From:             imprec at gmail dot com
Operating system: Linux
PHP version:      5.5.0
Package:          GD related
Bug Type:         Bug
Bug description:imagerotate may alter image dimensions

Description:
------------
When rotating image with GD, image dimension may be different after the
rotation.

For example, I expect a 320x240 image to be 240x320 after rotation. It may
be 
239x320.

Test script:
---------------
This bug happens with the following script :
(google.png file can be retrieved from
https://raw.github.com/avalanche123/Imagine/develop/tests/Imagine/Fixtures/google.png)

$resource = imagecreatefrompng('google.png');
var_dump(imagesx($resource));
$resource = imagerotate($resource, -90, 0);
var_dump(imagesy($resource));


Expected result:
----------------
int(364)
int(364)

Actual result:
--------------
int(364)
int(363)

-- 
Edit bug report at https://bugs.php.net/bug.php?id=65148&edit=1
-- 
Try a snapshot (PHP 5.4):   
https://bugs.php.net/fix.php?id=65148&r=trysnapshot54
Try a snapshot (PHP 5.3):   
https://bugs.php.net/fix.php?id=65148&r=trysnapshot53
Try a snapshot (trunk):     
https://bugs.php.net/fix.php?id=65148&r=trysnapshottrunk
Fixed in SVN:               https://bugs.php.net/fix.php?id=65148&r=fixed
Fixed in release:           https://bugs.php.net/fix.php?id=65148&r=alreadyfixed
Need backtrace:             https://bugs.php.net/fix.php?id=65148&r=needtrace
Need Reproduce Script:      https://bugs.php.net/fix.php?id=65148&r=needscript
Try newer version:          https://bugs.php.net/fix.php?id=65148&r=oldversion
Not developer issue:        https://bugs.php.net/fix.php?id=65148&r=support
Expected behavior:          https://bugs.php.net/fix.php?id=65148&r=notwrong
Not enough info:            
https://bugs.php.net/fix.php?id=65148&r=notenoughinfo
Submitted twice:            
https://bugs.php.net/fix.php?id=65148&r=submittedtwice
register_globals:           https://bugs.php.net/fix.php?id=65148&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=65148&r=php4
Daylight Savings:           https://bugs.php.net/fix.php?id=65148&r=dst
IIS Stability:              https://bugs.php.net/fix.php?id=65148&r=isapi
Install GNU Sed:            https://bugs.php.net/fix.php?id=65148&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=65148&r=float
No Zend Extensions:         https://bugs.php.net/fix.php?id=65148&r=nozend
MySQL Configuration Error:  https://bugs.php.net/fix.php?id=65148&r=mysqlcfg

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