Php/docs/imagick.autolevelimage
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Imagick::autoLevelImage
(PECL imagick 3 >= 3.3.0)
Imagick::autoLevelImage — Description
Description
public Imagick::autoLevelImage
([ int $channel = Imagick::CHANNEL_DEFAULT
] ) : bool
Adjusts the levels of a particular image channel by scaling the minimum and maximum values to the full quantum range.
Parameters
channel- Which channel should the auto-levelling should be done on.
Return Values
Returns TRUE on success.
Examples
Example #1 Imagick::autoLevelImage()
<?phpfunction autoLevelImage($imagePath) { $imagick = new \Imagick(realpath($imagePath)); $imagick->autoLevelImage(); header("Content-Type: image/jpg"); echo $imagick->getImageBlob();}?>
