+/** The width of the display (this is a logical value, not the
+ physical value, since aspect_ration and projection_area might
+ shrink or scale things) */
+extern int SCREEN_WIDTH;
+
+/** The width of the display (this is a logical value, not the
+ physical value, since aspect_ration and projection_area might
+ shrink or scale things) */
+extern int SCREEN_HEIGHT;