array ( 0 => 'index.php', 1 => 'PHP Manual', ), 'head' => array ( 0 => 'UTF-8', 1 => 'it', ), 'this' => array ( 0 => 'imagick.optimizeimagelayers.php', 1 => 'Imagick::optimizeImageLayers', 2 => 'Removes repeated portions of images to optimize', ), 'up' => array ( 0 => 'class.imagick.php', 1 => 'Imagick', ), 'prev' => array ( 0 => 'imagick.opaquepaintimage.php', 1 => 'Imagick::opaquePaintImage', ), 'next' => array ( 0 => 'imagick.orderedposterizeimage.php', 1 => 'Imagick::orderedPosterizeImage', ), 'alternatives' => array ( ), 'source' => array ( 'lang' => 'en', 'path' => 'reference/imagick/imagick/optimizeimagelayers.xml', ), 'history' => array ( ), ); $setup["toc"] = $TOC; $setup["toc_deprecated"] = $TOC_DEPRECATED; $setup["parents"] = $PARENTS; manual_setup($setup); contributors($setup); ?>

Imagick::optimizeImageLayers

(PECL imagick 2, PECL imagick 3)

Imagick::optimizeImageLayers — Removes repeated portions of images to optimize

Descrizione

public Imagick::optimizeImageLayers(): bool

Compares each image the GIF disposed forms of the previous image in the sequence. From this it attempts to select the smallest cropped image to replace each frame, while preserving the results of the animation. Questo metodo è disponibile se Imagick è stato compilato con ImageMagick versione 6.2.9 o successive.

Elenco dei parametri

Questa funzione non contiene parametri.

Valori restituiti

Restituisce true in caso di successo.

Errori/Eccezioni

Lancia una ImagickException in caso di errore.

Esempi

Example #1 Using Imagick::optimizeImageLayers()

Reading, optimizing and writing a GIF image

<?php
/* create new imagick object */
$im = new Imagick("test.gif");

/* optimize the image layers */
$im->optimizeImageLayers();

/* write the image back */
$im->writeImages("test_optimized.gif", true);
?>

Vedere anche: