2005-07-11  Michael Natterer  <mitch@gimp.org>

	* app/core/gimppickable.[ch]: added GimpPickable::get_opacity_at()

	* app/core/gimpchannel.[ch]: removed gimp_channel_value() and
	implement ::get_opacity_at() instead.

	* app/core/gimplayer.[ch]: removed gimp_layer_pick_correlate()
	and implement ::get_opacity_at() instead.

	* app/core/gimpselection.c: GimpChannel::value() doesn't exist
	any more.

	* app/core/gimpprojection.c: implement ::get_opacity_at(), always
	returns OPAQUE.

	* app/core/gimpimage.c
	* app/tools/gimpbucketfilltool.c
	* app/tools/gimpclonetool.c
	* app/tools/gimpfliptool.c
	* app/tools/gimpiscissorstool.c
	* app/tools/gimpnewrectselecttool.c
	* app/tools/gimprectangletool.c
	* app/tools/gimpselectiontool.c
	* app/tools/gimptransformtool.c
	* tools/pdbgen/pdb/selection.pdb: changed accordingly.

	* app/pdb/selection_cmds.c: regenerated.