(No version information available, might be only in CVS)
Imagick::optimizeImageLayers — Removes repeated portions of images to optimize
This function is currently not documented; only its argument list is available.
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.
Returns TRUE on success.
Throws ImagickException on error.