Jpegtran.php

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<?php
 
namespace Depage\Graphics\Optimizers;
 
class Jpegtran extends Optimizer
{
    public function __construct($options = array())
    {
        parent::__construct($options);
 
        if (isset($this->options['jpegtran'])) {
            $this->executable = $this->options['jpegtran'];
        }
 
        if (is_null($this->executable)) {
            $this->executable = \Depage\Graphics\Graphics::which("jpegtran");
        }
    }
 
    public function optimize($filename)
    {
        if (!$this->executable) {
            return false;
        }
 
        $this->command = "{$this->executable} -optimize ";
 
        // @todo test for image size and make progressive only upward a specific size of 10k?
        $this->command .= "-progressive ";
        $this->command .= "-copy none ";
        $this->command .= "-outfile " . escapeshellarg($filename);
        $this->command .= " " . escapeshellarg($filename);
 
        return $this->execCommand();
    }
}
 
/* vim:set ft=php sw=4 sts=4 fdm=marker et : */