PHP.nl

imagecolorsforindex

imagecolorsforindex

Get the colors for an index

array **imagecolorsforindex** GdImage $image int $color

Gets the color for a specified index.

colorThe color index.

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

Voorbeeld: 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);

?>

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

imagecolorat``imagecolorexact

Vorige ← imagecolorset Volgende imagecolorstotal →

Documentatie