hehe/vendor/gregwar/image/Gregwar/Image/Adapter/Adapter.php

<?php

namespace Gregwar\Image\Adapter;

use Gregwar\Image\Source\Source;

/**
 * Base Adapter Implementation to handle Image information.
 */
abstract class Adapter implements AdapterInterface
{
    /**
     * @var Source
     */
    protected $source;

    /**
     * The image resource handler.
     */
    protected $resource;

    public function __construct()
    {
    }

    /**
     * {@inheritdoc}
     */
    public function setSource(Source $source)
    {
        $this->source = $source;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function getResource()
    {
        return $this->resource;
    }

    /**
     * Does this adapter supports the given type ?
     */
    protected function supports($type)
    {
        return false;
    }

    /**
     * Converts the image to true color.
     */
    protected function convertToTrueColor()
    {
    }
}