Файл: outs/wideimage/Operation/ApplyFilter.php
Строк: 70
<?php
/**
* @author Gasper Kozak
* @copyright 2007-2011
This file is part of WideImage.
WideImage is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
WideImage is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with WideImage; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
* @package Internal/Operations
**/
/**
* ApplyFilter operation class
*
* @package Internal/Operations
*/
class WideImage_Operation_ApplyFilter
{
/**
* A list of filters that only accept one arguments for imagefilter()
*
* @var array
*/
static protected $one_arg_filters = array(IMG_FILTER_SMOOTH, IMG_FILTER_CONTRAST, IMG_FILTER_BRIGHTNESS);
/**
* Executes imagefilter
*
* @param WideImage_Image $image
* @param int $filter
* @param numeric $arg1
* @param numeric $arg2
* @param numeric $arg3
* @return WideImage_TrueColorImage
*/
function execute($image, $filter, $arg1 = null, $arg2 = null, $arg3 = null, $arg4 = null)
{
$new = $image->asTrueColor();
if (in_array($filter, self::$one_arg_filters))
$res = imagefilter($new->getHandle(), $filter, $arg1);
elseif (defined('IMG_FILTER_PIXELATE') && $filter == IMG_FILTER_PIXELATE)
$res = imagefilter($new->getHandle(), $filter, $arg1, $arg2);
elseif ($filter == IMG_FILTER_COLORIZE)
$res = imagefilter($new->getHandle(), $filter, $arg1, $arg2, $arg3, $arg4);
else
$res = imagefilter($new->getHandle(), $filter);
if (!$res)
throw new WideImage_GDFunctionResultException("imagefilter() returned false");
return $new;
}
}