# HG changeset patch
# User Michael Goffioul <michael.goffioul@gmail.com>
# Date 1341386104 -3600
# Node ID a1e1f914ae7909d3bce89d9b91a3d0160bae02ba
# Parent  821708f96efd289563109e4d2ffa288f7fd30488
Make some opengl_renderer methods virtual.

* src/gl-render.h (opengl_renderer::setup_opengl_transformation): Make
protected and virtual.

diff --git a/src/gl-render.h b/src/gl-render.h
--- a/src/gl-render.h
+++ b/src/gl-render.h
@@ -90,6 +90,7 @@
                              const graphics_object& go);
 
   virtual void init_gl_context (bool enhanced, const Matrix& backgroundColor);
+  virtual void setup_opengl_transformation (const axes::properties& props);
 
   virtual void set_color (const Matrix& c);
   virtual void set_polygon_offset (bool on, double offset = 0.0);
@@ -168,8 +169,6 @@
   unsigned int make_marker_list (const std::string& m, double size,
                                  bool filled) const;
 
-  void setup_opengl_transformation (const axes::properties& props);
-
   void draw_axes_planes (const axes::properties& props);
   void draw_axes_boxes (const axes::properties& props);