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Bug #43547 imagefilledarc has a defect filling
Submitted: 2007-12-09 20:44 UTC Modified: 2015-05-07 18:16 UTC
Votes:1
Avg. Score:4.0 ± 0.0
Reproduced:1 of 1 (100.0%)
Same Version:1 (100.0%)
Same OS:1 (100.0%)
From: stas at metalinfo dot ru Assigned: pajoye (profile)
Status: Closed Package: GD related
PHP Version: 5.2.5 OS: WinXP
Private report: No CVE-ID: None
View Developer Edit
 [2007-12-09 20:44 UTC] stas at metalinfo dot ru 
Description:
------------
imagefilledarc has a defect filling on Win XP, Works fine on Linux system

Reproduce code:
---------------
$im = imagecreatetruecolor (600, 400);

$corRad = 60;

$rectFillColor = imagecolorallocate ($im, 255, 255, 255); 
imagefilledrectangle($im, 0, 400-$corRad, $corRad, 600-$corRad, $rectFillColor); 

$arcFillColor = imagecolorallocate ($im, 0, 0, 0);
imagecolortransparent($im, $arcFillColor);

imagefilledarc($im,$corRad,400-$corRad,$corRad*2,$corRad*2,90,180,$arcFillColor,IMG_ARC_PIE);

header ("Content-type: image/jpeg");
imagejpeg($im);

Expected result:
----------------
Rounded right bottom corner

Actual result:
--------------
Uploaded buggy result image is here http://ww9.ru/foo.jpg

Because of invalid fill ther is a black line on the right bottom corner

Patches

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 [2007-12-09 21:12 UTC] pajoye@php.net 
I can reproduce on all platforms. 

Which gd library do you use with your extension linux? Bundled or external? If external, which version on which linux?

The bug seems to be in the polygon function, the clipping looks like the cause.

What you are looking (as a "work 'round") may be:

imagefilledarc($im,$corRad, 399-$corRad, $corRad*2,$corRad*2, 90, 180, $arcFillColor, IMG_ARC_PIE);

As the actual postion of the last line is 399, not 400. But the bug is valid > assigned.
 [2007-12-10 06:40 UTC] stas at metalinfo dot ru 
Works fine on my hosting company machine 
PHP Version 5.2.5
Server API CGI
Apache/1.3.37 
Linux saturn 2.6.22-NX.13-saturn #2
GD Version 	bundled (2.0.34 compatible)
 [2008-11-02 13:22 UTC] jani@php.net 
Please try using this CVS snapshot:

  http://snaps.php.net/php5.2-latest.tar.gz
 
For Windows:

  http://windows.php.net/snapshots/
 [2008-11-10 01:00 UTC] php-bugs at lists dot php dot net 
No feedback was provided for this bug for over a week, so it is
being suspended automatically. If you are able to provide the
information that was originally requested, please do so and change
the status of the bug back to "Open".
 [2015-05-07 18:16 UTC] cmb@php.net
-Status: Assigned +Status: Closed
 [2015-05-07 18:16 UTC] cmb@php.net 
This bug has been fixed in the meantime, see
<http://i.imgur.com/wmAJjIY.jpg> (created with [GD Version] =>
bundled (2.1.0 compatible)).
 
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