Include a stripped-down version of FLTK in tree and add a USE_INCLUDED_FLTK option to build against it.


git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4603 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/common/fltk/src/fl_rounded_box.cxx b/common/fltk/src/fl_rounded_box.cxx
new file mode 100644
index 0000000..ca7f009
--- /dev/null
+++ b/common/fltk/src/fl_rounded_box.cxx
@@ -0,0 +1,99 @@
+//
+// "$Id: fl_rounded_box.cxx 7903 2010-11-28 21:06:39Z matt $"
+//
+// Rounded box drawing routines for the Fast Light Tool Kit (FLTK).
+//
+// Copyright 1998-2010 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
+//
+
+#include <FL/Fl.H>
+#include <FL/fl_draw.H>
+
+#define RN	5
+#define RS	15
+#define BW	3
+
+static double offset[RN] = { 0.0, 0.07612, 0.29289, 0.61732, 1.0};
+
+static void rbox(int fill, int x, int y, int w, int h) {
+  int i;
+  int rsx ,rsy, rs;
+  rsx = w*2/5; rsy = h*2/5;
+  if (rsx > rsy) rs = rsy; else  rs = rsx;
+  if (rs > RS) rs = RS;
+  rsx = rs; rsy = rs;
+
+  if (fill) fl_begin_polygon(); else fl_begin_loop();
+  for (i=0; i<RN; i++)
+    fl_vertex(x + offset[RN-i-1]*rsx, y + offset[i] * rsy);
+  for (i=0; i<RN; i++)
+    fl_vertex(x + offset[i]*rsx, y + h-1 - offset[RN-i-1] * rsy);
+  for (i=0; i<RN; i++)
+    fl_vertex(x + w-1 - offset[RN-i-1]*rsx, y + h-1 - offset[i] * rsy);
+  for (i=0; i<RN; i++)
+    fl_vertex(x + w-1 - offset[i]*rsx, y + offset[RN-i-1] * rsy);
+  if (fill) fl_end_polygon(); else fl_end_loop();
+}
+
+static void fl_rflat_box(int x, int y, int w, int h, Fl_Color c) {
+  fl_color(c); rbox(1, x, y, w, h); rbox(0, x, y, w, h);
+}
+
+static void fl_rounded_frame(int x, int y, int w, int h, Fl_Color c) {
+  fl_color(c); rbox(0, x, y, w, h);
+}
+
+static void fl_rounded_box(int x, int y, int w, int h, Fl_Color c) {
+  fl_color(c); rbox(1, x, y, w, h);
+  fl_color(FL_BLACK); rbox(0, x, y, w, h);
+}
+
+static void fl_rshadow_box(int x, int y, int w, int h, Fl_Color c) {
+  // draw shadow:
+  fl_color(FL_DARK3);
+  rbox(1, x+BW, y+BW, w, h);
+  rbox(0, x+BW, y+BW, w, h);
+  // draw the box:
+  fl_rounded_box(x, y, w, h, c);
+}
+
+extern void fl_internal_boxtype(Fl_Boxtype, Fl_Box_Draw_F*);
+
+Fl_Boxtype fl_define_FL_ROUNDED_BOX() {
+  fl_internal_boxtype(_FL_ROUNDED_FRAME, fl_rounded_frame);
+  fl_internal_boxtype(_FL_ROUNDED_BOX, fl_rounded_box);
+  return _FL_ROUNDED_BOX;
+}
+
+Fl_Boxtype fl_define_FL_RFLAT_BOX() {
+  fl_internal_boxtype(_FL_RFLAT_BOX, fl_rflat_box);
+  return _FL_RFLAT_BOX;
+}
+
+Fl_Boxtype fl_define_FL_RSHADOW_BOX() {
+  fl_internal_boxtype(_FL_RSHADOW_BOX, fl_rshadow_box);
+  return _FL_RSHADOW_BOX;
+}
+
+//
+// End of "$Id: fl_rounded_box.cxx 7903 2010-11-28 21:06:39Z matt $".
+//