From:             eric at pitte dot de
Operating system: Suse 8.2
PHP version:      4.3.2
PHP Bug Type:     GD related
Bug description:  imagecopymergegray

Description:
------------
I see a problem with the imagecopymergegray funktion.
It does not seems to be possible to make grayscale from a png color
image.
See my code. Spion.png is a color image and spion2 should be a grayscale
one, but the result is also a color picture.
Is this problem known ?

Reproduce code:
---------------
<?php

    $pic = imageCreateFrompng("spion.png");

    imagecopymergegray($pic,$pic,0,0,0,0,500,500,20);
    imagepng($pic,"spion2.png");
    imagedestroy($pic);

?>


-- 
Edit bug report at http://bugs.php.net/?id=24585&edit=1
-- 
Try a CVS snapshot (php4):  http://bugs.php.net/fix.php?id=24585&r=trysnapshot4
Try a CVS snapshot (php5):  http://bugs.php.net/fix.php?id=24585&r=trysnapshot5
Fixed in CVS:               http://bugs.php.net/fix.php?id=24585&r=fixedcvs
Fixed in release:           http://bugs.php.net/fix.php?id=24585&r=alreadyfixed
Need backtrace:             http://bugs.php.net/fix.php?id=24585&r=needtrace
Try newer version:          http://bugs.php.net/fix.php?id=24585&r=oldversion
Not developer issue:        http://bugs.php.net/fix.php?id=24585&r=support
Expected behavior:          http://bugs.php.net/fix.php?id=24585&r=notwrong
Not enough info:            http://bugs.php.net/fix.php?id=24585&r=notenoughinfo
Submitted twice:            http://bugs.php.net/fix.php?id=24585&r=submittedtwice
register_globals:           http://bugs.php.net/fix.php?id=24585&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=24585&r=php3
Daylight Savings:           http://bugs.php.net/fix.php?id=24585&r=dst
IIS Stability:              http://bugs.php.net/fix.php?id=24585&r=isapi
Install GNU Sed:            http://bugs.php.net/fix.php?id=24585&r=gnused

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