|
Home
iRate! IceMelon IM Tutorials Headlines CoolSites PHP Functions |
Most Referenced Functions » google_pagerank() » preg_replace() » imagecreatefrompng() » site_pageranks() » imagepng() » imagedestroy() » imagestring() » imagecolorallocate() » htmlentities() » fopen() » preg_match() » header() » getimagesize() » htmlspecialchars() » ob_start() » session_start() » strstr() » ob_flush() » preg_match_all() » strpos() » setcookie() » flush() » str_replace() » array2vars() » nl2br() » preg_split() » ereg() » urlencode() » ereg_replace() » readgzfile() Become a sponsor for $15/month. Link is sitewide - PR5 homepage, 20+ PR4 pages, 90+ PR3 pages. Email dave[AT]icemelon[D0T]c0m. |
PHP Functions
Function: imagecolorsforindex (PHP 3, PHP 4, PHP 5) imagecolorsforindex -- Get the colors for an indexDescriptionarray imagecolorsforindex ( resource image, int index )This returns an associative array with red, green, blue and alpha keys that contain the appropriate values for the specified color index.
Example 1. imagecolorsforindex() example <?php // open an image $im = imagecreatefrompng('nexen.png'); // get a color $start_x = 40; $start_y = 50; $color_index = imagecolorat($im, $start_x, $start_y); // make it human readable $color_tran = imagecolorsforindex($im, $color_index); // what is it ? echo '<pre>'; print_r($color_tran); echo '</pre>'; ?> This example will output : Array ( [red] => 226 [green] => 222 [blue] => 252 [alpha] => 0 ) Related Function(s) |