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本文档使用 PHP中文网手册 发布
(PECL imagick 2.0.0)
Imagick::compareImageLayers — Returns the maximum bounding region between images
$method
)Compares each image with the next in a sequence and returns the maximum bounding region of any pixel differences it discovers. 此方法在Imagick基于ImageMagick 6.2.9以上版本编译时可用。
method
One of the layer method constants.
成功时返回 TRUE
。
错误时抛出 ImagickException。
Example #1 Using Imagick::compareImageLayers()
Comparing image layers
<?php
$im = new Imagick ( "test.gif" );
$result = $im -> compareImageLayers ( imagick :: LAYERMETHOD_COALESCE );
?>