
}
$media->setFocusTop($newFocusTop);
}
