Warning: file_put_contents(): Only -1 of 61 bytes written, possibly out of free disk space in /var/www/html/index.php on line 3

Warning: Cannot modify header information - headers already sent by (output started at /var/www/html/index.php:3) in /var/www/html/cache.php on line 23

Warning: Cannot modify header information - headers already sent by (output started at /var/www/html/index.php:3) in /var/www/html/cache.php on line 24

Warning: Cannot modify header information - headers already sent by (output started at /var/www/html/index.php:3) in /var/www/html/cache.php on line 25
imagecolorset imagecolorstotal Image PHP Manual imagecolorsforindex (PHP 4, 5) — Get the colors for an index Descrierea array ( resource $image , int $index ) Gets color a specified index. Parame...
Forum und email

imagecolorsforindex

(PHP 4, PHP 5)

imagecolorsforindex — Get the colors for an index

Descrierea

array imagecolorsforindex ( resource $image , int $index )

Gets the color for a specified index.

Parametri

image

O resursă - imagine, întoarsă de una din funcţiile de creare a imaginilor, cum ar fi imagecreatetruecolor().

index

Valorile întroarse

Returns an associative array with red, green, blue and alpha keys that contain the appropriate values for the specified color index.

Exemple

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 ?
print_r($color_tran);

?>

Exemplul de mai sus va afiÅŸa ceva similar cu:

Array
(
   [red] => 226
   [green] => 222
   [blue] => 252
   [alpha] => 0
)

Vedeţi de asemenea