2001-01-20  Michael Natterer  <mitch@gimp.org>

	* app/gradient.[ch]: made gradient_get_color_at() use GimpRGB.

	* app/airbrush.c
	* app/blend.c
	* app/gimpcontextpreview.c
	* app/gradient_select.c
	* app/paint_core.[ch]
	* app/paintbrush.c
	* app/palette.c
	* app/pencil.c

	* app/gradients_cmds.c
	* app/gradient_select_cmds.c
	* tools/pdbgen/pdb/gradient_select.pdb
	* tools/pdbgen/pdb/gradients.pdb: changed accordingly.