From: johanp at aditus dot nu
Operating system: Linux
PHP version: 4.4.7
PHP Bug Type: GD related
Bug description: imagefilledarc() incorrect fill for certain start/end angles
Description:
------------
In PHP 4.4.7 imagefilledarc() has a defect filling a full circle when the
start angle is not =0
Reproduce code:
---------------
<?php
$im = imagecreatetruecolor (600, 400);
$black = imagecolorallocate ($im, 0, 0, 0);
$white = imagecolorallocate ($im, 255, 255, 255);
// The following code should show two white circles. But
// only the left arc is displayed
// 360-arc working. (Start angle=0, End Angle=360)
imagefilledarc($im,200,200,200,200,0,360,$white,IMG_ARC_PIE);
// 360-arc __NOT__ working. (Start angle=270, End Angle=630)
imagefilledarc($im,400,200,200,200,270,630,$white,IMG_ARC_PIE);
header ("Content-type: image/png");
imagepng ($im);
?>
Expected result:
----------------
Two white circles on a black canvas
Actual result:
--------------
One white circle on a black canvas
--
Edit bug report at http://bugs.php.net/?id=43010&edit=1
--
Try a CVS snapshot (PHP 4.4):
http://bugs.php.net/fix.php?id=43010&r=trysnapshot44
Try a CVS snapshot (PHP 5.2):
http://bugs.php.net/fix.php?id=43010&r=trysnapshot52
Try a CVS snapshot (PHP 5.3):
http://bugs.php.net/fix.php?id=43010&r=trysnapshot53
Try a CVS snapshot (PHP 6.0):
http://bugs.php.net/fix.php?id=43010&r=trysnapshot60
Fixed in CVS: http://bugs.php.net/fix.php?id=43010&r=fixedcvs
Fixed in release:
http://bugs.php.net/fix.php?id=43010&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=43010&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=43010&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=43010&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=43010&r=support
Expected behavior: http://bugs.php.net/fix.php?id=43010&r=notwrong
Not enough info:
http://bugs.php.net/fix.php?id=43010&r=notenoughinfo
Submitted twice:
http://bugs.php.net/fix.php?id=43010&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=43010&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=43010&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=43010&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=43010&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=43010&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=43010&r=float
No Zend Extensions: http://bugs.php.net/fix.php?id=43010&r=nozend
MySQL Configuration Error: http://bugs.php.net/fix.php?id=43010&r=mysqlcfg
