using System.IO; namespace System.Drawing { public class Image { public int Width { get; set; } public int Height { get; set; } public static Image FromStream(Stream stream) { throw new NotImplementedException(); } } public class Point { public int X { get; set; } public int Y { get; set; } public int Width { get; set; } public int Height { get; set; } public Point(int width, int height) { Width = width; Height = height; } } public class SizeF { public float Width { get; set; } public float Height { get; set; } public SizeF(float width, float height) { Width = width; Height = height; } } public class Size { public int Width { get; set; } public int Height { get; set; } public Size() { Width = 0; Height = 0; } public Size(int width, int height) { Width = width; Height = height; } } }