2002-05-28  Sven Neumann  <sven@gimp.org>

	* app/core/gimplayer.c (gimp_layer_new_from_drawable): determine
	the src_base_type from the passed drawable, not from the image it
	is attached to.

	* app/core/gimpimage-convert.c (gimp_drawable_convert_rgb)
	(gimp_drawable_convert_grayscale): added a check for the expected
	bpp of the passed tile_manager.