项目结构调整

Others/zxing.core/WPFDemo/App.xaml

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+<Application x:Class="WPFDemo.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:WPFDemo"
+             StartupUri="MainWindow.xaml">
+    <Application.Resources>
+         
+    </Application.Resources>
+</Application>

Others/zxing.core/WPFDemo/App.xaml.cs

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+using System;
+using System.Collections.Generic;
+using System.Configuration;
+using System.Data;
+using System.Linq;
+using System.Threading.Tasks;
+using System.Windows;
+
+namespace WPFDemo
+{
+    /// <summary>
+    /// Interaction logic for App.xaml
+    /// </summary>
+    public partial class App : Application
+    {
+    }
+}

Others/zxing.core/WPFDemo/AssemblyInfo.cs

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+using System.Windows;
+
+[assembly: ThemeInfo(
+    ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located
+                                     //(used if a resource is not found in the page,
+                                     // or application resource dictionaries)
+    ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located
+                                              //(used if a resource is not found in the page,
+                                              // app, or any theme specific resource dictionaries)
+)]

Others/zxing.core/WPFDemo/MainWindow.xaml

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+<Window x:Class="WPFDemo.MainWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        Title="MainWindow" Height="380" Width="531" ResizeMode="CanResize">
+    <Grid>
+
+      <TabControl Height="Auto" Margin="0,1,0,0" Name="tabControl1" Width="Auto">
+         <TabItem Header="Decode" Name="tabItemDecode">
+            <Grid>
+               <Grid.ColumnDefinitions>
+                  <ColumnDefinition Width="*" />
+               </Grid.ColumnDefinitions>
+               <Grid.RowDefinitions>
+                  <RowDefinition Height="100" />
+                  <RowDefinition Height="*" />
+               </Grid.RowDefinitions>
+               <TextBox Grid.Column="0" Grid.Row="0" Height="23" HorizontalAlignment="Stretch" Margin="12,46,30,0" Name="txtBarcodeImageFile" VerticalAlignment="Top" Width="Auto" IsReadOnly="True" TextChanged="txtBarcodeImageFile_TextChanged" />
+               <Button Grid.Column="0" Grid.Row="0" Content="..." Height="23" HorizontalAlignment="Right" Margin="465,46,0,0" Name="btnSelectFile" VerticalAlignment="Top" Width="26" Click="btnSelectFile_Click" />
+               <Label Grid.Column="0" Grid.Row="0" Content="Barcode Image File" Height="28" HorizontalAlignment="Left" Margin="12,12,0,0" Name="label1" VerticalAlignment="Top" Width="124" />
+               <Button Grid.Column="0" Grid.Row="0" Content="Decode" Height="23" HorizontalAlignment="Right" Margin="416,75,0,0" Name="btnDecode" VerticalAlignment="Top" Width="75" Click="btnDecode_Click" />
+               <Grid Grid.Column="0" Grid.Row="1" >
+                  <Grid.ColumnDefinitions>
+                     <ColumnDefinition Width="*" />
+                     <ColumnDefinition Width="350" />
+                  </Grid.ColumnDefinitions>
+                  <Grid.RowDefinitions>
+                     <RowDefinition Height="*" />
+                  </Grid.RowDefinitions>
