/**
* Function for finding a pixel's RGBa values.
*/
function getPixelColor(ImageInterface $image, $x, $y)
{
$toolkit = $image->getToolkit();
$color_index = imagecolorat($toolkit->getResource(), $x, $y);
$transparent_index = imagecolortransparent($toolkit->getResource());
if ($color_index == $transparent_index) {
return array(0, 0, 0, 127);
}
return array_values(imagecolorsforindex($toolkit->getResource(), $color_index));
}
