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comparison mupdf-source/thirdparty/zxing-cpp/wrappers/dotnet/ZXingCpp.DemoReader/Program.cs @ 2:b50eed0cc0ef upstream

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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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1:1d09e1dec1d9 2:b50eed0cc0ef
1 /*
2 * Copyright 2024 Axel Waggershauser
3 */
4 // SPDX-License-Identifier: Apache-2.0
5
6 using System.Collections.Generic;
7 using ImageMagick;
8 using SkiaSharp;
9 using ZXingCpp;
10
11 public static class MagickImageBarcodeReader
12 {
13 public static Barcode[] Read(MagickImage img, ReaderOptions? opts = null)
14 {
15 if (img.DetermineBitDepth() < 8)
16 img.SetBitDepth(8);
17 var bytes = img.ToByteArray(MagickFormat.Gray);
18 var iv = new ImageView(bytes, img.Width, img.Height, ImageFormat.Lum);
19 return BarcodeReader.Read(iv, opts);
20 }
21
22 public static Barcode[] From(this BarcodeReader reader, MagickImage img) => Read(img, reader);
23 }
24
25 public static class SkBitmapBarcodeReader
26 {
27 public static Barcode[] Read(SKBitmap img, ReaderOptions? opts = null)
28 {
29 var format = img.Info.ColorType switch
30 {
31 SKColorType.Gray8 => ImageFormat.Lum,
32 SKColorType.Rgba8888 => ImageFormat.RGBA,
33 SKColorType.Bgra8888 => ImageFormat.BGRA,
34 _ => ImageFormat.None,
35 };
36 if (format == ImageFormat.None)
37 {
38 if (!img.CanCopyTo(SKColorType.Gray8))
39 throw new Exception("Incompatible SKColorType");
40 img = img.Copy(SKColorType.Gray8);
41 format = ImageFormat.Lum;
42 }
43 var iv = new ImageView(img.GetPixels(), img.Info.Width, img.Info.Height, format);
44 return BarcodeReader.Read(iv, opts);
45 }
46
47 public static Barcode[] From(this BarcodeReader reader, SKBitmap img) => Read(img, reader);
48 }
49
50 public class Program
51 {
52 public static void Main(string[] args)
53 {
54 #if false
55 var img = new MagickImage(args[0]);
56 #else
57 var img = SKBitmap.Decode(args[0]);
58 #endif
59 Console.WriteLine(img);
60
61 var readBarcodes = new BarcodeReader() {
62 TryInvert = false,
63 ReturnErrors = true,
64 };
65
66 if (args.Length >= 2)
67 readBarcodes.Formats = Barcode.FormatsFromString(args[1]);
68
69 foreach (var b in readBarcodes.From(img))
70 Console.WriteLine($"{b.Format} ({b.ContentType}): {b.Text} / [{string.Join(", ", b.Bytes)}] {b.ErrorMsg}");
71 }
72 }