--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/zxing-cpp/wrappers/dotnet/ZXingCpp.DemoReader/Program.cs	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,72 @@
+/*
+* Copyright 2024 Axel Waggershauser
+*/
+// SPDX-License-Identifier: Apache-2.0
+
+using System.Collections.Generic;
+using ImageMagick;
+using SkiaSharp;
+using ZXingCpp;
+
+public static class MagickImageBarcodeReader
+{
+	public static Barcode[] Read(MagickImage img, ReaderOptions? opts = null)
+	{
+		if (img.DetermineBitDepth() < 8)
+			img.SetBitDepth(8);
+		var bytes = img.ToByteArray(MagickFormat.Gray);
+		var iv = new ImageView(bytes, img.Width, img.Height, ImageFormat.Lum);
+		return BarcodeReader.Read(iv, opts);
+	}
+
+	public static Barcode[] From(this BarcodeReader reader, MagickImage img) => Read(img, reader);
+}
+
+public static class SkBitmapBarcodeReader
+{
+	public static Barcode[] Read(SKBitmap img, ReaderOptions? opts = null)
+	{
+		var format = img.Info.ColorType switch
+		{
+			SKColorType.Gray8 => ImageFormat.Lum,
+			SKColorType.Rgba8888 => ImageFormat.RGBA,
+			SKColorType.Bgra8888 => ImageFormat.BGRA,
+			_ => ImageFormat.None,
+		};
+		if (format == ImageFormat.None)
+		{
+			if (!img.CanCopyTo(SKColorType.Gray8))
+				throw new Exception("Incompatible SKColorType");
+			img = img.Copy(SKColorType.Gray8);
+			format = ImageFormat.Lum;
+		}
+		var iv = new ImageView(img.GetPixels(), img.Info.Width, img.Info.Height, format);
+		return BarcodeReader.Read(iv, opts);
+	}
+
+	public static Barcode[] From(this BarcodeReader reader, SKBitmap img) => Read(img, reader);
+}
+
+public class Program
+{
+	public static void Main(string[] args)
+	{
+#if false
+		var img = new MagickImage(args[0]);
+#else
+		var img = SKBitmap.Decode(args[0]);
+#endif
+		Console.WriteLine(img);
+
+		var readBarcodes = new BarcodeReader() {
+			TryInvert = false,
+			ReturnErrors = true,
+		};
+
+		if (args.Length >= 2)
+			readBarcodes.Formats = Barcode.FormatsFromString(args[1]);
+
+		foreach (var b in readBarcodes.From(img))
+			Console.WriteLine($"{b.Format} ({b.ContentType}): {b.Text} / [{string.Join(", ", b.Bytes)}] {b.ErrorMsg}");
+	}
+}