Abstract ART mark object that provides general functions for all mark types.

Members:

IG_ARTX_mark_bounds_get	Queries annotation bounding rectangle.
IG_ARTX_mark_clone	Creates a copy of mark.
IG_ARTX_mark_clone_from_legacy	Creates a non-legacy object that corresponds to the source mark.
IG_ARTX_mark_create	Creates specified mark object with default attributes.
IG_ARTX_mark_delete	Deletes the mark object.
IG_ARTX_mark_hittest_bounds_get	Returns a minimal bounding rectangle containing all the graphic elements of annotation.
IG_ARTX_mark_move	Moves mark to the specified offset.
IG_ARTX_mark_tooltip_get	Queries annotation tooltip string.
IG_ARTX_mark_tooltip_set	Updates annotation tooltip string.
IG_ARTX_mark_type_get	Queries type of annotation.
IG_ARTX_mark_user_data_get	Queries user data associated with mark.
IG_ARTX_mark_user_data_set	Sets the user data associated with mark.
IG_ARTX_mark_visible_get	Queries visibility state of mark.
IG_ARTX_mark_visible_set	Sets the mark visibility state.