Computer method and apparatus for converting compressed characte

Details Computer method and apparatus for converting compressed characte Computer method and apparatus for converting compressed characte

1991-11-27

1995-04-04

Herndon, Heather R.

Boots, shoes, and leggings

395151, 36441909, 345 26, 345128, 345194, G06F 1562

Patent

active

054044367

ABSTRACT:
The invention method and apparatus employs font metrics data related to font bitmaps for characters of a desired font. Position offsets of pieces in composite characters are read from the font metrics data and are converted to the appropriate pixel offset to adjust the bitmaps of subject compressed font characters. The adjusted bitmaps of the different pieces of a subject composite character are combined to form a working bitmap which represents each piece of the composite character in full size in the subject font. Screen display of composite characters decompressed to full-size is supported by the formed working bitmaps.

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PostScript Language Reference Manual, Second Edition, Adobe Systems, Inc. Addison-Wesley Publishing Company, Inc., pp. 271-274 and 339-342, (1991).
Adobe Font Metric Files Specification, Version 3.0, Adobe Systems, Inc., pp. 3-31, (1990).
Inside Macintosh, vol. VI, Apple Computer Inc., Chapter 12, "The Font Manager" pp. 12-1 to 12-22, (1991).
Scheifler et al., X Window System, Second Edition, Digital Press, pp. 555-586 and 750-755, (1990).

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