Computer graphics processing and selective visual display system – Display peripheral interface input device – Light pen for fluid matrix display panel
Patent
1997-05-05
1998-06-23
Wu, Xiao
Computer graphics processing and selective visual display system
Display peripheral interface input device
Light pen for fluid matrix display panel
345192, G09G 522
Patent
active
057710341
ABSTRACT:
An improved font format for displaying text-based characters on pixel-oriented display devices. The improved font format includes a simplified header that includes font information and a plurality of flags indicating one of a plurality of predetermined formats for the plurality of glyph bitmaps. The header also includes a flag indicating whether the font was derived from a bitmapped font and a flag indicating whether the font is stored as a small format (i.e., less than 64k) or a large format (i.e., greater than 64k). A movable glyph offset table and a movable advance width table are also provided. To facilitate antialiased textout, additional background mode values are provided to allow for a blending of the glyphs into the background.
REFERENCES:
patent: 4594674 (1986-06-01), Boulia et al.
patent: 4622546 (1986-11-01), Sfarti et al.
patent: 4881069 (1989-11-01), Kameda et al.
patent: 4908780 (1990-03-01), Priem et al.
patent: 4998210 (1991-03-01), Kadono et al.
patent: 5021974 (1991-06-01), Pisculli et al.
patent: 5040130 (1991-08-01), Chang et al.
patent: 5099435 (1992-03-01), Collins et al.
patent: 5175811 (1992-12-01), Sone et al.
patent: 5280577 (1994-01-01), Trevett et al.
patent: 5300946 (1994-04-01), Patrick
patent: 5533180 (1996-07-01), Zhou et al.
patent: 5583978 (1996-12-01), Collins et al.
Microsoft Corporation
Wu Xiao
LandOfFree
Font format does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Font format, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Font format will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1397779