<?php

namespace RegularLabs\Scoped\Intervention\Image\Imagick;

use RegularLabs\Scoped\Intervention\Image\AbstractDriver;
use RegularLabs\Scoped\Intervention\Image\Exception\NotSupportedException;
use RegularLabs\Scoped\Intervention\Image\Image;
class Driver extends AbstractDriver
{
    /**
     * Creates new instance of driver
     *
     * @param Decoder $decoder
     * @param Encoder $encoder
     */
    public function __construct(Decoder $decoder = null, Encoder $encoder = null)
    {
        if (!$this->coreAvailable()) {
            throw new NotSupportedException("ImageMagick module not available with this PHP installation.");
        }
        $this->decoder = $decoder ? $decoder : new Decoder();
        $this->encoder = $encoder ? $encoder : new Encoder();
    }
    /**
     * Creates new image instance
     *
     * @param  int     $width
     * @param  int     $height
     * @param  mixed   $background
     * @return \Intervention\Image\Image
     */
    public function newImage($width, $height, $background = null)
    {
        $background = new Color($background);
        // create empty core
        $core = new \Imagick();
        $core->newImage($width, $height, $background->getPixel(), 'png');
        $core->setType(\Imagick::IMGTYPE_UNDEFINED);
        $core->setImageType(\Imagick::IMGTYPE_UNDEFINED);
        $core->setColorspace(\Imagick::COLORSPACE_UNDEFINED);
        // build image
        $image = new Image(new static(), $core);
        return $image;
    }
    /**
     * Reads given string into color object
     *
     * @param  string $value
     * @return AbstractColor
     */
    public function parseColor($value)
    {
        return new Color($value);
    }
    /**
     * Checks if core module installation is available
     *
     * @return boolean
     */
    protected function coreAvailable()
    {
        return \extension_loaded('imagick') && \class_exists('Imagick');
    }
}
