Imagick::optimizeImageLayers

(PECL imagick 2.0.0)

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

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Imagick::optimizeImageLayers ( void ) : 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. 锟剿凤拷锟斤拷锟斤拷Imagick锟斤拷锟斤拷ImageMagick 6.2.9锟斤拷锟较版本锟斤拷锟斤拷时锟斤拷锟矫★拷

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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);
?>

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