### - r -

- raised : _XWidgetInfo
- raw : _MagickInfo
- reason : _ExceptionInfo
- red : _DoublePixelPacket , _PixelPacket , _Cluster , _RealPixelPacket , _DiversityPacket , _LongPixelPacket , _MagickPixelPacket
- red_primary : _ChromaticityInfo
- reference_count : _BlobInfo , _CacheInfo , _Image , SemaphoreInfo
- register_module : _ModuleInfo
- relinquish : _ExceptionInfo
- relinquish_key : _HashmapInfo , _SplayTreeInfo
- relinquish_value : _HashmapInfo , _SplayTreeInfo
- render : _DrawInfo
- rendering_intent : _Image
- resample_filter : _FxInfo
- rho : _GeometryInfo
- right : _NodeInfo , _ExtentPacket , _IntervalTree
- root : _CubeInfo , _XMLTreeRoot , _SplayTreeInfo , _CubeInfo
- rows : _NexusInfo , _Image , _CacheInfo
- rx : _AffineMatrix
- ry : _AffineMatrix