Imagick::opaquePaintImageImagick::optimizeImageLayers
(PECL imagick 2.0.0)
Imagick::optimizeImageLayers — Removes repeated portions of images to optimize
Descrierea
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. Această metodă este disponibilă dacă Imagick a fost compilat cu ImageMagick de versiunea 6.2.9 sau ulterior.
Valorile întoarse
Întoarce TRUE în caz de succes.
Erori/Excepții
Emite ImagickException în caz de eroare.
Exemple
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);
?>
Vedeți de asemenea
- 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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