public function generateRotateAuto(GD $gd)
{
$exif = $this->Exif();
if (!$exif) {
return;
}
$imagePath = $this->owner->getFullPath();
$imageFileExt = strtolower(File::get_file_extension($imagePath));
if (!in_array($imageFileExt, array('jpeg', 'jpg'))) {
return;
}
$orientation = $this->getExifOrientation();
if (!$orientation) {
return;
}
switch ($orientation) {
case 3:
// image upside down
return $gd->rotate(180);
case 6:
// 90 rotate right & switch max sizes
return $gd->rotate(-90);
case 8:
// 90 rotate left & switch max sizes
return $gd->rotate(90);
}
return false;
}
public function generateRotateCounterClockwise(GD $gd)
{
return $gd->rotate(270);
}
public function generateRotatedImage(GD $gd, $angle)
{
return $gd->rotate($angle);
}