<?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); } }