| RLEAccel | Graphics.UI.SDL.Types, Graphics.UI.SDL |
| RWops | Graphics.UI.SDL.Types, Graphics.UI.SDL |
| RWopsStruct | Graphics.UI.SDL.Types, Graphics.UI.SDL |
| Rect |
| 1 (Type/Class) | Graphics.UI.SDL.Rect, Graphics.UI.SDL |
| 2 (Data Constructor) | Graphics.UI.SDL.Rect, Graphics.UI.SDL |
| Resizable | Graphics.UI.SDL.Types, Graphics.UI.SDL |
| rawSetCaption | Graphics.UI.SDL.WindowManagement, Graphics.UI.SDL |
| rectH | Graphics.UI.SDL.Rect, Graphics.UI.SDL |
| rectW | Graphics.UI.SDL.Rect, Graphics.UI.SDL |
| rectX | Graphics.UI.SDL.Rect, Graphics.UI.SDL |
| rectY | Graphics.UI.SDL.Rect, Graphics.UI.SDL |
