From: mohamnag at gmail dot com Operating system: Ubuntu Gusty PHP version: 5.2.5 PHP Bug Type: GD related Bug description: Problem in displaying right to left connected languages (like persian, arabic)
Description: ------------ There is an issue displaying Persian characters in GD generated images. In persian, characters are arranged right to left (I mean first char is the most right hand arranged one). In addition characters are connected. For example while ی and ک are being written when separated, they should be written یک when connected. So not only they should be arranged right to left but also the shape of characters change during connections. However displaying text using GD don't arrange persian characters right to left nor connects them correctly. Some persian developers have made a php function which corrects the problem here: http://persiangd.berlios.de/doku.php but I think it should be solved globally in the original lib. Reproduce code: --------------- header("Content-type: image/png"); //uncomment to correct issue: //include("fagd.php"); $text="یک"; $im = imagecreate(800, 40); // Create some colors $white = imagecolorallocate($im, 255, 255, 255); $grey = imagecolorallocate($im, 128, 128, 128); $black = imagecolorallocate($im, 0, 0, 0); //uncomment to correct issue: //$text = fagd($string,'fa'); $font = dirname(__FILE__).'/tahoma.ttf'; // Add the text imagettftext($im, 20, 0, 20, 25, $black, $font,$text); imagepng($im); imagedestroy($im); Expected result: ---------------- this is an image displaying the correct output resulting from passing the text to imagettftext(), after being parsed using the fagd() function (provided by persian developers to correct the issue): http://khone.ir/test/t2.png Actual result: -------------- this is an image displaying the problematic view resulting from direct input of persian text to imagettftext(): http://khone.ir/test/t1.png -- Edit bug report at http://bugs.php.net/?id=43899&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=43899&r=trysnapshot44 Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=43899&r=trysnapshot52 Try a CVS snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=43899&r=trysnapshot53 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=43899&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=43899&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=43899&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=43899&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=43899&r=needscript Try newer version: http://bugs.php.net/fix.php?id=43899&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=43899&r=support Expected behavior: http://bugs.php.net/fix.php?id=43899&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=43899&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=43899&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=43899&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=43899&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=43899&r=dst IIS Stability: http://bugs.php.net/fix.php?id=43899&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=43899&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=43899&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=43899&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=43899&r=mysqlcfg
