Method of manipulating fonts containing large numbers of charact

Details Method of manipulating fonts containing large numbers of charact Method of manipulating fonts containing large numbers of charact

1994-04-07

1996-07-02

Herndon, Heather R.

395155, G06F 1500

Patent

active

055331807

ABSTRACT:
A method of enabling a computer user to manipulate, as one font, an arbitrary number of special characters exceeding the 256 characters which single byte font schemes can represent in one font. The invention takes advantage of the user-activatable font management capabilities built into popular application programs, such as a mechanism for switching between different standard character fonts; and, a font display mechanism for enabling the user to monitor the font switching procedure. The special characters are divided into font segments, with each segment containing a number "X" (less than 256) characters. The segments are stored for subsequent retrieval. Each character input by the user is scanned to determine whether it is one of the special characters. Non-special characters are passed without further action. If a special character is detected, the stored font segment containing that character is identified to see if it is the font currently in use by the program. If so, control passes to the application program. Otherwise, the font switching mechanism is activated to select the font segment containing the input character as the current font. As this is done, activation of the font display mechanism is suppressed so that the font switching occurs in a manner transparent to the user. Control then passes to the application program.

REFERENCES:
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"Our Computer Player" newspaper, 18 Feb. 1994, pp. 41-42 including p. 41 Chinese language article respecting font manipulation software and advertisements (pp. 41 & 42) of TwinBridge and HanWenDao products.
"Top Solutions For Chinese Desktop Publishing", undated brochure of Top Computech Co., Ltd., Vancouver, B.C., Canada.
Undated poster of Top Computech Co. Ltd., Vancouver, B.C., Canada.
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