#40069 [NEW]: resizing png

From: alex at gateway-productions dot com Operating system: Linux PHP version: 5.2.0 PHP Bug Type: GD related Bug description: resizing png Description: ------------ imagecopyresampled() returns a blank resized image with alpha not the source resized with alpha Reproduce code: --------------- $im = ImageCreateFromPNG($sourcefile); $im_dest = imagecreatetruecolor ($sourcefile_new_width, $sourcefile_new_height); imagealphablending($im_dest, false); imagecopyresampled($im_dest, $im, 0, 0, 0, 0, $sourcefile_width, $sourcefile_height, $sourcefile_new_width, $sourcefile_new_height); imagesavealpha($im_dest, true); imagepng($im_dest, $destfile); imagedestroy($im_dest); Expected result: ---------------- resizing actuall source png while keeping transparency and saving file Actual result: -------------- returns a blank resized image with alpha not the source resized with alpha -- Edit bug report at http://bugs.php.net/?id=40069&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=40069&r=trysnapshot44 Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=40069&r=trysnapshot52 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=40069&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=40069&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=40069&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=40069&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=40069&r=needscript Try newer version: http://bugs.php.net/fix.php?id=40069&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=40069&r=support Expected behavior: http://bugs.php.net/fix.php?id=40069&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=40069&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=40069&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=40069&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=40069&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=40069&r=dst IIS Stability: http://bugs.php.net/fix.php?id=40069&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=40069&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=40069&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=40069&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=40069&r=mysqlcfg