#41624 [NEW]: Alpha channel lost when using imagerotate

From: matthijs at hendrikx-itc dot nl Operating system: Any PHP version: 5.2.3 PHP Bug Type: GD related Bug description: Alpha channel lost when using imagerotate Description: ------------ When using imagerotate to rotate an image with an alpha channel, imagerotate removes the alpha channel. Reproduce code: --------------- https://hitc5.hendrikx-itc.nl/phpbug/ Expected result: ---------------- A rotated image with alpha channel, thus being transparent. Actual result: -------------- An opaque rotated image. -- Edit bug report at http://bugs.php.net/?id=41624&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=41624&r=trysnapshot44 Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=41624&r=trysnapshot52 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=41624&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=41624&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=41624&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=41624&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=41624&r=needscript Try newer version: http://bugs.php.net/fix.php?id=41624&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=41624&r=support Expected behavior: http://bugs.php.net/fix.php?id=41624&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=41624&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=41624&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=41624&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=41624&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=41624&r=dst IIS Stability: http://bugs.php.net/fix.php?id=41624&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=41624&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=41624&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=41624&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=41624&r=mysqlcfg