//// "$Id: Fl_own_colormap.cxx,v 1.1.1.1 2003/08/07 21:18:40 jasonk Exp $"//// Private colormap support 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".//// Using the default system colormap can be a bad idea on PseudoColor// visuals, since typically every application uses the default colormap and// you can run out of colormap entries easily.//// The solution is to always create a new colormap on PseudoColor displays// and copy the first 16 colors from the default colormap so that we won't// get huge color changes when switching windows.#include <config.h>#include <FL/Fl.H>#include <FL/x.H>#ifdef WIN32// There is probably something relevant to do on MSWindows 8-bit displays// but I don't know what it isvoid Fl::own_colormap() {}#else// X versionvoid Fl::own_colormap() {  fl_open_display();#ifndef NANO_X#if USE_COLORMAP  switch (fl_visual->c_class) {  case GrayScale :  case PseudoColor :  case DirectColor :    break;  default:    return; // don't do anything for non-colormapped visuals  }  int i;  XColor colors[16];  // Get the first 16 colors from the default colormap...  for (i = 0; i < 16; i ++) colors[i].pixel = i;  XQueryColors(fl_display, fl_colormap, colors, 16);  // Create a new colormap...  fl_colormap = XCreateColormap(fl_display,				RootWindow(fl_display,fl_screen),				fl_visual->visual, AllocNone);  // Copy those first 16 colors to our own colormap:  for (i = 0; i < 16; i ++)    XAllocColor(fl_display, fl_colormap, colors + i);#endif#endif//tanghao}#endif//// End of "$Id: Fl_own_colormap.cxx,v 1.1.1.1 2003/08/07 21:18:40 jasonk Exp $".//