Watercolor simulation in computer graphics

Details Watercolor simulation in computer graphics Watercolor simulation in computer graphics

1991-01-31

1995-07-11

Herndon, Heather R.

395155, G06T 520

Patent

active

054328969

ABSTRACT:
Watercolor effects are simulated in computer graphics by defining a brush shape and brush type, selecting a wetness level for the drawing area and, in accordance with the selected wetness level, causing the brush stroke to merely interpolate the brush color with the pre-existing color in the stroked area, create a texture effect of diminishing brush color, or create a smearing effect by interpolating the pre-existing color at a new brush position with that of the previous brush position before interpolating it with the brush color. Apparatus is also disclosed for selecting various brush attributes and brush color parameters.

REFERENCES:
patent: 4524421 (1985-06-01), Searby et al.
patent: 4633416 (1986-12-01), Walker
Bill Snider et al, "SuperPaint", 1987, 1 copied page.
Microsoft Corporation, "Microsoft Paintbrush User's Guide", 1989, pp. 11-14, 24-27, 94-96 & 122.
Macguide Magazine, "Studio 8 is Enough", Apr. 1989, p. 63.
Froissart, "Artist get graphics Oasis from Time Arts", Oct. 1990, p. 45.

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