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(PECL imagick 2.0.0)
Imagick::edgeImage — Enhance edges within the image
$radius
)Enhance edges within the image with a convolution filter of the given radius. Use radius 0 and it will be auto-selected.
radius
The radius of the operation.
成功时返回 TRUE
。
错误时抛出 ImagickException。
Example #1 Imagick::edgeImage()
<?php
function edgeImage ( $imagePath , $radius ) {
$imagick = new \ Imagick ( realpath ( $imagePath ));
$imagick -> edgeImage ( $radius );
header ( "Content-Type: image/jpg" );
echo $imagick -> getImageBlob ();
}
?>