Copyright (C) 1992, Digital Equipment Corporation
All rights reserved.
See the file COPYRIGHT for a full description.
by Steve Glassman and Stephen Harrison
Last modified on Wed Jun 3 00:06:20 1992 by steveg
INTERFACE MGPaintOp;
Allows the user to animate the color of a PaintOp.T
IMPORT
PaintOp, VBT;
TYPE
RGB = RECORD r, g, b: REAL END;
PROCEDURE New(rgb: RGB): PaintOp.T;
produce a new paint op whose color is initially rgb
PROCEDURE Set(st: VBT.ScreenType; op: PaintOp.T; rgb: RGB);
change the color of op (created by New) to rgb. If op was
not created by New, then Set is a noop.
PROCEDURE Get(op: PaintOp.T): RGB;
return the current rgb value of op. If op was not created by
New then the result of Get is undefined.
END MGPaintOp.