The method of inserting objects into a pdf document

Abstract

The present invention discloses a method for inserting objects into a PDF document, the method comprises the following steps: S1: collecting all manifestations of the objects to be inserted, and incorporating them into one configuration file; S2: establishing a mapping table, wherein the mapping table comprises indexes, and said indexes indicate the position of each expression form of the objects to be inserted in said configuration file; S3: creating an insert panel, opening said insert panel for a user to select or edit the objects to be inserted after the user issue an instruction of inserting object; and S4: closing said insert panel, and writing the contents edited by the user in the insert panel into the PDF document in the form of stream objects after the user issue a closing instruction. The method provided by the present invention can insert the mathematical formulas and special symbols directly into a PDF document, and modify them at any time according to the demand of users, which thereby greatly facilitates the user to operate on the formulas and special symbols, so that the efficiency of creating and editing a PDF document is enhanced.

Dependencies are inferred from the claim text.