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- /* plot, unix plot file to graphics device translators.
- Copyright (C) 1989 Free Software Foundation, Inc.
-
- plot is distributed in the hope that it will be useful, but WITHOUT
- ANY WARRANTY. No author or distributor accepts responsibility to
- anyone for the consequences of using it or for whether it serves any
- particular purpose or works at all, unless he says so in writing.
- Refer to the GNU General Public License for full details.
-
- Everyone is granted permission to copy, modify and redistribute plot,
- but only under the conditions described in the GNU General Public
- License. A copy of this license is supposed to have been given to you
- along with plot so you can know your rights and responsibilities. It
- should be in a file named COPYING. Among other things, the copyright
- notice and this notice must be preserved on all copies. */
-
-
- /* This file is the color routine, which is an extension to the plot
- library. It changes the color of the following drawing operations. */
-
- #include "sys-defines.h"
- #include "libplot.h"
- #include "extern.h"
-
- /* FGCOLOR_RED, FGCOLOR_GREEN and FGCOLOR_BLUE indicate the foreground
- color of all plot. For each the range of intensity is from 0 to 1 so
- that a value of (0,0,0) represents black and a value of (1,1,1)
- indicates white. */
-
- double fgcolor_red=0., fgcolor_green=0., fgcolor_blue=0.;
-
- int
- color ( red, green, blue)
- int red, green, blue;
- {
- fgcolor_red = red / 0xffff;
- fgcolor_green = green / 0xffff;
- fgcolor_blue = blue / 0xffff;
- return 0;
- }
-