Method for printing an electronic file

摘要

The method involves converting portions of a text line of an electronic file into digital images, where each portion of the text line comprises characters. Each digital image is modified for encrypting additional data, where the image is modified by adding an additional pattern and/or by applying a transformation or geometric distortion to the image. Print data of document is established, where each portion of the modified line is represented in the form of digital image in the document.