A printer according to the present invention includes a central processing unit (CPU) configured to be able to process variable data printing (VDP) data including reusable data which is repeatedly utilized in a plurality of pages, and variable data which is not repeatedly utilized, to generate a plurality of intermediate language data from the reusable data, according to a plurality of settings for color processing, and to select intermediate language data to be used when generating a bitmap image, from the plurality of intermediate language data generated by a generation unit, and a RIP unit configured to generate a bitmap image by performing RIP-processing on the selected intermediate language data.