2004-01-14  Michael Natterer  <mitch@gimp.org>

	* app/core/gimpimage.h: added GIMP_IMAGE_TYPE_WITHOUT_ALPHA()
	macro as counterpart to GIMP_IMAGE_TYPE_WITH_ALPHA().

	* app/core/gimpdrawable.[ch]: added
	gimp_drawable_type_without_alpha() and
	gimp_drawable_bytes_without_alpha() convenience functions.