(intern_face): Set the fill_style.

(intern_face): Set the fill_style.

(copy_face, merge_faces): Copy the pixmap_h and pixmap_w.
(intern_face): Store the stipple in the GC.
(unload_color): Really do free the color.
(free_frame_faces): Call unload_pixmap.
(Fset_face_attribute_internal): Handle background pixmap.
Destroy old pixmap when necessary.
(free_frame_faces): Destroy pixmaps.
(load_pixmap): New function.
(Fpixmap_spec_p): New function.
(syms_of_xfaces): Set up Lisp function pixmap-spec-p.
Set up Qpixmap_spec_p.

(compute_base_face): Don't set cached_index field.

(compute_base_face): Use FRAME_FOREGROUND_PIXEL,
FRAME_BACKGROUND_PIXEL, FRAME_FONT.