In imagick 3.x (have not checked 2.x), this returns an imagemagick object and not a boolean.
<?php
$image = new Imagick('myanimation.gif');
$image = $image->optimizeImageLayers(); //Does not return a boolean!
$image->writeImage('optimized.gif');
Imagick::optimizeImageLayers
(PECL imagick 2.0.0)
Imagick::optimizeImageLayers — Removes repeated portions of images to optimize
Beskrivelse
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. This method is available if Imagick has been compiled against ImageMagick version 6.2.9 or newer.
Returnerings Værdier
Returns TRUE on success.
Fejl/Undtagelser
Throws ImagickException on error.
Eksempler
Eksempel #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);
?>
Se også
- Imagick::compareImageLayers() - Returns the maximum bounding region between images
- Imagick::writeImages() - Writes an image or image sequence
- Imagick::writeImage() - Writes an image to the specified filename
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User Contributed Notes 1 note
f21 dot groups at gmail dot com ¶
10 years ago
