+ case GLUT_WINDOW_WIDTH:
+ freeglut_return_val_if_fail( fgStructure.CurrentWindow != NULL, 0 );
+ return fgStructure.CurrentWindow->State.Width;
+ case GLUT_WINDOW_HEIGHT:
+ freeglut_return_val_if_fail( fgStructure.CurrentWindow != NULL, 0 );
+ return fgStructure.CurrentWindow->State.Height;
+