+Lisp_Object normalize_image_instantiator (Lisp_Object instantiator,
+ Lisp_Object contype,
+ Lisp_Object dest_mask);
+void glyph_query_geometry (Lisp_Object glyph_or_image, int* width, int* height,
+ enum image_instance_geometry disp,
+ Lisp_Object domain);
+void glyph_do_layout (Lisp_Object glyph_or_image, int width, int height,
+ int xoffset, int yoffset,
+ Lisp_Object domain);