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