1. A character pattern generating apparatus comprising: memory means for storing reference coordinate information, consisting of x and y coordinates, for representing at least one reference point not included in an outline forming a character and relative coordinate information representing a relative distance, consisting of x and y components, to a coordinate point on an outline forming the character from another coordinate point or from a reference point; means for size changing each of the x and y components of the relative coordinate information stored in said memory means in response to a magnification ratio of a character to be generated and making each of the size-changed x and y components become an integer; means for deriving absolute coordinate information of an outline forming the character to be generated, based on the x and y coordinates of the reference coordinate information stored in said memory means and the x and y components of the relative coordinate information made integers by said size changing means; and generating means for generating a character pattern based on the absolute coordinate information derived by said deriving means.