#34980 [NEW]: imageconvolution ignoring div and offset

From: jaanus at underwerks dot com Operating system: Linux 2.6.13 PHP version: 5.1.0RC3 PHP Bug Type: GD related Bug description: imageconvolution ignoring div and offset Description: ------------ imageconvolution ignores the values supplied for div and offset. Basically it works as if div=1 and offset=0. The formula for the conversion has been chacked in photoshop, and should work as intended. Reproduce code: --------------- <?PHP $img=imagecreatefromjpeg("image.jpg"); imageconvolution($img,array(array(-1,-1,-1),array(-1,16,-1),array(-1,-1,-1)), 8,0); imagejpeg($img,"test.jpg"); ?> Expected result: ---------------- Sharpened image that retains normal color etc. Actual result: -------------- Eccsessivly sharpened image, mostly white with some color in the high-contrast areas. -- Edit bug report at http://bugs.php.net/?id=34980&edit=1 -- Try a CVS snapshot (php4): http://bugs.php.net/fix.php?id=34980&r=trysnapshot4 Try a CVS snapshot (php5.0): http://bugs.php.net/fix.php?id=34980&r=trysnapshot50 Try a CVS snapshot (php5.1): http://bugs.php.net/fix.php?id=34980&r=trysnapshot51 Fixed in CVS: http://bugs.php.net/fix.php?id=34980&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=34980&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=34980&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=34980&r=needscript Try newer version: http://bugs.php.net/fix.php?id=34980&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=34980&r=support Expected behavior: http://bugs.php.net/fix.php?id=34980&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=34980&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=34980&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=34980&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=34980&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=34980&r=dst IIS Stability: http://bugs.php.net/fix.php?id=34980&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=34980&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=34980&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=34980&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=34980&r=mysqlcfg