/**
* {@inheritdoc}
*/
public function apply(ImageInterface $image)
{
return $image->strip();
}
/**
* Re-orient an image using its embedded Exif profile orientation:
* 1. Read the embedded exif data inside the image to determine it's orientation.
* 2. Rotate and flip the image accordingly to re-orient it.
* 3. Strip the Exif data from the image so that there can be no attempt to 'correct' it again.
*
* @param string $path
* @param ImageInterface $image
* @return ImageInterface $image
*/
protected function autoOrient($path, ImageInterface $image)
{
$exif = exif_read_data($path);
if (isset($exif['Orientation'])) {
switch ($exif['Orientation']) {
case 2:
$image->flipHorizontally();
break;
case 3:
$image->rotate(180);
break;
case 4:
$image->flipVertically();
break;
case 5:
$image->flipVertically()->rotate(90);
break;
case 6:
$image->rotate(90);
break;
case 7:
$image->flipHorizontally()->rotate(90);
break;
case 8:
$image->rotate(-90);
break;
}
}
return $image->strip();
}
/**
* Re-orient an image using its embedded Exif profile orientation:
* 1. Attempt to read the embedded exif data inside the image to determine it's orientation.
* if there is no exif data (i.e an exeption is thrown when trying to read it) then we'll
* just return the image as is.
* 2. If there is exif data, we'll rotate and flip the image accordingly to re-orient it.
* 3. Finally, we'll strip the exif data from the image so that there can be no attempt to 'correct' it again.
*
* @param string $path
* @param ImageInterface $image
*
* @return ImageInterface $image
*/
protected function autoOrient($path, ImageInterface $image)
{
if (function_exists('exif_read_data')) {
try {
$exif = exif_read_data($path);
} catch (ErrorException $e) {
return $image;
}
if (isset($exif['Orientation'])) {
switch ($exif['Orientation']) {
case 2:
$image->flipHorizontally();
break;
case 3:
$image->rotate(180);
break;
case 4:
$image->flipVertically();
break;
case 5:
$image->flipVertically()->rotate(90);
break;
case 6:
$image->rotate(90);
break;
case 7:
$image->flipHorizontally()->rotate(90);
break;
case 8:
$image->rotate(-90);
break;
}
}
return $image->strip();
} else {
return $image;
}
}