diff options
| author | Yuval Adam <yuv.adm@gmail.com> | 2014-08-08 14:42:07 +0300 |
|---|---|---|
| committer | Yuval Adam <yuv.adm@gmail.com> | 2014-08-08 14:42:07 +0300 |
| commit | a6163888f3c56123b1db313743c6147ba498732c (patch) | |
| tree | ff7d15d991d1d09ba6cbc0cec80924f57445bfdd /third_party/windows/fltk-1.1.10/src/Fl_visual.cxx | |
| parent | c3e4c9a25c2910d2d66d52215b3406b13d5b23d5 (diff) | |
Add third_party libs
Diffstat (limited to 'third_party/windows/fltk-1.1.10/src/Fl_visual.cxx')
| -rw-r--r-- | third_party/windows/fltk-1.1.10/src/Fl_visual.cxx | 121 |
1 files changed, 121 insertions, 0 deletions
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 <config.h>
+#include <FL/Fl.H>
+#include <FL/x.H>
+
+#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 <X11/extensions/Xdbe.h>
+#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; i<num; i++) if (test_visual(visualList[i], flags)) {
+ if (!found || found->depth < 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 $".
+//
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