Fixing vertex implementation

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11032 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

FL/Fl_Device.H

@@ -368,7 +368,7 @@ protected:
   friend  void fl_begin_polygon();
   virtual void    begin_polygon();
   friend  void fl_begin_complex_polygon();
-  virtual void    begin_complex_polygon();
+  virtual void    begin_complex_polygon() = 0;
   friend  double fl_transform_x(double x, double y);
   virtual double    transform_x(double x, double y);
   friend  double fl_transform_y(double x, double y);
@@ -378,23 +378,23 @@ protected:
   friend  double fl_transform_dy(double x, double y);
   virtual double    transform_dy(double x, double y);
   friend  void fl_transformed_vertex(double xf, double yf);
-  virtual void    transformed_vertex(double xf, double yf);
+  virtual void    transformed_vertex(double xf, double yf) = 0;
   friend  void fl_vertex(double x, double y);
-  virtual void    vertex(double x, double y);
+  virtual void    vertex(double x, double y) = 0;
   friend  void fl_end_points();
-  virtual void    end_points();
+  virtual void    end_points() = 0;
   friend  void fl_end_line();
-  virtual void    end_line();
+  virtual void    end_line() = 0;
   friend  void fl_end_loop();
-  virtual void    end_loop();
+  virtual void    end_loop() = 0;
   friend  void fl_end_polygon();
-  virtual void    end_polygon();
+  virtual void    end_polygon() = 0;
   friend  void fl_end_complex_polygon();
-  virtual void    end_complex_polygon();
+  virtual void    end_complex_polygon() = 0;
   friend  void fl_gap();
-  virtual void    gap();
+  virtual void    gap() = 0;
   friend  void fl_circle(double x, double y, double r);
-  virtual void    circle(double x, double y, double r);
+  virtual void    circle(double x, double y, double r) = 0;
 };
 
 

src/cfg_gfx/gdi_vertex.cxx

@@ -52,10 +52,6 @@ void Fl_GDI_Graphics_Driver::end_line() {
   if (n>1) Polyline(fl_gc, p, n);
 }
 
-void Fl_GDI_Graphics_Driver::fixloop() {  // remove equal points from closed path
-  while (n>2 && p[n-1].x == p[0].x && p[n-1].y == p[0].y) n--;
-}
-
 void Fl_GDI_Graphics_Driver::end_loop() {
   fixloop();
   if (n>2) transformed_vertex((COORD_T)p[0].x, (COORD_T)p[0].y);
@@ -124,7 +120,7 @@ void Fl_GDI_Graphics_Driver::circle(double x, double y,double r) {
     Arc(fl_gc, llx, lly, llx+w, lly+h, 0,0, 0,0); 
 }
 
-#endif FL_CFG_GFX_GDI_VERTEX_CXX
+#endif // FL_CFG_GFX_GDI_VERTEX_CXX
 
 //
 // End of "$Id$".

src/cfg_gfx/opengl.H

@@ -86,6 +86,16 @@ public:
 //  void end_complex_polygon();
 //  void gap();
 //  void circle(double x, double y, double r);
+  void begin_complex_polygon() { }
+  void transformed_vertex(double xf, double yf) { }
+  void vertex(double x, double y) { }
+  void end_points() { }
+  void end_line() { }
+  void end_loop() { }
+  void end_polygon() { }
+  void end_complex_polygon() { }
+  void gap() { }
+  void circle(double x, double y, double r) { }
 };
 
 

src/cfg_gfx/quartz.H

@@ -94,7 +94,6 @@ protected:
   void pop_clip();
   void restore_clip();
   // --- implementation is in src/fl_vertex.cxx which includes src/cfg_gfx/xxx_rect.cxx
-  void fixloop();
   void begin_complex_polygon();
   void transformed_vertex(double xf, double yf);
   void vertex(double x, double y);

src/cfg_gfx/quartz_vertex.cxx

@@ -64,10 +64,6 @@ void Fl_Quartz_Graphics_Driver::end_line() {
   CGContextSetShouldAntialias(fl_gc, false);
 }
 
-void Fl_Quartz_Graphics_Driver::fixloop() {  // remove equal points from closed path
-  while (n>2 && p[n-1].x == p[0].x && p[n-1].y == p[0].y) n--;
-}
-
 void Fl_Quartz_Graphics_Driver::end_loop() {
   fixloop();
   if (n>2) transformed_vertex((COORD_T)p[0].x, (COORD_T)p[0].y);

src/cfg_gfx/xlib.H

@@ -83,7 +83,6 @@ protected:
   void pop_clip();
   void restore_clip();
   // --- implementation is in src/fl_vertex.cxx which includes src/cfg_gfx/xxx_rect.cxx
-  void fixloop();
   void begin_complex_polygon();
   void transformed_vertex(double xf, double yf);
   void vertex(double x, double y);

src/fl_vertex.cxx

@@ -107,6 +107,10 @@ void Fl_Graphics_Driver::transformed_vertex0(COORD_T x, COORD_T y) {
   }
 }
 
+void Fl_Graphics_Driver::fixloop() {  // remove equal points from closed path
+  while (n>2 && p[n-1].x == p[0].x && p[n-1].y == p[0].y) n--;
+}
+
 
 // -----------------------------------------------------------------------------