Patent ID: 7050194

Claim:
An image processing apparatus that processes image data with regard to a plurality of pages by halftone processing, said image processing apparatus comprising: an input unit that inputs the image data which has a variable length; an image dividing unit that divides the image data into the plurality of pages each having a predetermined size; a division data generating unit that generates division data from the plurality of pages, the division data indicating a boundary between adjacent pages; and a halftone processing unit that performs a halftone processing on a collective set of the plurality of pages and the division data, wherein, in a continuous mode, the halftone processing unit performs the halftone processing on each page using parameters while the parameters used in the halftone processing of a previous page are maintained beyond the boundary irrespective of the division data, and in a standard mode, when the division data is detected, the halftone processing unit performs the halftone processing on each page using the parameters after initialization of the parameters used in the halftone processing of the previous page.