note 38426 added to function.imagecolorstotal

From: Date: Sat, 20 Dec 2003 10:40:27 +0000
Subject: note 38426 added to function.imagecolorstotal
Groups: php.notes 
Request: Send a blank email to php-notes+get-62270@lists.php.net to get a copy of this message
Voici une fonction pour compter le nombre de couleurs réellements utilisé dans une image gd; /** * get really used colors * @author jonathan.gotti@free.fr * @date 2003-12-20 * @param ressource image $img * @return int */ function imagecolorcount($img){ $width = imagesx($img); $height= imagesy($img); for($x=0;$x<$width;$x++){ #chaque ligne de l'image for($y=0;$y<$height;$y++){ #chaque colonnes $colors[imagecolorat($img,$x,$y)]=TRUE; } } return count($colors); } ---- Manual Page -- http://www.php.net/manual/en/function.imagecolorstotal.php Edit -- http://master.php.net/manage/user-notes.php?action=edit+38426 Delete -- http://master.php.net/manage/user-notes.php?action=delete+38426&report=yes Reject -- http://master.php.net/manage/user-notes.php?action=reject+38426&report=yes Search -- http://master.php.net/manage/user-notes.php

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