-gboolean configure(GtkWidget *da, GdkEventConfigure *event, gpointer user_data)
-{
- GdkGLContext *glcontext = gtk_widget_get_gl_context (da);
- GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable (da);
-
- if (!gdk_gl_drawable_gl_begin (gldrawable, glcontext))
- {
- g_assert_not_reached ();
- }
-
- glLoadIdentity();
- glViewport (0, 0, da->allocation.width, da->allocation.height);
- glOrtho (-10,10,-10,10,-20050,10000);
- glEnable (GL_BLEND);
- glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-
- glScalef (10., 10., 10.);
-
- gdk_gl_drawable_gl_end (gldrawable);
-
- return TRUE;
-}
-
-gboolean rotate (gpointer user_data)