php.net |  support |  documentation |  report a bug |  advanced search |  search howto |  statistics |  random bug |  login

go to bug id or search bugs for

Bug #78923 Artifacts when convoluting image with transparency
Submitted: 2019-12-07 10:57 UTC Modified: 2019-12-07 11:07 UTC
From: cmb@php.net Assigned: cmb (profile)
Status: Closed Package: GD related
PHP Version: 7.3.12 OS: *
Private report: No CVE-ID: None
View Developer Edit
Welcome back! If you're the original bug submitter, here's where you can edit the bug or add additional notes.
If you forgot your password, you can retrieve your password here.
Password:
Status:
Package:
Bug Type:
Summary:
From: cmb@php.net
New email:
PHP Version: OS:

 

 [2019-12-07 10:57 UTC] cmb@php.net 
Description:
------------
If gdImageConvolution() is applied to an image with a transparent
background, there can be black pixel artifacts (at the upper edge
of opaque parts, and at the top left of the image), what appears
to be a bug.

Test script:
---------------
ext/gd/tests/bug47946.phpt


Expected result:
----------------
No black pixels


Actual result:
--------------
Black pixel artifacts

Patches

Pull Requests

Pull requests:

History

AllCommentsChangesGit/SVN commitsRelated reports
 [2019-12-07 10:58 UTC] cmb@php.net 
The following pull request has been associated:

Patch Name: ext/gd: fix new_a init error in gdImageConvolution()
On GitHub:  https://github.com/php/php-src/pull/4978
Patch:      https://github.com/php/php-src/pull/4978.patch
 [2019-12-07 11:07 UTC] cmb@php.net
-Assigned To: +Assigned To: cmb
 [2019-12-07 11:10 UTC] cmb@php.net 
Automatic comment on behalf of willson.chenwx@gmail.com
Revision: http://git.php.net/?p=php-src.git;a=commit;h=b5d2cbe02739a0c9b16e7b37ce44e71d1d657daa
Log: Fix #78923: Artifacts when convoluting image with transparency
 [2019-12-07 11:10 UTC] cmb@php.net
-Status: Assigned +Status: Closed
 
PHP Copyright © 2001-2024 The PHP Group
All rights reserved. 		Last updated: Thu Nov 21 12:01:29 2024 UTC