Image forming apparatus and method for forming an image according to image drawing data

摘要

An image forming apparatus receives printing data including image drawing data and job information specifying a name of an application program used to generate the image drawing data. The apparatus includes: a data analyzer which determines whether the image drawing data were generated by the application program; a data quantity assessor which analyzes the image drawing data to determine a quantity of data to be printed; and an image forming unit which forms an image by a first process if the image drawing data were not generated by the application program or the quantity of data to be printed does not exceed a predetermined threshold, and forms an image by a second process if the image drawing data were generated by the application program and the quantity of data to be printed exceeds the predetermined threshold.