+                  <Image Grid.Column="0" Grid.Row="0" Height="Auto" HorizontalAlignment="Left" Margin="0,0,0,0" Name="imageBarcode" Stretch="None" VerticalAlignment="Top" Width="Auto" />
+                  <TextBox Grid.Column="1" Grid.Row="0" Height="23" HorizontalAlignment="Left" Margin="0,64,0,0" Name="txtBarcodeType" VerticalAlignment="Top" Width="265" IsReadOnly="True" />
+                  <Label Grid.Column="1" Grid.Row="0" Content="Barcode Type" Height="28" HorizontalAlignment="Left" Margin="0,30,0,0" Name="label2" VerticalAlignment="Top" Width="95" />
+                  <Label Grid.Column="1" Grid.Row="0" Content="Content" Height="28" HorizontalAlignment="Left" Margin="0,93,0,0" Name="label3" VerticalAlignment="Top" Width="95" />
+                  <TextBox Grid.Column="1" Grid.Row="0" Height="97" HorizontalAlignment="Left" Margin="0,127,0,0" Name="txtBarcodeContent" VerticalAlignment="Top" Width="265" IsReadOnly="True" />
+                  <Label Grid.Column="1" Grid.Row="0" Height="28" HorizontalAlignment="Left" Margin="0,0,0,0" Name="labDuration" VerticalAlignment="Top" Width="184" />
+               </Grid>
+            </Grid>
+         </TabItem>
+         <TabItem Header="Encode" Name="tabItemEncode">
+            <Grid>
+               <Grid.ColumnDefinitions>
+                  <ColumnDefinition Width="*" />
+                  <ColumnDefinition Width="290" />
+               </Grid.ColumnDefinitions>
+               <Grid.RowDefinitions>
+                  <RowDefinition Height="*" />
+               </Grid.RowDefinitions>
+               <Border BorderBrush="#202020" BorderThickness="1" CornerRadius="4">
+                  <Image Grid.Column="0" Grid.Row="0" Height="Auto" HorizontalAlignment="Stretch" Name="imageBarcodeEncoder" Stretch="Uniform" VerticalAlignment="Stretch" Width="Auto" />
+               </Border>
+               <Border BorderBrush="#202020" BorderThickness="1" CornerRadius="4">
+                     <Path Grid.Column="0" Grid.Row="0" Name="imageBarcodeEncoderGeometry" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Fill="Black" Width="Auto" Height="Auto" />
+               </Border>
+               <Button Grid.Column="1" Grid.Row="0" Content="Encode" Height="23" HorizontalAlignment="Right" Margin="190,269,10,0" Name="btnEncode" VerticalAlignment="Top" Width="75" Click="btnEncode_Click" />
+               <Label Grid.Column="1" Grid.Row="0" Content="Barcode Type" Height="28" HorizontalAlignment="Right" Margin="0,6,180,0" Name="label4" VerticalAlignment="Top" Width="95" />
+               <Label Grid.Column="1" Grid.Row="0" Content="Content" Height="28" HorizontalAlignment="Right" Margin="0,132,180,0" Name="label5" VerticalAlignment="Top" Width="95" />
+               <TextBox Grid.Column="1" Grid.Row="0" Height="97" HorizontalAlignment="Right" Margin="0,166,10,0" Name="txtBarcodeContentEncode" VerticalAlignment="Top" Width="265"  />
+               <ComboBox Grid.Column="1" Grid.Row="0" Height="23" HorizontalAlignment="Right" Margin="0,40,10,0" Name="cmbEncoderType" VerticalAlignment="Top" Width="265" />
+               <ComboBox Grid.Column="1" Grid.Row="0" Height="23" HorizontalAlignment="Right" Margin="0,103,10,0" Name="cmbRendererType" VerticalAlignment="Top" Width="265" />
+               <Label Grid.Column="1" Grid.Row="0" Content="Renderer Type" Height="28" HorizontalAlignment="Right" Margin="0,69,180,0" Name="label6" VerticalAlignment="Top" Width="95" />
+            </Grid>
+         </TabItem>
+      </TabControl>
+   </Grid>
+</Window>

