Imagick::autoLevelImage
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Imagick::autoLevelImage — Description
Description
public void Imagick::autoLevelImage ([ string $CHANNEL = Imagick::CHANNEL_DEFAULT ] )Adjusts the levels of a particular image channel by scaling the minimum and maximum values to the full quantum range.
Parameters
CHANNEL
Which channel should the auto-levelling should be done on.
Return Values
Examples
Example #1 Imagick::autoLevelImage()
<?php
function?autoLevelImage($imagePath)?{
????$imagick?=?new?\Imagick(realpath($imagePath));
????$imagick->autoLevelImage();
????header("Content-Type:?image/jpg");
????echo?$imagick->getImageBlob();
}
?>← Imagick::appendImages
Imagick::averageImages →
? 1997–2017 The PHP Documentation GroupLicensed under the Creative Commons Attribution License v3.0 or later.
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