# HG changeset patch
# User address@hidden
# Date 1217707127 -3600
# Node ID 1ec46e85d3a330b222c1081b81188a5a2f74f6e1
# Parent  ff9e7873f8ea2008610dfcb93b820757e320ccc3
add empty def for virtual methods

diff -r ff9e7873f8ea -r 1ec46e85d3a3 src/gl-render.h
--- a/src/gl-render.h	Thu Jul 31 13:11:14 2008 -0400
+++ b/src/gl-render.h	Sat Aug 02 20:58:47 2008 +0100
@@ -55,7 +55,7 @@
   virtual void draw (const graphics_handle& h)
     { draw (gh_manager::get_object (h)); }
 
-  virtual void draw (const graphics_object& go);
+  virtual void draw (const graphics_object& go) { };
 
   virtual void draw (const Matrix& hlist)
     {
@@ -70,28 +70,28 @@
 	}
     }
 
-  virtual void set_viewport (int w, int h);
+  virtual void set_viewport (int w, int h) { };
 
 protected:
-  virtual void draw (const figure::properties& props);
-  virtual void draw (const axes::properties& props);
-  virtual void draw (const line::properties& props);
-  virtual void draw (const surface::properties& props);
-  virtual void draw (const patch::properties& props);
-  virtual void draw (const hggroup::properties& props);
+  virtual void draw (const figure::properties& props) { };
+  virtual void draw (const axes::properties& props) { };
+  virtual void draw (const line::properties& props) { };
+  virtual void draw (const surface::properties& props) { };
+  virtual void draw (const patch::properties& props) { };
+  virtual void draw (const hggroup::properties& props) { };
 
-  virtual void set_color (const Matrix& c);
-  virtual void set_polygon_offset (bool on, double offset = 0.0);
-  virtual void set_linewidth (float w);
-  virtual void set_linestyle (const std::string& s, bool stipple = false);
+  virtual void set_color (const Matrix& c) { };
+  virtual void set_polygon_offset (bool on, double offset = 0.0) { };
+  virtual void set_linewidth (float w) { };
+  virtual void set_linestyle (const std::string& s, bool stipple = false) { };
   virtual void set_clipbox (double x1, double x2, double y1, double y2,
-			    double z1, double z2);
-  virtual void set_clipping (bool on);
+			    double z1, double z2) { };
+  virtual void set_clipping (bool on) { };
 
-  virtual void init_marker (const std::string& m, double size, float width);
-  virtual void end_marker (void);
+  virtual void init_marker (const std::string& m, double size, float width) { };
+  virtual void end_marker (void) { };
   virtual void draw_marker (double x, double y, double z,
-			    const Matrix& lc, const Matrix& fc);
+			    const Matrix& lc, const Matrix& fc) { };
 
 private:
   opengl_renderer (const opengl_renderer&) { }