| read | Graphics.Image.Interface |
| Readable | Graphics.Image.IO.Formats, Graphics.Image.IO, Graphics.Image.Types |
| readImage | Graphics.Image.IO |
| readImageExact | Graphics.Image.IO, Graphics.Image |
| readImageRGB | Graphics.Image |
| readImageRGBA | Graphics.Image |
| readImageY | Graphics.Image |
| readImageYA | Graphics.Image |
| realPart | Graphics.Image.ColorSpace, Graphics.Image.Types |
| realPart' | Graphics.Image.Processing.Complex |
| RedRGB | Graphics.Image.ColorSpace, Graphics.Image.Types |
| RedRGBA | Graphics.Image.ColorSpace, Graphics.Image.Types |
| Reflect | Graphics.Image.Interface, Graphics.Image.Processing, Graphics.Image.Types |
| resize | Graphics.Image.Processing |
| RGB | Graphics.Image.ColorSpace, Graphics.Image.Types |
| RGBA | Graphics.Image.ColorSpace, Graphics.Image.Types |
| rotate | Graphics.Image.Processing |
| rotate180 | Graphics.Image.Processing |
| rotate270 | Graphics.Image.Processing |
| rotate90 | Graphics.Image.Processing |
| rows | Graphics.Image |
| RP | |
| 1 (Type/Class) | Graphics.Image.Interface.Repa, Graphics.Image.Types, Graphics.Image |
| 2 (Data Constructor) | Graphics.Image.Interface.Repa, Graphics.Image.Types, Graphics.Image |
| RS | |
| 1 (Type/Class) | Graphics.Image.Interface.Repa, Graphics.Image.Types, Graphics.Image |
| 2 (Data Constructor) | Graphics.Image.Interface.Repa, Graphics.Image.Types, Graphics.Image |