Imagick::opaquePaintImageImagick::optimizeImageLayers
(PECL imagick 2.0.0)
Imagick::optimizeImageLayers — Removes repeated portions of images to optimize
Description
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.
Return Values
Returns TRUE on success.
Errors/Exceptions
Throws ImagickException on error.
Examples
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);
?>
See Also
- Imagick::compareImageLayers() - بازگرداندن بیشترین ناحیه محدود بین تصاویر
- Imagick::writeImages() - نوشتن تصویر به توالی تصاویر
- Imagick::writeImage() - نوشتن تصویر به filename مشخص
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