- o -
- offset
: _Ascii85Info
, _BlobInfo
, _CacheInfo
, _CubeInfo
, _Image
, _MagicInfo
, _MagicMapInfo
, _MimeInfo
, _SignatureInfo
, _StopInfo
, _TokenInfo
, _XMLTreeInfo
- opacity
: _DoublePixelPacket
, _DrawInfo
, _LongPixelPacket
, _MagickPixelPacket
, _PixelPacket
, _QuantumPixelPacket
, _RealPixelPacket
- OpenCLInitialized
: _MagickCLEnv
- options
: _ImageInfo
- ordered
: _XMLTreeInfo
- orientation
: _CannyInfo
, _Image
, _ImageInfo
- origin
: _TypeMetric
- outer_bevel
: _FrameInfo