From a6163888f3c56123b1db313743c6147ba498732c Mon Sep 17 00:00:00 2001 From: Yuval Adam Date: Fri, 8 Aug 2014 14:42:07 +0300 Subject: Add third_party libs --- third_party/windows/fltk-1.1.10/src/Fl_visual.cxx | 121 ++++++++++++++++++++++ 1 file changed, 121 insertions(+) create mode 100644 third_party/windows/fltk-1.1.10/src/Fl_visual.cxx (limited to 'third_party/windows/fltk-1.1.10/src/Fl_visual.cxx') diff --git a/third_party/windows/fltk-1.1.10/src/Fl_visual.cxx b/third_party/windows/fltk-1.1.10/src/Fl_visual.cxx new file mode 100644 index 0000000..6a9ee85 --- /dev/null +++ b/third_party/windows/fltk-1.1.10/src/Fl_visual.cxx @@ -0,0 +1,121 @@ +// +// "$Id: Fl_visual.cxx 5190 2006-06-09 16:16:34Z mike $" +// +// Visual support for the Fast Light Tool Kit (FLTK). +// +// Copyright 1998-2005 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 on the following page: +// +// http://www.fltk.org/str.php +// + +// Set the default visual according to passed switches: + +#include +#include +#include + +#ifdef WIN32 +int Fl::visual(int flags) { + fl_GetDC(0); + if (flags & FL_DOUBLE) return 0; + if (!(flags & FL_INDEX) && + GetDeviceCaps(fl_gc,BITSPIXEL) <= 8) return 0; + if ((flags & FL_RGB8) && GetDeviceCaps(fl_gc,BITSPIXEL)<24) return 0; + return 1; +} +#elif defined(__APPLE__) + +// \todo Mac : need to implement Visual flags +int Fl::visual(int flags) { + (void)flags; + return 1; +} + +#else + +#if USE_XDBE +#include +#endif + +static int test_visual(XVisualInfo& v, int flags) { + if (v.screen != fl_screen) return 0; +#if USE_COLORMAP + if (!(flags & FL_INDEX)) { + if (v.c_class != StaticColor && v.c_class != TrueColor) return 0; + if (v.depth <= 8) return 0; // fltk will work better in colormap mode + } + if (flags & FL_RGB8) { + if (v.depth < 24) return 0; + } + // for now, fltk does not like colormaps of more than 8 bits: + if ((v.c_class&1) && v.depth > 8) return 0; +#else + // simpler if we can't use colormapped visuals at all: + if (v.c_class != StaticColor && v.c_class != TrueColor) return 0; +#endif +#if USE_XDBE + if (flags & FL_DOUBLE) { + static XdbeScreenVisualInfo *xdbejunk; + if (!xdbejunk) { + int event_base, error_base; + if (!XdbeQueryExtension(fl_display, &event_base, &error_base)) return 0; + Drawable root = RootWindow(fl_display,fl_screen); + int numscreens = 1; + xdbejunk = XdbeGetVisualInfo(fl_display,&root,&numscreens); + if (!xdbejunk) return 0; + } + for (int j = 0; ; j++) { + if (j >= xdbejunk->count) return 0; + if (xdbejunk->visinfo[j].visual == v.visualid) break; + } + } +#endif + return 1; +} + +int Fl::visual(int flags) { +#if USE_XDBE == 0 + if (flags & FL_DOUBLE) return 0; +#endif + fl_open_display(); + // always use default if possible: + if (test_visual(*fl_visual, flags)) return 1; + // get all the visuals: + XVisualInfo vTemplate; + int num; + XVisualInfo *visualList = XGetVisualInfo(fl_display, 0, &vTemplate, &num); + // find all matches, use the one with greatest depth: + XVisualInfo *found = 0; + for (int i=0; idepth < visualList[i].depth) + found = &visualList[i]; + } + if (!found) {XFree((void*)visualList); return 0;} + fl_visual = found; + fl_colormap = XCreateColormap(fl_display, RootWindow(fl_display,fl_screen), + fl_visual->visual, AllocNone); + return 1; +} + +#endif + +// +// End of "$Id: Fl_visual.cxx 5190 2006-06-09 16:16:34Z mike $". +// -- cgit v1.3.1