Working on the core part.

Progrart.Core/JSExecution/ProgrartFunctions.cs

@@ -0,0 +1,45 @@
+using Jint.Native;
+using Progrart.Core.Graphics;
+
+namespace Progrart.Core.JSExecution
+{
+    public static class ProgrartFunctions
+	{
+		public static JsObject WrapObject(ProgrartExecutor executor, int Handle)
+		{
+			var obj = new JsObject(executor.engine.Engine);
+			string handle_str = $"{Handle}";
+			obj.Set("id", handle_str);
+			obj.Set("add", JsValue.FromObject(executor.engine.Engine, new Action<JsObject>((obj) =>
+			{
+				executor.ObjectPool[handle_str].Add(executor.ObjectPool[$"{obj.Get("id")}"]);
+			})));
+			return obj;
+		}
+		public static JsObject color(ProgrartExecutor executor, double r, double g, double b, double a)
+		{
+			var obj = new JsObject(executor.engine.Engine);
+			obj.Set("r", r);
+			obj.Set("g", g);
+			obj.Set("b", b);
+			obj.Set("a", a);
+			return obj;
+		}
+		public static JsObject color(ProgrartExecutor executor, double r, double g, double b)
+		{
+			var obj = new JsObject(executor.engine.Engine);
+			obj.Set("r", r);
+			obj.Set("g", g);
+			obj.Set("b", b);
+			obj.Set("a", 1);
+			return obj;
+		}
+		public static JsObject CreateVisualRoot(ProgrartExecutor executor)
+		{
+			VisualRoot root = new();
+			var obj = WrapObject(executor, executor.RegisterObject(root));
+			root.__object = obj;
+			return obj;
+		}
+	}
+}