check point

VisionBuilder.UI.Recipes.HawkeyeRecipe/OpenCVCanvas.cs

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+using Hawkeye.VisionBuilder.Workflow;
+using Hawkeye.VisionBuilder.Workflow.Datatypes.Elements;
+using OpenCvSharp;
+
+namespace VisionBuilder.UI.Recipes.HawkeyeRecipe;
+
+public class OpenCVCanvas:ICanvas
+{
+    private readonly Mat _image;
+
+    public OpenCVCanvas(Mat image)
+    {
+        _image = image;
+    }
+
+    public void DrawRectangle(Vector2 start, Vector2 size, bool isGood)
+    {
+        _image.Rectangle(
+            new Point(start.X, start.Y),
+            new Point(start.X + size.X, start.Y + size.Y),
+            isGood ? Scalar.Green : Scalar.Red,
+            2);
+    }
+
+    public void DrawLine(Vector2 start, Vector2 end, LineType type)
+    {
+        var color = type switch
+        {
+            LineType.Good => Scalar.Green,
+            LineType.Bad => Scalar.Red,
+            _ => Scalar.White
+        };
+        _image.Line(
+            new Point(start.X, start.Y),
+            new Point(end.X, end.Y),
+            color,
+            2);
+
+    }
+
+    public void DrawPoly(Vector2[] points, bool isGood)
+    {
+        var color = isGood ? Scalar.Green : Scalar.Red;
+        var cvPoints = points.Select(p => new Point(p.X, p.Y)).ToArray();
+        _image.Polylines([cvPoints], true, color, 2);
+
+    }
+
+    public void DrawCross(Vector2 location)
+    {
+        throw new NotImplementedException();
+    }
+
+    public void DrawNode(Vector2 location)
+    {
+        throw new NotImplementedException();
+    }
+
+    public void DrawArrow(Vector2 location, Vector2 direction)
+    {
+        throw new NotImplementedException();
+    }
+}