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Implementation of Blanks Without Use of the Font Storage Memory Disclosure Number: IPCOM000039803D
Original Publication Date: 1987-Aug-01
Included in the Prior Art Database: 2005-Feb-01

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Hanna, SD [+details]


This article describes a baseline character generator that can be used to generate a raster image of a page from a memory that contains a coded and ordered representation of the page. More specifically, this article discloses a technique for minimizing font space usage for all blank areas (reduces pel storage requirements), such as blank characters, margin padding characters, etc. Providing blanks without the use of storage is obtained by allowing the use of characters which have zero valid height in the font (i.e., blanks). By allowing a character to have a specified valid character height, several other attractive characteristics are also obtainable. Characters which have a blank area on top (e.g.