backend/app/Http/Business/Cameras/AbstractCamera.php

<?php
/**
 * Created by PhpStorm.
 * User: robin
 * Date: 11/24/15
 * Time: 12:53 PM
 */

namespace app\Http\Business\Cameras;

use App\Http\DBO\CamerasDbo;
use App\Http\DBO\CamerasImageDbo;
use Imagine\Image\Box;
use Imagine\Imagick\Image;
use Imagine\Imagick\Imagine;

abstract class AbstractCamera
{
    /**
     * @var CamerasDbo
     */
    protected $_camera;
    /**
     * @var $_imagine Imagine
     */
    protected $_imagine;
    /**
     * @var $_image Image
     */
    protected $_image;

    public function __construct(CamerasDbo $camera)
    {
        $this->_camera = $camera;
        $this->_imagine = new Imagine();
    }

    /**
     * @return CamerasImageDbo
     */
    public function getImage()
    {
        $this->prepareImage();
        $imageDbo = new CamerasImageDbo();
        $this->_image->resize(new Box(640, 360));
        $imageDbo->setImage(base64_encode($this->_image->get("jpeg")));
        return $imageDbo;
    }

    public abstract function prepareImage();
}