| 摘要 |
PROBLEM TO BE SOLVED: To retrieve information contained in an original file after file format conversion.SOLUTION: A method for file conversion includes: obtaining an original file including content, that includes a plurality of objects; rendering each of the plurality of objects into a page description language (PDL) format to obtain rendered objects; extracting, from the original file, a tag for each of the plurality of objects; and generating object composition metadata on the basis of a composition rule corresponding to the tag. The object composition metadata includes a description of a composition of the object in the original file, and is added with the rendered objects to a PDL file. |
