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Bug #50958 imagettftext() Kerning errors
Submitted: 2010-02-07 23:42 UTC Modified: 2010-02-08 02:32 UTC
From: sks76543210 at gmail dot com Assigned:
Status: Not a bug Package: GD related
PHP Version: 5.3SVN-2010-02-07 (snap) OS: CentOS 5
Private report: No CVE-ID: None
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 [2010-02-07 23:42 UTC] sks76543210 at gmail dot com 
Description:
------------
Text created with imagettftext() has kerning (letter-spacing) errors

Reproduce code:
---------------
Please see http://www.yessum.org/gdbug/ for example images, fonts used, and sample php script. Entire test case is tar'ed at http://www.yessum.org/gdbug.tar.gz

In PHP 5.1.6, with GD version "bundled (2.0.28 compatible)", the test images did not have any kerning errors.

In the php5.3-201002071530 snapshot with GD version "bundled (2.0.34 compatible)", the text on the images is not displayed properly, especially evident in http://www.yessum.org/gdbug/scriptina-php-5.3.3-dev-gd-2.0.34.png but there are less noticeable errors in http://www.yessum.org/gdbug/times-new-roman-php-5.3.3-dev-gd-2.0.34.png as well.

Expected result:
----------------
imagettftext() should continue displaying text as it did in PHP 5.1.6 with GD 2.0.28

Actual result:
--------------
imagettftext() has kerning errors making the text completely illegible in some cases

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 [2010-02-07 23:45 UTC] sks76543210 at gmail dot com 
To summarize:
These are correct
http://www.yessum.org/gdbug/scriptina-php-5.1.6-gd-2.0.28.png
http://www.yessum.org/gdbug/times-new-roman-php-5.1.6-gd-2.0.28.png

These are incorrect
http://www.yessum.org/gdbug/scriptina-php-5.3.3-dev-gd-2.0.34.png
http://www.yessum.org/gdbug/times-new-roman-php-5.3.3-dev-gd-2.0.34.png
 [2010-02-07 23:51 UTC] sks76543210 at gmail dot com 
My Apologies, this may be a duplicate of http://bugs.php.net/bug.php?id=50194
 [2010-02-08 02:32 UTC] aharvey@php.net 
It does indeed look like the same issue. Dupeing.
 
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