[PHP-BUG] Bug #51383 [NEW]: gd rendering freetype incorrectly

From:             
Operating system: Redhat ES 5.3
PHP version:      5.3.2
Package:          GD related
Bug Type:         Bug
Bug description:gd rendering freetype incorrectly

Description:
------------
In the test script below, 'a' indicates an input variable that governs the
angle at which the text should be rendered. The test script below renders
fine for a=0. But as you increase a, the letters in the text become
progressively out of alignment until by a=60 the baseline is completely
distorted. By a=160, letters actually overlap.

This problem does not occur on PHP 5.2.6 (in our production environment).


Test script:
---------------
$image = imagecreatetruecolor(500, 500);
$bgcolor = imagecolorallocate($image, 255, 255, 255);
imagefill($image, 0, 0, $bgcolor);

$edgecolor = imagecolorallocate($image, 63, 63, 63);

imagefttext($image, 30, $_GET['a'], 250, 250, $edgecolor, './arial.ttf',
'Services');

header ('Content-type: image/gif');
imagegif($image);


Expected result:
----------------
Expect text to render correctly at all angles.

Actual result:
--------------
Text becomes distorted as angle changes from 0.

-- 
Edit bug report at http://bugs.php.net/bug.php?id=51383&edit=1
-- 
Try a snapshot (PHP 5.2):            http://bugs.php.net/fix.php?id=51383&r=trysnapshot52
Try a snapshot (PHP 5.3):            http://bugs.php.net/fix.php?id=51383&r=trysnapshot53
Try a snapshot (PHP 6.0):            http://bugs.php.net/fix.php?id=51383&r=trysnapshot60
Fixed in SVN:                        http://bugs.php.net/fix.php?id=51383&r=fixed
Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=51383&r=needdocs
Fixed in release:                    http://bugs.php.net/fix.php?id=51383&r=alreadyfixed
Need backtrace:                      http://bugs.php.net/fix.php?id=51383&r=needtrace
Need Reproduce Script:               http://bugs.php.net/fix.php?id=51383&r=needscript
Try newer version:                   http://bugs.php.net/fix.php?id=51383&r=oldversion
Not developer issue:                 http://bugs.php.net/fix.php?id=51383&r=support
Expected behavior:                   http://bugs.php.net/fix.php?id=51383&r=notwrong
Not enough info:                     http://bugs.php.net/fix.php?id=51383&r=notenoughinfo
Submitted twice:                     http://bugs.php.net/fix.php?id=51383&r=submittedtwice
register_globals:                    http://bugs.php.net/fix.php?id=51383&r=globals
PHP 4 support discontinued:          http://bugs.php.net/fix.php?id=51383&r=php4
Daylight Savings:                    http://bugs.php.net/fix.php?id=51383&r=dst
IIS Stability:                       http://bugs.php.net/fix.php?id=51383&r=isapi
Install GNU Sed:                     http://bugs.php.net/fix.php?id=51383&r=gnused
Floating point limitations:          http://bugs.php.net/fix.php?id=51383&r=float
No Zend Extensions:                  http://bugs.php.net/fix.php?id=51383&r=nozend
MySQL Configuration Error:           http://bugs.php.net/fix.php?id=51383&r=mysqlcfg