chillerlan\QRCode\QRCodeReader

Complexity

Total Complexity

12

Size/Duplication

Total Lines	66
Duplicated Lines	0 %

Importance

Changes	1
Bugs	0	Features	0

5 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	2	2
A	readFile()	0	11	5
A	readResource()	0	2	1
A	readBlob()	0	11	2
A	decode()	0	7	2

<?php
/**
 * Class QRCodeReader
 *
 * @created      17.01.2021
 * @author       ZXing Authors
 * @author       Smiley <smiley@chillerlan.net>
 * @copyright    2021 Smiley
 * @license      Apache-2.0
 *
 * @noinspection PhpComposerExtensionStubsInspection
 */

namespace chillerlan\QRCode;

use Imagick, InvalidArgumentException;
use chillerlan\QRCode\Decoder\{Decoder, DecoderResult, GDLuminanceSource, IMagickLuminanceSource};
use function extension_loaded, file_exists, file_get_contents, imagecreatefromstring, is_file, is_readable;

final class QRCodeReader{

	private bool $useImagickIfAvailable;

	public function __construct(bool $useImagickIfAvailable = true){
		$this->useImagickIfAvailable = $useImagickIfAvailable && extension_loaded('imagick');
	}

	/**
	 * @param \Imagick|\GdImage|resource $im
	 *
	 * @return \chillerlan\QRCode\Decoder\DecoderResult
	 * @phan-suppress PhanUndeclaredTypeParameter (GdImage)
	 */
	protected function decode($im):DecoderResult{

		$source = $this->useImagickIfAvailable
			? new IMagickLuminanceSource($im)

It seems like $im can also be of type GdImage and resource; however, parameter $imagick of chillerlan\QRCode\Decoder\IMagickLuminanceSource::__construct() does only seem to accept Imagick, maybe add an additional type check?

			: new GDLuminanceSource($im);

It seems like $im can also be of type Imagick; however, parameter $gdImage of chillerlan\QRCode\Decoder\GDLuminanceSource::__construct() does only seem to accept GdImage|resource, maybe add an additional type check?

		return (new Decoder)->decode($source);
	}

	/**
	 * @param string $imgFilePath
	 *
	 * @return \chillerlan\QRCode\Decoder\DecoderResult
	 */
	public function readFile(string $imgFilePath):DecoderResult{

		if(!file_exists($imgFilePath) || !is_file($imgFilePath) || !is_readable($imgFilePath)){
			throw new InvalidArgumentException('invalid file: '.$imgFilePath);
		}

		$im = $this->useImagickIfAvailable
			? new Imagick($imgFilePath)
			: imagecreatefromstring(file_get_contents($imgFilePath));

		return $this->decode($im);
	}

	/**
	 * @param string $imgBlob
	 *
	 * @return \chillerlan\QRCode\Decoder\DecoderResult
	 */
	public function readBlob(string $imgBlob):DecoderResult{

		if($this->useImagickIfAvailable){
			$im = new Imagick;
			$im->readImageBlob($imgBlob);
		}
		else{
			$im = imagecreatefromstring($imgBlob);
		}

		return $this->decode($im);
	}

	/**
	 * @param \Imagick|\GdImage|resource $imgSource
	 *
	 * @return \chillerlan\QRCode\Decoder\DecoderResult
	 */
	public function readResource($imgSource):DecoderResult{
		return $this->decode($imgSource);
	}

}