An multifunction peripheral includes a font dictionary data configured to include an italic font and a non-italic font for each character code, a determination method selection unit that selects, from a plurality of italic determination methods that are used for italic determination for the character, the italic determination method that is associated with the character code that has been acquired, an italic determination unit that determines whether or not the character in the image data is italic using the italic determination method that has been selected by the determination method selection unit, and a font specifying unit that specifies a font of the character by checking the character that has been determined to be italic by the italic determination unit only with the italic font and checking the character that has been determined to be non-italic only with the non-italic font.