Patent ID: 7957033

Claim:
A non-transitory computer-readable medium storing software instructions for execution by a computing device, the software instructions for enabling a computer connected to a printing apparatus to perform predetermined operations comprising: creating printing data based on at least one of a character and an image; reading out watermark data chosen from a plurality of watermark data, each of the watermark data corresponding to each of a plurality of image files stored in a memory; synthesizing the read-out watermark data and the created printing data so as to generate output data; outputting the generated output data to the printing apparatus; and when an instruction is given to create a new image file based on the created printing data, instead of reading out the watermark data and synthesizing the read-out watermark data and outputting the generated output data to the printing apparatus, performing the following: creating a new image file of the created printing data for a new watermark; and storing the created new image file in the memory, wherein a plurality of new image files are created, each new image file corresponding to the printing data on each of a plurality of pages, and wherein each new image file is stored in the memory individually.