Create RectangleFigure.cs

DrawFigureLibrary/Figures/RectangleFigure.cs

@@ -0,0 +1,34 @@
+using System.Windows;
+using System.Windows.Media;
+
+namespace DrawFigureLibrary.Figures
+{
+    public class RectangleFigure : Figure
+    {
+        public RectangleFigure(string name, int x, int y, int w, int h) : base(name, x, y, w, h) { }
+
+        public override void Draw(DrawingContext drawingContext)
+        {
+            var rect = new Rect(x, y, w, h);
+            drawingContext.DrawRectangle(null, Init.pen, rect);
+        }
+
+        public void Resize(int newW, int newH)
+        {
+            if (newW <= 0 || newH <= 0) throw new ArgumentException("Размеры должны быть > 0");
+            w = newW;
+            h = newH;
+        }
+
+        public override void MoveBy(int deltaX, int deltaY)
+        {
+            if (Init.DrawingImage == null) return;
+
+            if (Figure.Check(this, deltaX, deltaY, Init.DrawingImage))
+            {
+                x += deltaX;
+                y += deltaY;
+            }
+        }
+    }
+}