2007-05-03  Sven Neumann  <sven@gimp.org>

	Handle the core part of bug #434274:

	* app/core/gimpchannel.c (gimp_channel_real_boundary): return
	FALSE for an empty channel.

	* app/core/gimpitem.[ch]: added a progress parameter to
	gimp_item_stroke.

	* app/core/gimpchannel.c (gimp_channel_stroke)
	* app/core/gimpselection.c (gimp_selection_stroke): pass progress
	to gimp_message().

	* app/actions/vectors-commands.c
	* app/actions/select-commands.c
	* app/dialogs/stroke-dialog.c
	* app/vectors/gimpvectors.c
	* tools/pdbgen/pdb/edit.pdb
	* tools/pdbgen/pdb/paths.pdb: changed accordingly.

	* app/pdb/edit_cmds.c
	* app/pdb/paths_cmds.c: regenerated.

	* app/core/gimplayermaskundo.c: added a missing cast.

svn path=/trunk/; revision=22389