Method for producing a scaleable typeface data
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United States of America Patent
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-
Jun 23, 1987
Grant Date -
N/A
app pub date -
Jul 6, 1984
filing date -
Jul 6, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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Cited Art Landscape
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