imagecolorsforindex
Get the colors for an index
Description
array imagecolorsforindex(GdImage $image, int $color)
Parameters
-
image
-
A GdImage object, returned by one of the image creation functions,
such as imagecreatetruecolor.
-
color
-
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
- imagecolorexact