| odiamondTip | Wumpus.Drawing.Connectors.Arrowheads, Wumpus.Drawing.Connectors |
| odiamondWideTip | Wumpus.Drawing.Connectors.Arrowheads, Wumpus.Drawing.Connectors |
| odiskTip | Wumpus.Drawing.Connectors.Arrowheads, Wumpus.Drawing.Connectors |
| old_lace | Wumpus.Drawing.Colour.SVGColours |
| olive | Wumpus.Drawing.Colour.SVGColours |
| olive_drab | Wumpus.Drawing.Colour.SVGColours |
| olive_drab1 | Wumpus.Drawing.Colour.X11Colours |
| olive_drab2 | Wumpus.Drawing.Colour.X11Colours |
| olive_drab3 | Wumpus.Drawing.Colour.X11Colours |
| olive_drab4 | Wumpus.Drawing.Colour.X11Colours |
| optimizeLines | Wumpus.Drawing.Paths.Base.AbsPath, Wumpus.Drawing.Paths.Absolute |
| orange | Wumpus.Drawing.Colour.SVGColours |
| orange1 | Wumpus.Drawing.Colour.X11Colours |
| orange2 | Wumpus.Drawing.Colour.X11Colours |
| orange3 | Wumpus.Drawing.Colour.X11Colours |
| orange4 | Wumpus.Drawing.Colour.X11Colours |
| orange_red | Wumpus.Drawing.Colour.SVGColours |
| orange_red1 | Wumpus.Drawing.Colour.X11Colours |
| orange_red2 | Wumpus.Drawing.Colour.X11Colours |
| orange_red3 | Wumpus.Drawing.Colour.X11Colours |
| orange_red4 | Wumpus.Drawing.Colour.X11Colours |
| orchid | Wumpus.Drawing.Colour.SVGColours |
| orchid1 | Wumpus.Drawing.Colour.X11Colours |
| orchid2 | Wumpus.Drawing.Colour.X11Colours |
| orchid3 | Wumpus.Drawing.Colour.X11Colours |
| orchid4 | Wumpus.Drawing.Colour.X11Colours |
| orevtri45 | Wumpus.Drawing.Connectors.Arrowheads, Wumpus.Drawing.Connectors |
| orevtri60 | Wumpus.Drawing.Connectors.Arrowheads, Wumpus.Drawing.Connectors |
| orevtri90 | Wumpus.Drawing.Connectors.Arrowheads, Wumpus.Drawing.Connectors |
| orthontAxes | Wumpus.Drawing.Extras.Axes |
| osquareTip | Wumpus.Drawing.Connectors.Arrowheads, Wumpus.Drawing.Connectors |
| oStraightLines | Wumpus.Drawing.Basis.DrawingPrimitives |
| otri45 | Wumpus.Drawing.Connectors.Arrowheads, Wumpus.Drawing.Connectors |
| otri60 | Wumpus.Drawing.Connectors.Arrowheads, Wumpus.Drawing.Connectors |
| otri90 | Wumpus.Drawing.Connectors.Arrowheads, Wumpus.Drawing.Connectors |