Paint-out method and apparatus

Details Paint-out method and apparatus Paint-out method and apparatus

1995-06-23

1996-11-26

Jankus, Almis R.

395126, G06T 1500

Patent

active

055794602

ABSTRACT:
The paint-out processing speed for the inner part of a figure is increased in the image supply unit for a printer. When a scan line is moved down to the vertex or intersection of a figure, which is expressed in the form of contour data, graphic lines present between the vertex or intersection and the next vertex or intersection are sorted in the scan direction, to form a sorting list. A fill list for designating a paint-out segment is formed on the basis of the sorting list. The paint-out processing is performed according to the fill list. The sorting is required only for the vertex or intersection, while the conventional paint-out method requires the sorting every scan line. The sorting time is reduced and the paint-out processing speed is increased.

REFERENCES:
patent: 4181953 (1980-01-01), Osofsky
patent: 5056045 (1991-10-01), Ohsawa
Computer Graphics, Foley et al., (2d ed. Addison-Wesley Publishing Co. 1990), pp. 73-74, 92-99.

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