check point

Hawkeye.VisionBuilder.Workflow/Operations/Morphology/HatsOperation.cs

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+using Hawkeye.VisionBuilder.Workflow.Datatypes;
+using Hawkeye.VisionBuilder.Workflow.Operations.Attributes;
+using OpenCvSharp;
+
+namespace Hawkeye.VisionBuilder.Workflow.Operations.Morphology;
+
+[Category("Morphology")]
+public class HatsOperation : BaseOperation
+{
+    public HatsOperation()
+    {
+        CanHaveProcessingError = false;
+    }
+
+    public int HatSize { get; set; } = 1;
+
+    protected override void InterpretInternal(Context context)
+    {
+        if (!CheckImageExists(context)) return;
+        if (!CheckGrayscale(context)) return;
+
+        var element = Cv2.GetStructuringElement(MorphShapes.Rect, new Size(HatSize, HatSize));
+        context.ActiveImage = new HawkeyeImage()
+        {
+            ImageData = context.ActiveImage!.ImageData.MorphologyEx(MorphTypes.TopHat, element)
+        };
+
+        Status = $"Black Hat {HatSize}";
+        Result = true;
+    }
+
+    public override void Save(BinaryWriter bw)
+    {
+        base.Save(bw);
+        bw.Write(HatSize);
+    }
+
+    public override void Load(BinaryReader br)
+    {
+        base.Load(br);
+        HatSize = br.ReadInt32();
+    }
+}