<?php
namespace Intervention\Image\Gd\Commands;
use Intervention\Image\Commands\AbstractCommand;
class OpacityCommand extends AbstractCommand
{
/**
* Defines opacity of an image
*
* @param \Intervention\Image\Image $image
* @return boolean
*/
public function execute($image)
{
$transparency = $this->argument(0)->between(0, 100)->required()->value();
// get size of image
$size = $image->getSize();
// build temp alpha mask
$mask_color = sprintf('rgba(0, 0, 0, %.1F)', $transparency / 100);
$mask = $image->getDriver()->newImage($size->width, $size->height, $mask_color);
// mask image
$image->mask($mask->getCore(), true);
return true;
}
}