From: j-pieper at gmx dot net Operating system: Windows Vista SP1 PHP version: 5.2.6 PHP Bug Type: GD related Bug description: imagepng causes zlib error when quality param is given
Description: ------------ I wanted to create png image with imagepng(). It works fine but when I add third parameter (int $quality) it causes an zlib error. Reproduce code: --------------- <?php $image = imagecreatetruecolor(50, 50); imagepng($image, null, 100); Expected result: ---------------- 50x50px image with white background Actual result: -------------- Warning: imagepng() [function.imagepng]: gd-png: fatal libpng error: zlib error in C:\var\www\laboratory\star\example.php on line 4 Warning: imagepng() [function.imagepng]: gd-png error: setjmp returns error condition in C:\var\www\laboratory\star\example.php on line 4 -- Edit bug report at http://bugs.php.net/?id=46751&edit=1 -- Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=46751&r=trysnapshot52 Try a CVS snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=46751&r=trysnapshot53 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=46751&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=46751&r=fixedcvs Fixed in CVS and need be documented: http://bugs.php.net/fix.php?id=46751&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=46751&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=46751&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=46751&r=needscript Try newer version: http://bugs.php.net/fix.php?id=46751&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=46751&r=support Expected behavior: http://bugs.php.net/fix.php?id=46751&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=46751&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=46751&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=46751&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=46751&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=46751&r=dst IIS Stability: http://bugs.php.net/fix.php?id=46751&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=46751&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=46751&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=46751&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=46751&r=mysqlcfg