Methods and systems for hinting fonts

Details Methods and systems for hinting fonts Methods and systems for hinting fonts

2006-06-27

2006-06-27

Zimmerman, Mark (Department: 2676)

Computer graphics processing and selective visual display system

Computer graphics processing

Character generating

C345S467000, C345S468000, C345S471000, C345S472000, C345S470000, C345S619000

Reexamination Certificate

active

07068276

ABSTRACT:
In one embodiment, a font-hinting system is configured to select a first TrueType font that has been hinted with hints that define constraints between control points associated with individual characters of the font. Individual characters of a second TrueType font that correspond to individual characters of the first TrueType font are identified. The second TrueType font is different from the first TrueType font and individual characters of the second TrueType font are unhinted. Hints are transferred from characters of the first TrueType font to individual corresponding characters of the second TrueType font, and a hint is discarded where it appears inappropriate for a character of the second TrueType font. Further, the system maintains indicia of a discarded hint to indicate where a hint has been discarded.

REFERENCES:
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patent: 5577183 (1996-11-01), Weyand
patent: 5982387 (1999-11-01), Hellmann
patent: 6760028 (2004-07-01), Salesin et al.
Hersch et al., “Electronic Publishing, Artistic Imaging, and Digital Typography”, 7th International Conference on Electronic Publishing, EP'98, St. Malo, France, Mar. 30-Apr. 3, 1998 Proceedings, 11 pages.
Sederberg, “Computer Graphics”, A publication of ACM SIGGRAPH, vol. 25, No. 4, Jul. 1991, 12 pages.

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