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<?php
/**
* Copyright 2007-2017 Horde LLC (http://www.horde.org/)
*
* See the enclosed file LICENSE for license information (LGPL). If you
* did not receive this file, see http://www.horde.org/licenses/lgpl21.
*
* @author Michael J. Rubinsky <mrubinsk@horde.org>
* @category Horde
* @license http://www.horde.org/licenses/lgpl21 LGPL-2.1
* @package Image
*/
/**
* Image effect for adding a drop shadow.
*
* @author Michael J. Rubinsky <mrubinsk@horde.org>
* @category Horde
* @copyright 2007-2017 Horde LLC
* @license http://www.horde.org/licenses/lgpl21 LGPL-2.1
* @package Image
*/
class Horde_Image_Effect_Im_DropShadow extends Horde_Image_Effect
{
/**
* Valid parameters: Most are currently ignored for the im version
* of this effect.
*
* @TODO
*
* @var array
*/
protected $_params = array(
'distance' => 5, // This is used as the x and y offset
'width' => 2,
'hexcolor' => '000000',
'angle' => 215,
'fade' => 3, // Sigma value
'padding' => 0,
'background' => 'none'
);
/**
* Applies the effect.
*/
public function apply()
{
$size = $this->_image->getDimensions();
$this->_image->addPostSrcOperation(
'\( +clone -background black -shadow 80x' . (integer)$this->_params['fade']
. '+' . (integer)$this->_params['distance']
. '+' . (integer)$this->_params['distance']
. ' \) +swap -background ' . escapeshellarg($this->_params['background']) . ' -flatten +repage -bordercolor '
. escapeshellarg($this->_params['background'])
. ' -border ' . (integer)$this->_params['padding']
);
$this->_image->clearGeometry();
}
}
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