Bi-directional text support in legacy applications

Details Bi-directional text support in legacy applications Bi-directional text support in legacy applications

2005-06-21

2005-06-21

Feild, Joseph (Department: 2176)

Data processing: presentation processing of document, operator i

Presentation processing of document

Layout

C715S252000, C715S252000

Reexamination Certificate

active

06910185

ABSTRACT:
A method and apparatus for support of bi-directional text in legacy applications is disclosed. The method may be used in different embodiments for either monospace or proportionally spaced fonts. In general, the method involves first flipping all of the text, and thereby putting most of the text into its proper position and orientation. The method then involves finding any foreign (left-to-right) text within the flipped text, and flipping it back.

REFERENCES:
patent: 5784069 (1998-07-01), Daniels et al.
patent: 5812122 (1998-09-01), Ng
patent: 5857201 (1999-01-01), Wright et al.
patent: 6493735 (2002-12-01), Kumhyr
patent: 0585073 (1994-03-01), None
“The UCData Unicode Character Properties and Bidi Algorithm Package”, [http://web.archive.org/web/20000418023934/http://crl.nmsu.edu/˜mleisher/ucdata.html], published on the Internet on Apr. 18, 2000.
David J. Ittner, “Automatic Inference of Textline Orientation”, 12508 Proceedings, Second Annual Symposium on Document Analysis & Information Retrieval, pp. 123-133, 1993, XP 000522437.

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