✨ added QRGdImageAVIF

src/Output/QRGdImage.php

@@ -83,6 +83,7 @@ abstract class QRGdImage extends QROutputAbstract{
 		}
 
 		$modes = [
+			QRGdImageAVIF::class => 'AVIF Support',
 			QRGdImageBMP::class  => 'BMP Support',
 			QRGdImageGIF::class  => 'GIF Create Support',
 			QRGdImageJPEG::class => 'JPEG Support',
@@ -90,7 +91,7 @@ abstract class QRGdImage extends QROutputAbstract{
 			QRGdImageWEBP::class => 'WebP Support',
 		];
 
-		// likely using custom output
+		// likely using custom output/manual invocation
 		if(!isset($modes[$this->options->outputInterface])){
 			return;
 		}

src/Output/QRGdImageAVIF.php

@@ -0,0 +1,33 @@
+<?php
+/**
+ * Class QRGdImageAVIF
+ *
+ * @created      26.11.2023
+ * @author       smiley <smiley@chillerlan.net>
+ * @copyright    2023 smiley
+ * @license      MIT
+ *
+ * @noinspection PhpComposerExtensionStubsInspection
+ */
+
+namespace chillerlan\QRCode\Output;
+
+use function imageavif, max, min;
+
+/**
+ * GDImage avif output
+ *
+ * @see \imageavif()
+ */
+class QRGdImageAVIF extends QRGdImage{
+
+	final public const MIME_TYPE = 'image/avif';
+
+	/**
+	 * @inheritDoc
+	 */
+	protected function renderImage():void{
+		imageavif($this->image, null, max(-1, min(100, $this->options->quality)));
+	}
+
+}

src/Output/QROutputInterface.php

@@ -24,18 +24,19 @@ interface QROutputInterface{
 	 * @see https://github.com/chillerlan/php-qrcode/issues/223
 	 */
 	public const MODES = [
-		QRMarkupSVG::class,
-		QRMarkupHTML::class,
+		QREps::class,
+		QRFpdf::class,
+		QRGdImageAVIF::class,
 		QRGdImageBMP::class,
 		QRGdImageGIF::class,
 		QRGdImageJPEG::class,
 		QRGdImagePNG::class,
 		QRGdImageWEBP::class,
+		QRImagick::class,
+		QRMarkupHTML::class,
+		QRMarkupSVG::class,
 		QRStringJSON::class,
 		QRStringText::class,
-		QRImagick::class,
-		QRFpdf::class,
-		QREps::class,
 	];
 
 	/**