//// "$Id: fl_set_gray.cxx,v 1.1.1.1 2003/08/07 21:18:41 jasonk Exp $"//// Background (gray) color routines for the Fast Light Tool Kit (FLTK).//// Copyright 1998-1999 by Bill Spitzak and others.//// This library is free software; you can redistribute it and/or// modify it under the terms of the GNU Library General Public// License as published by the Free Software Foundation; either// version 2 of the License, or (at your option) any later version.//// This library is distributed in the hope that it will be useful,// but WITHOUT ANY WARRANTY; without even the implied warranty of// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU// Library General Public License for more details.//// You should have received a copy of the GNU Library General Public// License along with this library; if not, write to the Free Software// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307// USA.//// Please report all bugs and problems to "fltk-bugs@easysw.com".//// -fg, -bg, and -bg2 switches#include <FL/Fl.H>void Fl::background(uchar r, uchar g, uchar b) {  // replace the gray ramp so that color 47 is this color  int i;  for (i = 32; i <= 47; i++) {    int m = (i-32)*255/23;    Fl::set_color((Fl_Color)i,r*m/166,g*m/166,b*m/166);  }  for (; i < 56; i++) {    int m = 255-(i-32)*255/23;    Fl::set_color((Fl_Color)i,255-(255-r)*m/89,255-(255-g)*m/89,255-(255-b)*m/89);  }}static void set_others() {  uchar r,g,b; Fl::get_color(FL_BLACK,r,g,b);  uchar r1,g1,b1; Fl::get_color(FL_WHITE,r1,g1,b1);  Fl::set_color(FL_INACTIVE_COLOR,(2*r+r1)/3, (2*g+g1)/3, (2*b+b1)/3);  Fl::set_color(FL_SELECTION_COLOR,(2*r1+r)/3, (2*g1+g)/3, (2*b1+b)/3);}void Fl::foreground(uchar r, uchar g, uchar b) {  Fl::set_color(FL_BLACK,r,g,b);  set_others();}void Fl::background2(uchar r, uchar g, uchar b) {  Fl::set_color(FL_WHITE,r,g,b);  set_others();}//// End of "$Id: fl_set_gray.cxx,v 1.1.1.1 2003/08/07 21:18:41 jasonk Exp $".//