- (canvas-mark-type [canvas canvas?]) -> symbol?procedure
Retrieves the current marker symbol type for the given canvas. Possible values are
- '+ or 'plus
- '* or 'star
- '0 or 'circle
- 'O or 'hollow-circle
- 'X or 'x
- 'box
- 'hollow-box
- 'diamond
- 'hollow-diamond
Retrieves the current marker symbol type for the given canvas. Possible values are