Bug #52070 [NEW]: imagedashedline() - dashed line sometimes is not visible

From: Operating system: WinXP - IIS -fastcgi PHP version: 5.3.2 Package: GD related Bug Type: Bug Bug description:imagedashedline() - dashed line sometimes is not visible Description: ------------ This bug first was realized by me in php 5.3.1. imagedashedline() function is not work properly. Tipically horizontal and sharp-angled dashed lines is not visible after running this function. Could someone make a patch or fix this problem? I know this problem has already been realized in earlier versions also, but not corrected yet. Thanks, Gabor Test script: --------------- $im=imagecreate(1200,800); $background_color=imagecolorallocate($im,40,40,40); $color=imagecolorallocate($im,255,255,255); imagedashedline($im,800,400,300,400,$color); // not visible, horizontal line imagedashedline($im,800,400,300,800,$color); // not visible imagedashedline($im,800,400,400,800,$color); // not visible imagedashedline($im,800,400,500,800,$color); // visible imagedashedline($im,800,400,600,800,$color); // visible imagedashedline($im,800,400,700,800,$color); // visible imagedashedline($im,800,400,800,800,$color); // visible, vertical line header("Content-type: image/png"); imagepng($im); imagedestroy($im); -- Edit bug report at http://bugs.php.net/bug.php?id=52070&edit=1 -- Try a snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=52070&r=trysnapshot52 Try a snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=52070&r=trysnapshot53 Try a snapshot (trunk): http://bugs.php.net/fix.php?id=52070&r=trysnapshottrunk Fixed in SVN: http://bugs.php.net/fix.php?id=52070&r=fixed Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=52070&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=52070&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=52070&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=52070&r=needscript Try newer version: http://bugs.php.net/fix.php?id=52070&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=52070&r=support Expected behavior: http://bugs.php.net/fix.php?id=52070&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=52070&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=52070&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=52070&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=52070&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=52070&r=dst IIS Stability: http://bugs.php.net/fix.php?id=52070&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=52070&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=52070&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=52070&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=52070&r=mysqlcfg