Title to image convert problem !!!

[winpeace]

When I convert title to image site character broken.My language turkish(ISO-8859-9).Problem characters are ş-ı-ğ.The font is turkish.How am I solved this problem?


system_function_title.php

<?


    header("Content-type: image/png");
    header("Content-Disposition: inline; filename=" . $file);    
      header("Content-Type: text/xml; charset =ISO-8859-9"); 



      // create the test to get width first ...
    $test             = imagecreate($image_width, $image_height);
    $back             = imagecolorallocate($test, $back_color[0]    , $back_color[1]    , $back_color[2]    );
    $front             = imagecolorallocate($test, $front_color[0]    , $front_color[1]    , $front_color[2]    );
    $image_text        = imagettftext($test, $font_size, 0, $position_left, $position_top, $front, $font_file, $text);
    $image_width    = $image_text[2] - $image_text[0] + 20;                  
    imagedestroy($test);




      // now this is the serious image ... 
    $im             = imagecreate($image_width + 2 * $position_left, $image_height);
    $back             = imagecolorallocate($im, $back_color[0]    , $back_color[1]    , $back_color[2]    );
    $front             = imagecolorallocate($im, $front_color[0]    , $front_color[1]    , $front_color[2]    );

       imagefilledrectangle($im, 0, 0, $image_width, $image_height, $back );
    imagecolortransparent($im, $back);

    $image_text        = imagettftext($im, $font_size, 0, $position_left, $position_top, $front, $font_file, $text);
    $image_width    = $image_text[2] - $image_text[0];                  
    
    imagepng($im);
    imagedestroy($im);



?>

File

<?

    include("setting.php");

    $title            = str_replace("\'", "'", $title);

    $file            = "$title.png";
    $text            = html_entity_decode($title, ENT_QUOTES);
    $back_color        = array(255, 255, 255);    // (red, green, blue)
    $front_color    = array(193 , 0 , 0);    // (red, green, blue)

    $font_file         = 'files/font/1.ttf';
    $font_size         = 18;
    
    $image_width    = (strlen($text)) * ($font_size - 1) + 20;
    $image_height    = 30;
    
    
    $position_left    = 0;
    $position_top    = 20;
    
    include("system_function_title.php");



?>

[Jesdisciple]

Here's how you can tell PHP about your encoding: mb_internal_encoding('ISO 8859-9')

See also http://en.wikipedia.org/wiki/Help:Turkish_characters for an alternative solution.