<?php
namespace Intervention\Image\Gd\Commands;
use Intervention\Image\Commands\AbstractCommand;
class ColorizeCommand extends AbstractCommand
{
/**
* Changes balance of different RGB color channels
*
* @param \Intervention\Image\Image $image
* @return boolean
*/
public function execute($image)
{
$red = $this->argument(0)->between(-100, 100)->required()->value();
$green = $this->argument(1)->between(-100, 100)->required()->value();
$blue = $this->argument(2)->between(-100, 100)->required()->value();
// normalize colorize levels
$red = round($red * 2.55);
$green = round($green * 2.55);
$blue = round($blue * 2.55);
// apply filter
return imagefilter($image->getCore(), IMG_FILTER_COLORIZE, $red, $green, $blue);
}
}