<?php
/**
* This file is NOT a part of WideImage.
* @author Matias Perrone
* @copyleft 2013
* @package Internal/Operations
**/
/**
* Interlace operation class
*
* @package Internal/Operations
*/
class WideImage_Operation_Interlace
{
/**
* Returns a interlaced image
*
* @param WideImage_Image $img
* @param boolean $interlace
* @return WideImage_Image
*/
function execute($img, $interlace = true)
{
$new = $img->copy();
$interlace = ($interlace ? true : false);
if (!imageinterlace($new->getHandle(), $interlace))
throw new WideImage_GDFunctionResultException("imageinterlace() returned false");
return $new;
}
}
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