90 lines
3.0 KiB
C#
90 lines
3.0 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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using Avalonia.Media.Imaging;
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using Avalonia.Platform.Storage;
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using SkiaSharp;
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using ZXing;
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using ZXing.Common;
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using ZXing.SkiaSharp;
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using 常用工具集.Base;
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namespace 常用工具集.ViewModel._03图片相关
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{
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public class 二维码条形码解析ViewModel : ViewModelBase
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{
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public string ImagePath { get; set; } = "";
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public string Result { get; set; } = "";
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public DelegateCommand SelectPathCmd { get; set; }
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public DelegateCommand GetResultCmd { get; set; }
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public 二维码条形码解析ViewModel()
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{
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SelectPathCmd = new DelegateCommand(SelectPathCmdFunc);
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GetResultCmd = new DelegateCommand(GetResultCmdFunc);
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}
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/// <summary>
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/// 选择文件
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/// </summary>
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/// <param name="obj"></param>
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private async void SelectPathCmdFunc(object obj)
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{
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var sp = GlobalValues.StorageProvider;
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if (sp is null) return;
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FilePickerOpenOptions options = new FilePickerOpenOptions();
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options.Title = "选择二维码图片";
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options.AllowMultiple = false;
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options.FileTypeFilter = [
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FilePickerFileTypes.ImageAll
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];
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var result = await sp.OpenFilePickerAsync(options);
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if (result == null || result.Count == 0) return;
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ImagePath = result.FirstOrDefault()?.Path.LocalPath;
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}
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private void GetResultCmdFunc(object obj)
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{
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try
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{
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MultiFormatReader formatReader = new MultiFormatReader();
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Dictionary<DecodeHintType, object> hints = new Dictionary<DecodeHintType, object>();
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hints.Add(DecodeHintType.CHARACTER_SET, Encoding.UTF8.HeaderName);
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// 优化精度
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hints.Add(DecodeHintType.TRY_HARDER, true);
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// 复杂模式，开启PURE_BARCODE模式
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hints.Add(DecodeHintType.PURE_BARCODE, true);
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formatReader.Hints = hints;
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SKBitmap bitmap = SKBitmap.Decode(ImagePath);
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LuminanceSource source = new SKBitmapLuminanceSource(bitmap);
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Result result = formatReader.decode(new BinaryBitmap(new HybridBinarizer(source)));
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if (null == result)
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{
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result = formatReader.decode(new BinaryBitmap(new GlobalHistogramBinarizer(source)));
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}
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bitmap.Dispose();
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if (result != null)
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{
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Result = result.Text; // 显示解析出的一维码文本内容
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}
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else
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{
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Result = "未能解析条码";
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}
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}
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catch (Exception ex)
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{
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Result = ex.Message;
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}
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}
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}
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}
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