array ( 0 => 'index.php', 1 => 'PHP Manual', ), 'head' => array ( 0 => 'UTF-8', 1 => 'zh', ), 'this' => array ( 0 => 'gmagick.edgeimage.php', 1 => 'Gmagick::edgeimage', ), 'up' => array ( 0 => 'class.gmagick.php', 1 => 'Gmagick', ), 'prev' => array ( 0 => 'gmagick.drawimage.php', 1 => 'Gmagick::drawimage', ), 'next' => array ( 0 => 'gmagick.embossimage.php', 1 => 'Gmagick::embossimage', ), 'alternatives' => array ( ), 'source' => array ( 'lang' => 'en', 'path' => 'reference/gmagick/gmagick/edgeimage.xml', ), ); $setup["toc"] = $TOC; $setup["toc_deprecated"] = $TOC_DEPRECATED; $setup["parents"] = $PARENTS; manual_setup($setup); ?>
(PECL gmagick >= Unknown)
Gmagick::edgeimage — Enhance edges within the image
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.
The Gmagick object with edges enhanced.
错误时抛出 GmagickException。