MonoTouch.Dialog.ImagePickerElement.GetCell C# (CSharp) Method

		public override UITableViewCell GetCell (UITableView tv)
		{
			var cell = tv.DequeueReusableCell (ikey);
			if (cell == null){
				cell = new UITableViewCell (UITableViewCellStyle.Default, ikey);
			}
			
			if (scaled == null)
				return cell;
			
			Section psection = Parent as Section;
			bool roundTop = psection.Elements [0] == this;
			bool roundBottom = psection.Elements [psection.Elements.Count-1] == this;
			
			using (var cs = CGColorSpace.CreateDeviceRGB ()){
				using (var bit = new CGBitmapContext (IntPtr.Zero, dimx, dimy, 8, 0, cs, CGImageAlphaInfo.PremultipliedFirst)){
					if (roundBottom){
						bit.AddArc (rad, rad, rad, (float) Math.PI, (float) (3*Math.PI/2), false);
					} else {
						bit.MoveTo (0, rad);
						bit.AddLineToPoint (0, 0);
					}
					bit.AddLineToPoint (dimx, 0);
					bit.AddLineToPoint (dimx, dimy);
					
					if (roundTop){
						bit.AddArc (rad, dimy-rad, rad, (float) (Math.PI/2), (float) Math.PI, false);
						bit.AddLineToPoint (0, rad);
					} else {
						bit.AddLineToPoint (0, dimy);
					}
					bit.Clip ();
					bit.DrawImage (rect, scaled.CGImage);
					
					cell.ImageView.Image = UIImage.FromImage (bit.ToImage ());
				}
			}			
			return cell;
		}