OPERATION DEVICE, INFORMATION PROCESSING APPARATUS PROVIDED WITH OPERATION DEVICE, AND OPERATION ACCEPTANCE METHOD FOR INFORMATION PROCESSING APPARATUS

摘要

An operation device includes: a touch panel (4) which detects a contact position at which an external object has come into contact therewith and outputs a result of the detection; a detection unit (71) which, on the basis of the detection result outputted by the touch panel, detects a trajectory from a start position at which the object starts to come into contact with the touch panel to an end position at which the object separates from the touch panel; and a line drawing determination unit (72) which, on the basis of the trajectory detected by the detection unit, determines whether or not a line drawing operation for dividing the touch panel by a straight line has been performed.