Fix line/polygon drawing bug when the number of unique vertices is too

small.


git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@2906 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

CHANGES

@@ -1,8 +1,11 @@
 CHANGES IN FLTK 1.1.3
 
 	- Documentation updates.
-	- The size_range() values were not honored under MacOS X.
-          [SF Bug #647074]
+	- Lines with less than 2 unique vertices and polygons
+	  with less the 3 unique vertices were not drawn
+	  properly. [SF Bug #647067]
+	- The size_range() values were not honored under MacOS
+	  X. [SF Bug #647074]
 	- OpenGL windows didn't resize correctly on MacOS X.
           [SF Bug #667855]
 	- The menus incorrectly used the overlay visual when one

src/fl_vertex.cxx

@@ -1,5 +1,5 @@
 //
-// "$Id: fl_vertex.cxx,v 1.5.2.3.2.5 2002/01/01 15:11:32 easysw Exp $"
+// "$Id: fl_vertex.cxx,v 1.5.2.3.2.6 2003/01/14 23:48:01 easysw Exp $"
 //
 // Portable drawing routines for the Fast Light Tool Kit (FLTK).
 //
@@ -131,6 +131,10 @@ void fl_end_points() {
 }
 
 void fl_end_line() {
+  if (n < 2) {
+    fl_end_points();
+    return;
+  }
 #ifdef WIN32
   if (n>1) Polyline(fl_gc, p, n);
 #elif defined(__APPLE__)
@@ -154,6 +158,10 @@ void fl_end_loop() {
 
 void fl_end_polygon() {
   fixloop();
+  if (n < 3) {
+    fl_end_line();
+    return;
+  }
 #ifdef WIN32
   if (n>2) {
     SelectObject(fl_gc, fl_brush());
@@ -201,6 +209,10 @@ void fl_gap() {
 
 void fl_end_complex_polygon() {
   fl_gap();
+  if (n < 3) {
+    fl_end_line();
+    return;
+  }
 #ifdef WIN32
   if (n>2) {
     SelectObject(fl_gc, fl_brush());
@@ -248,5 +260,5 @@ void fl_circle(double x, double y,double r) {
 }
 
 //
-// End of "$Id: fl_vertex.cxx,v 1.5.2.3.2.5 2002/01/01 15:11:32 easysw Exp $".
+// End of "$Id: fl_vertex.cxx,v 1.5.2.3.2.6 2003/01/14 23:48:01 easysw Exp $".
 //