Others/zxing.core/WPFDemo/MainWindow.xaml.cs

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+/*
+* Copyright 2012 ZXing.Net authors
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*      http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+using System;
+using System.IO;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Media.Imaging;
+
+using Microsoft.Win32;
+using ZXing;
+
+using BarcodeReader = ZXing.Presentation.BarcodeReader;
+using BarcodeWriter = ZXing.Presentation.BarcodeWriter;
+using BarcodeWriterGeometry = ZXing.Presentation.BarcodeWriterGeometry;
+
+namespace WPFDemo
+{
+    /// <summary>
+    /// Interaktionslogik für MainWindow.xaml
+    /// </summary>
+    public partial class MainWindow : Window
+    {
+        private readonly BarcodeReader reader = new BarcodeReader();
+
+        public MainWindow()
+        {
+            InitializeComponent();
+
+            foreach (var format in MultiFormatWriter.SupportedWriters)
+                cmbEncoderType.Items.Add(format);
+            cmbEncoderType.SelectedItem = BarcodeFormat.QR_CODE;
+
+            cmbRendererType.Items.Add("WriteableBitmap");
+            cmbRendererType.Items.Add("XAML Geometry");
+            cmbRendererType.SelectedItem = "WriteableBitmap";
+        }
+
+        private void btnSelectFile_Click(object sender, RoutedEventArgs e)
+        {
+            var dlg = new OpenFileDialog
+            {
+                Filter = "All documents (*.*)|*.*",
+                FileName = txtBarcodeImageFile.Text
+            };
+            if (dlg.ShowDialog(this).GetValueOrDefault(false))
+            {
+                txtBarcodeImageFile.Text = dlg.FileName;
+            }
+        }
+
+        private void btnDecode_Click(object sender, RoutedEventArgs e)
+        {
+            var start = DateTime.Now;
+            var result = reader.Decode((BitmapSource)imageBarcode.Source);
+            labDuration.Content = (DateTime.Now - start).Milliseconds + " ms";
+            if (result != null)
+            {
+                txtBarcodeType.Text = result.BarcodeFormat.ToString();
+                txtBarcodeContent.Text = result.Text;
+            }
+            else
+            {
+                txtBarcodeType.Text = "";
+                txtBarcodeContent.Text = "No barcode found.";
+            }
+        }
+
+        private void txtBarcodeImageFile_TextChanged(object sender, TextChangedEventArgs e)
+        {
+            if (File.Exists(txtBarcodeImageFile.Text))
+            {
+                imageBarcode.Source = new BitmapImage(new Uri(txtBarcodeImageFile.Text));
+            }
+        }
+
+        private void btnEncode_Click(object sender, RoutedEventArgs e)
+        {
+            imageBarcodeEncoder.Visibility = Visibility.Hidden;
+            imageBarcodeEncoderGeometry.Visibility = Visibility.Hidden;
+
+            switch (cmbRendererType.SelectedItem.ToString())
+            {
+                case "WriteableBitmap":
+                    {
+                        var writer = new BarcodeWriter
+                        {
+                            Format = (BarcodeFormat)cmbEncoderType.SelectedItem,
+                            Options = new ZXing.Common.EncodingOptions
+                            {
+                                Height = (int)((FrameworkElement)imageBarcodeEncoder.Parent).ActualHeight,
+                                Width = (int)((FrameworkElement)imageBarcodeEncoder.Parent).ActualWidth,
+                                Margin = 0
+                            }
+                        };
+                        var image = writer.Write(txtBarcodeContentEncode.Text);
+                        imageBarcodeEncoder.Source = image;
+                        imageBarcodeEncoder.Visibility = Visibility.Visible;
+                    }
+                    break;
+                case "XAML Geometry":
+                    {
+                        var writer = new BarcodeWriterGeometry
+                        {
+                            Format = (BarcodeFormat)cmbEncoderType.SelectedItem,
+                            Options = new ZXing.Common.EncodingOptions
+                            {
+                                Height = (int)((FrameworkElement)imageBarcodeEncoder.Parent).ActualHeight,
+                                Width = (int)((FrameworkElement)imageBarcodeEncoder.Parent).ActualWidth,
+                                Margin = 0
+                            }
+                        };
+                        var image = writer.Write(txtBarcodeContentEncode.Text);
+                        imageBarcodeEncoderGeometry.Data = image;
+                        imageBarcodeEncoderGeometry.Visibility = Visibility.Visible;
+                    }
+                    break;
+            }
+        }
+    }
+}

Others/zxing.core/WPFDemo/WPFDemo.csproj

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+<Project Sdk="Microsoft.NET.Sdk.WindowsDesktop">
+
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <UseWPF>true</UseWPF>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\zxing.core\zxing.core.csproj" />
+  </ItemGroup>
+
+</Project>