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Imagick::resampleImage

(PECL imagick 2, PECL imagick 3)

Imagick::resampleImageBelirtilen çözünürlüğe göre görüntüyü yeniden örnekler

Açıklama

public Imagick::resampleImage(
    float $x_çözünürlüğü,
    float $y_çözünürlüğü,
    int $süzgeç,
    float $bulanıklık
): bool

Belirtilen çözünürlüğe göre görüntüyü yeniden örnekler.

Değiştirgeler

x_çözünürlüğü

y_çözünürlüğü

süzgeç

bulanıklık

Dönen Değerler

Başarı durumunda true döner.

Örnekler

Örnek 1 - Imagick::resampleImage() örneği

<?php
function resampleImage($imagePath) {
    
$imagick = new \Imagick(realpath($imagePath));

    
$imagick->resampleImage(200200, \Imagick::FILTER_LANCZOS1);
    
header("Content-Type: image/jpg");
    echo 
$imagick->getImageBlob();
}

?>

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User Contributed Notes 3 notes

up
1
simon
5 years ago
Please not that I had extremely high CPU usage using this function on Ubuntu linux 15.10. Switching to the resizeImage function fixed the problem.
up
1
bleighty at dvidshub dot net
7 years ago
Please note that blur of 1 should not affect the image if I'm understanding correctly from this page:
http://www.php.net/manual/en/imagick.resizeimage.php
up
-3
anagai at yahoo dot com
9 years ago
Lets say you want to reduce the resolution of uploaded images for the web.

The following will load a image at whatever resolution and resample it down to 72 dpi and save as a different file.

The dpi for setImageResolution() and resampleImage() should be whatever dpi your resampling too.

<?php
$image
= new Imagick();
$image->readImage('image.jpg');
$image->setImageResolution(72,72);
$image->resampleImage(72,72,imagick::FILTER_UNDEFINED,0);
$image->writeImage('image72.jpg');
?>
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