lucajackal85 / ImageMerge

src/Command/ContrastCommand.php

<?php

namespace Jackal\ImageMerge\Command;

use Jackal\ImageMerge\Command\Options\LevelCommandOption;
use Jackal\ImageMerge\Model\Image;

class ContrastCommand extends AbstractCommand
{
    /**
     * ContrastCommand constructor.
     * @param LevelCommandOption $options
     */
    public function __construct(LevelCommandOption $options)
    {
        parent::__construct($options);
    }

    /**
     * @param Image $image
     * @return Image
     */
    public function execute(Image $image)
    {
        imagefilter($image->getResource(), IMG_FILTER_CONTRAST, $this->options->getLevel());

The method getLevel() does not exist on Jackal\ImageMerge\Command\Options\CommandOptionInterface. It seems like you code against a sub-type of Jackal\ImageMerge\Command\Options\CommandOptionInterface such as Jackal\ImageMerge\Command\Options\LevelCommandOption.

        return $image;
    }
}