边缘检测算子

<Window x:Class="FirstSolver.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:ha="http://schemas.mvtec.com/halcondotnet"
        TextElement.Foreground="{DynamicResource MaterialDesignBody}"
        TextElement.FontWeight="Regular"
        TextElement.FontSize="16"
        TextOptions.TextFormattingMode="Ideal" 
        TextOptions.TextRenderingMode="ClearType"       
        Background="{DynamicResource MaterialDesignPaper}"
        FontFamily="Microsoft YaHei Light"
        Name="RootWindow" Title="Halcon边缘检测" WindowState="Maximized" WindowStartupLocation="CenterScreen">
    <materialDesign:DialogHost Identifier="RootDialog" DialogTheme="Inherit">
        <Grid>
            <Grid.RowDefinitions>
                <RowDefinition Height="Auto"/>
                <RowDefinition/>
            </Grid.RowDefinitions>

            <Grid Grid.Row="0">
                <Grid.ColumnDefinitions>
                    <ColumnDefinition/>
                    <ColumnDefinition Width="Auto"/>
                    <ColumnDefinition Width="Auto"/>
                </Grid.ColumnDefinitions>

                <TextBox Grid.Column="0" Style="{StaticResource MaterialDesignFilledTextBox}" materialDesign:HintAssist.Hint="图像文件" Name="TextBoxImagePath" IsReadOnly="True"/>
                <Button Grid.Column="1" Margin="4" Style="{StaticResource MaterialDesignIconButton}" Name="ButtonSelectFile" Click="ButtonSelectFile_Click">
                    <Button.Content>
                        <materialDesign:PackIcon Kind="FolderOpenOutline"/>
                    </Button.Content>
                </Button>
                <Button Grid.Column="2" Margin="4" Style="{StaticResource MaterialDesignIconButton}" Name="ButtonShowEdges" Click="ButtonShowEdges_Click">
                    <Button.Content>
                        <materialDesign:PackIcon Kind="HumanRunFast"/>
                    </Button.Content>
                </Button>
            </Grid>

            <Grid Grid.Row="1">
                <Grid.ColumnDefinitions>
                    <ColumnDefinition/>
                    <ColumnDefinition/>
                </Grid.ColumnDefinitions>

                <ha:HWindowControlWPF Grid.Column="0" Margin="0,0,4,0" Name="HWindowControlWPF1"/>
                <ha:HWindowControlWPF Grid.Column="1" Margin="0,0,4,0" Name="HWindowControlWPF2"/>
            </Grid>
        </Grid>
    </materialDesign:DialogHost>
</Window>

using HalconDotNet;
using System.IO;
using System.Windows;
using System.Windows.Controls.Primitives;

namespace FirstSolver
{
    public partial class MainWindow : Window
    {
        /// <summary>
        /// 对话框宿主标识符
        /// </summary>
        public const string DialogHostIdentifier = "RootDialog";

        public MainWindow()
        {
            InitializeComponent();
        }

        private void ButtonSelectFile_Click(object sender, RoutedEventArgs e)
        {
            Microsoft.Win32.OpenFileDialog dlg = new Microsoft.Win32.OpenFileDialog()
            {
                Filter = "Image|*.jpg;*.bmp;*.png;*.tif;*.tga;*.ras;*.jp2;*.j2k;*.jpe",
                DereferenceLinks = true
            };

            if (dlg.ShowDialog() == true)
            {
                TextBoxImagePath.Text = dlg.FileName;
                ButtonShowEdges.RaiseEvent(new RoutedEventArgs(ButtonBase.ClickEvent));
            }
        }

        private void ButtonShowEdges_Click(object sender, RoutedEventArgs e)
        {
            string path = TextBoxImagePath.Text;
            if (string.IsNullOrEmpty(path) || !File.Exists(path)) return;

            HImage srcImage = new HImage(path);
            HXLDCont edgesImage = srcImage.EdgesSubPix("canny", 1, 20, 40);

            srcImage.GetImageSize(out int width, out int height);
            HWindowControlWPF1.HalconWindow.SetPart(0, 0, height - 1, width - 1);
            HWindowControlWPF1.HalconWindow.ClearWindow();
            HWindowControlWPF1.HalconWindow.DispObj(srcImage);

            HWindowControlWPF2.HalconWindow.SetPart(0, 0, height - 1, width - 1);
            HWindowControlWPF2.HalconWindow.ClearWindow();
            HWindowControlWPF2.HalconWindow.DispObj(edgesImage);
        }
    }
}