Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/zxing-cpp/wrappers/dotnet/ZXingCpp.DemoReader/Program.cs @ 21:2f43e400f144

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Provide an "all" target to build both the sdist and the wheel
author Franz Glasner <fzglas.hg@dom66.de>
date Fri, 19 Sep 2025 10:28:53 +0200
parents b50eed0cc0ef
children
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1 /*
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2 * Copyright 2024 Axel Waggershauser
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3 */
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4 // SPDX-License-Identifier: Apache-2.0
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5
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6 using System.Collections.Generic;
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7 using ImageMagick;
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8 using SkiaSharp;
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9 using ZXingCpp;
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10
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11 public static class MagickImageBarcodeReader
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12 {
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13 public static Barcode[] Read(MagickImage img, ReaderOptions? opts = null)
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14 {
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15 if (img.DetermineBitDepth() < 8)
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16 img.SetBitDepth(8);
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17 var bytes = img.ToByteArray(MagickFormat.Gray);
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18 var iv = new ImageView(bytes, img.Width, img.Height, ImageFormat.Lum);
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19 return BarcodeReader.Read(iv, opts);
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20 }
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21
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22 public static Barcode[] From(this BarcodeReader reader, MagickImage img) => Read(img, reader);
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23 }
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25 public static class SkBitmapBarcodeReader
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26 {
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27 public static Barcode[] Read(SKBitmap img, ReaderOptions? opts = null)
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28 {
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29 var format = img.Info.ColorType switch
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30 {
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31 SKColorType.Gray8 => ImageFormat.Lum,
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32 SKColorType.Rgba8888 => ImageFormat.RGBA,
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33 SKColorType.Bgra8888 => ImageFormat.BGRA,
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34 _ => ImageFormat.None,
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35 };
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36 if (format == ImageFormat.None)
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37 {
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38 if (!img.CanCopyTo(SKColorType.Gray8))
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39 throw new Exception("Incompatible SKColorType");
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40 img = img.Copy(SKColorType.Gray8);
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41 format = ImageFormat.Lum;
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42 }
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43 var iv = new ImageView(img.GetPixels(), img.Info.Width, img.Info.Height, format);
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44 return BarcodeReader.Read(iv, opts);
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45 }
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47 public static Barcode[] From(this BarcodeReader reader, SKBitmap img) => Read(img, reader);
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48 }
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49
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50 public class Program
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51 {
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52 public static void Main(string[] args)
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53 {
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54 #if false
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55 var img = new MagickImage(args[0]);
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56 #else
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57 var img = SKBitmap.Decode(args[0]);
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58 #endif
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59 Console.WriteLine(img);
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60
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61 var readBarcodes = new BarcodeReader() {
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62 TryInvert = false,
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63 ReturnErrors = true,
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64 };
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65
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66 if (args.Length >= 2)
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67 readBarcodes.Formats = Barcode.FormatsFromString(args[1]);
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68
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69 foreach (var b in readBarcodes.From(img))
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70 Console.WriteLine($"{b.Format} ({b.ContentType}): {b.Text} / [{string.Join(", ", b.Bytes)}] {b.ErrorMsg}");
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71 }
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72 }