Method for producing a scaleable typeface data

Details Method for producing a scaleable typeface data Method for producing a scaleable typeface data

1984-07-06

1987-06-23

Krass, Errol A.

Boots, shoes, and leggings

340731, 364523, G06F 3153, G06F 1520

Patent

active

046758305

ABSTRACT:
A method for producing scaleable contour data that is capable of providing: (1) bit-map font data at any resolution and at any point size and, (2) grid aligned contours for output to contour driven devices such as, pen plotters and numerically controlled machines, is disclosed. The method "stretches" and "compresses" character contours to bring specified contour points ("Skeletal Points") into proper alignment with the "bit-map grid". The mathematical basis for the method is one of (1) breaking the character contour into segments (between a pair of Skeletal Points), (2) offsetting all coordinates in the segment to bring the first Skeletal Point to align with the grid, and finally, (3) linear scaling of the segment with a scale factor which brings the second Skeletal Point to align with the grid.

REFERENCES:
patent: 4029947 (1977-06-01), Evans et al.
patent: 4153896 (1979-05-01), White
patent: 4156915 (1979-05-01), Hasenbalg et al.
patent: 4298945 (1981-11-01), Kyte et al.
patent: 4338673 (1982-07-01), Brown

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