Bug #78133 [NEW]: Can't draw big ellipse

From: jkarczm at gmail dot com Operating system: Windows PHP version: 7.3.6 Package: GD related Bug Type: Bug Bug description:Can't draw big ellipse Description: ------------ imagefilledellipse draws a distorted shape when the size is big enough Test script: --------------- // Ellipse looks fine - size 500x500 $image = imagecreatetruecolor(500, 500); $color = imagecolorallocate($image, 255, 0, 0); imagefilledellipse($image, 250, 250, 500, 500, $color); imagepng($image, 'D:/pass.png'); imagedestroy($image); // Ellipse is distorted - size 5000x5000 $image = imagecreatetruecolor(5000, 5000); $color = imagecolorallocate($image, 255, 0, 0); imagefilledellipse($image, 2500, 2500, 5000, 5000, $color); imagepng($image, 'D:/fail.png'); imagedestroy($image); Expected result: ---------------- Ellipse should look like ellipse Actual result: -------------- Ellipse is distorted -- Edit bug report at https://bugs.php.net/bug.php?id=78133&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=78133&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=78133&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=78133&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=78133&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=78133&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=78133&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=78133&r=needscript Try newer version: https://bugs.php.net/fix.php?id=78133&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=78133&r=support Expected behavior: https://bugs.php.net/fix.php?id=78133&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=78133&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=78133&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=78133&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=78133&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=78133&r=dst IIS Stability: https://bugs.php.net/fix.php?id=78133&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=78133&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=78133&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=78133&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=78133&r=mysqlcfg