Imagick::setSamplingFactors
(PECL imagick 2, PECL imagick 3)
Imagick::setSamplingFactors — Sets the image sampling factors
Description
public Imagick::setSamplingFactors(array
$factors): boolSets the image sampling factors.
Parameters
-
factors -
Return Values
Returns true on success.
Examples
Example #1 Imagick::setSamplingFactors()
<?php
function setSamplingFactors($imagePath) {
$imagePath = "../imagick/images/FineDetail.png";
$imagick = new \Imagick(realpath($imagePath));
$imagick->setImageFormat('jpg');
$imagick->setSamplingFactors(array('2x2', '1x1', '1x1'));
$compressed = $imagick->getImageBlob();
$reopen = new \Imagick();
$reopen->readImageBlob($compressed);
$reopen->resizeImage(
$reopen->getImageWidth() * 4,
$reopen->getImageHeight() * 4,
\Imagick::FILTER_POINT,
1
);
header("Content-Type: image/jpg");
echo $reopen->getImageBlob();
}
?>
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