kekrozsak/vendor/kriswallsmith/assetic/src/Assetic/Filter/JpegoptimFilter.php

82 lines
1.8 KiB
PHP

<?php
/*
* This file is part of the Assetic package, an OpenSky project.
*
* (c) 2010-2012 OpenSky Project Inc
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Assetic\Filter;
use Assetic\Asset\AssetInterface;
use Assetic\Exception\FilterException;
use Symfony\Component\Process\ProcessBuilder;
/**
* Runs assets through Jpegoptim.
*
* @link http://www.kokkonen.net/tjko/projects.html
* @author Kris Wallsmith <kris.wallsmith@gmail.com>
*/
class JpegoptimFilter implements FilterInterface
{
private $jpegoptimBin;
private $stripAll;
private $max;
/**
* Constructor.
*
* @param string $jpegoptimBin Path to the jpegoptim binary
*/
public function __construct($jpegoptimBin = '/usr/bin/jpegoptim')
{
$this->jpegoptimBin = $jpegoptimBin;
}
public function setStripAll($stripAll)
{
$this->stripAll = $stripAll;
}
public function setMax($max)
{
$this->max = $max;
}
public function filterLoad(AssetInterface $asset)
{
}
public function filterDump(AssetInterface $asset)
{
$pb = new ProcessBuilder(array($this->jpegoptimBin));
if ($this->stripAll) {
$pb->add('--strip-all');
}
if ($this->max) {
$pb->add('--max='.$this->max);
}
$pb->add($input = tempnam(sys_get_temp_dir(), 'assetic_jpegoptim'));
file_put_contents($input, $asset->getContent());
$proc = $pb->getProcess();
$proc->run();
if (false !== strpos($proc->getOutput(), 'ERROR')) {
unlink($input);
throw FilterException::fromProcess($proc)->setInput($asset->getContent());
}
$asset->setContent(file_get_contents($input));
unlink($input);
}
}