Method and apparatus for manipulating outlines in improving digi

Details Method and apparatus for manipulating outlines in improving digi Method and apparatus for manipulating outlines in improving digi

1989-05-08

1992-10-27

Harkcom, Gary V.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

395150, 340747, 340750, G06F 1572

Patent

active

051596687

ABSTRACT:
In a computer system with a raster output device, a method for manipulating the outlines of a symbol image at various sizes such that the outline defines a close representation of the symbol image. A plurality of control points which correspond to an outline of the symbol image are stored in a memory of the computer system. The size of the symbol image which is to be output on the raster device is determined. The computer system then determines, given the size of the symbol image, whether the control points of the outline of the symbol must be adjusted in order to provide a proper display of the symbol. If adjustment is warranted, at least one of the control points for the outline is selected. The selected control points are then displaced by a predetermined amount to form a new outline of the symbol image. This adjusted outline is then stored in the computer system's memory and may be output in the raster device. The rearrangement of the outline of the symbol provides for a more uniform visual display of the symbol regardless of its size.

REFERENCES:
patent: 4675830 (1987-06-01), Hawkins
patent: 4823282 (1989-04-01), Yamagami
patent: 4829446 (1989-05-01), Draney

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