imagecolorsforindex
imagecolorsforindex
(PHP 4, PHP 5, PHP 7)
imagecolorsforindex — Get the colors for an index
Description
array imagecolorsforindex ( resource $image , int $index )
Gets the color for a specified index.
Parameters
`image`
An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().
index
The color index.
Return Values
Returns an associative array with red, green, blue and alpha keys that contain the appropriate values for the specified color index.
Examples
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
?>
The above example will output something similar to:
Array
(
[red] => 226
[green] => 222
[blue] => 252
[alpha] => 0
)
See Also
- imagecolorat() - Get the index of the color of a pixel
- imagecolorexact() - Get the index of the specified color
← imagecolorset
imagecolorstotal →
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Licensed under the Creative Commons Attribution License v3.0 or later.
https://secure.php.net/manual/en/function.imagecolorsforindex.php
