1. An image processing apparatus comprising: a drawing control unit adapted to handle a page of drawing data as a set of pieces of drawing data each provided by segmenting a page of image into a plurality of areas; and a rendering unit adapted to render drawing data of each segmented area in accordance with an instruction of the drawing control unit, wherein the drawing control unit holds information used to determine a rendering resolution in association with a drawing object in each segmented area, and the rendering unit determines a rendering resolution of a drawing object in each area based on the information used to determine the rendering resolution.