Просмотр архива spaces-social


<?

class captcha

{

    var $str;

    var $x = 100;

    var $y = 40;

    var $img;

    var $gif=false;

    var $png=false;

    var $jpg=false;



    function captcha($str)

    {

        if (!function_exists('gd_info'))

        {

            header('Location: /style/errors/gd_err.gif');

            exit;

        }

        if (imagetypes() & IMG_PNG)$this->png=true;

        if (imagetypes() & IMG_GIF)$this->gif=true;

        if (imagetypes() & IMG_JPG)$this->jpg=true;

        $this->str=$str;



        $this->img=imagecreatetruecolor($this->x, $this->y);

        imagefill($this->img, 0, 0, imagecolorallocate ($this->img, 255, 255, 255));

    }



    function create()

    {

        for ($i=0; $i<5 ;$i++ ) 

        {

            $n = $this->str{$i};

            if ($this->png)$num[$n]=imagecreatefrompng(H.'/style/captcha/'.$n.'.png');

            elseif ($this->gif)$num[$n]=imagecreatefromgif(H.'/style/captcha/'.$n.'.gif');

            elseif ($this->jpg)$num[$n]=imagecreatefromjpeg(H.'/style/captcha/'.$n.'.jpg');

            imagecopy($this->img, $num[$n], $i*15+10, 8, 0, 0, 15, 20);

        }

    }

    

    function MultiWave()

    {

        include_once H.'sys/inc/MultiWave.php';

        $this->img=MultiWave($this->img);

    }



    function colorize($value=90)

    {

        if (function_exists('imagefilter'))

        imagefilter($this->img, IMG_FILTER_COLORIZE, mt_rand(0, $value), mt_rand(0, $value), mt_rand(0, $value));

    }



    function output($q=50)

    {

        @ob_end_clean();

        if ($this->jpg)

        {

            header("Content-type: image/jpeg");

            imagejpeg($this->img,null,$q);

        }

        elseif ($this->png)

        {

            header("Content-type: image/png");

            imagepng($this->img);

        }

        elseif ($this->gif)

        {

            header("Content-type: image/gif");

            imagegif($this->img);

        }

        exit;

    }

}

?>