2004-09-15  Sven Neumann  <sven@gimp.org>

	* libgimpwidgets/gimppreviewarea.c
	(gimp_preview_area_[draw|blend|mask]): fixed code that handles
	drawing outside of the preview area.

	* plug-ins/common/unsharp.c (preview_update): draw the preview
	directly from the pixel region.