The Imagick class
PHP Manual

Imagick::optimizeImageLayers

(PECL imagick 2.0.0)

Imagick::optimizeImageLayersRemoves repeated portions of images to optimize

Описание

bool Imagick::optimizeImageLayers ( void )

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. Този метод съществува ако Imagick е била компилирана за версия 6.2.9 на ImageMagick или по-нова.

Връщани стойности

Връща TRUE при успех.

Грешки/Изключения

Хвърля ImagickException при грешка.

Примери

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);
?>

Вж. също


The Imagick class
PHP Manual