Rotates image specified number of degrees
| public rotateImageNDegrees ( integer $degrees ) : GdThumb | ||
| $degrees | integer | |
| return | GdThumb | |
public function rotateJpg(&$that)
{
$this->parentInstance = $that;
// Test if exif is installed
if (!is_callable('exif_read_data')) {
return $that;
}
// Exif couldn't do it's thing. Suppressing errors on it cause it
// does a non-exception error if it can't read the image.
$exif = @exif_read_data($this->parentInstance->getFilename());
// There is no orientation data, so exit
if (empty($exif['Orientation'])) {
return $that;
}
// Act on orientation info
switch ($exif['Orientation']) {
case 1:
// nothing
break;
case 2:
//code here
break;
case 3:
// 180 rotate left
$this->parentInstance->rotateImageNDegrees(180);
break;
case 4:
// vertical flip
//
break;
case 5:
// vertical flip + 90 rotate right
//
break;
case 6:
// 90 rotate right
$this->parentInstance->rotateImageNDegrees(-90);
break;
case 7:
// horizontal flip + 90 rotate right
//
break;
case 8:
// 90 rotate left
$this->parentInstance->rotateImageNDegrees(90);
break;
}
return $that;
}
public function rotate($value)
{
if (ctype_digit($value)) {
return parent::rotateImageNDegrees($value);
} else {
return parent::rotateImage($value);
}
}
public function rotateJpg(&$that)
{
$this->parentInstance = $that;
$exif = exif_read_data($this->parentInstance->getFilename());
switch ($exif['Orientation']) {
case 1:
// nothing
break;
case 2:
//code here
break;
case 3:
// 180 rotate left
$this->parentInstance->rotateImageNDegrees(180);
break;
case 4:
// vertical flip
//
break;
case 5:
// vertical flip + 90 rotate right
//
break;
case 6:
// 90 rotate right
$this->parentInstance->rotateImageNDegrees(-90);
break;
case 7:
// horizontal flip + 90 rotate right
//
break;
case 8:
// 90 rotate left
$this->parentInstance->rotateImageNDegrees(90);
break;
}
return $that;
}
