check point

Hawkeye.VisionBuilder.Workflow/Operations/Basic/DetectionPaddingOperation.cs

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+using Hawkeye.VisionBuilder.Workflow.Datatypes;
+using Hawkeye.VisionBuilder.Workflow.Operations.Attributes;
+using OpenCvSharp;
+
+namespace Hawkeye.VisionBuilder.Workflow.Operations.Basic;
+
+[Category("Basic")]
+public class DetectionPaddingOperation:BaseOperation
+{
+    public int HorizontalPadding { get; set; }
+    public int VerticalPadding { get; set; }
+
+
+    protected override void InterpretInternal(Context context)
+    {
+        if (!CheckImageExists(context)) return;
+        if (!CheckGrayscale(context)) return;
+
+        // fill edges with black on top and bottom without changing the image size
+        var image = context.ActiveImage;
+        var newImage = new Mat(image.ImageData.Rows, image.ImageData.Cols, MatType.CV_8UC1, Scalar.Black);
+
+        
+        
+        var mask = new Mat(image.ImageData.Rows, image.ImageData.Cols, MatType.CV_8UC1, Scalar.Black);
+        var maskRoi = mask[VerticalPadding, image.ImageData.Rows - VerticalPadding, HorizontalPadding, image.ImageData.Cols - HorizontalPadding];
+        //fill the mask with white
+        maskRoi.SetTo(Scalar.White);
+
+        image.ImageData.CopyTo(newImage, mask);
+        
+        mask.Dispose();
+        maskRoi.Dispose();
+        context.ActiveImage = new HawkeyeImage()
+        {
+            ImageData = newImage
+        };
+
+
+    }
+
+    public override void Save(BinaryWriter bw)
+    {
+        base.Save(bw);
+        bw.Write(HorizontalPadding);
+        bw.Write(VerticalPadding);
+    }
+
+    public override void Load(BinaryReader br)
+    {
+        base.Load(br);
+        HorizontalPadding = br.ReadInt32();
+        VerticalPadding = br.ReadInt32();
+    }
+}