2001-12-14  Michael Natterer  <mitch@gimp.org>

	* app/core/gimpimage.[ch]: added
	GIMP_IMAGE_TYPE_IS_[RGB|GRAY|INDEXED]() and
	GIMP_IMAGE_TYPE_BASE_TYPE() macros.

	* app/plug-in/plug-in.[ch]: new enum PlugInImageType instead of
	multiple #defines.

	* app/gui/file-dialog-utils.[ch]: file_dialog_update_menus(): take
	a GimpImageType instead of the PlugInImageType.

	* app/core/gimpdrawable-preview.c
	* app/core/gimpdrawable-transform.c
	* app/core/gimpdrawable.c
	* app/core/gimpimage-contiguous-region.c
	* app/core/gimpimage-mask.c
	* app/core/gimpimage-merge.c
	* app/core/gimplayermask.c
	* app/core/gimppalette-import.c
	* app/display/gimpdisplay-handlers.c
	* app/display/gimpdisplayshell-render.c
	* app/gui/file-save-dialog.c
	* app/gui/toolbox.c
	* app/tools/gimpclonetool.c
	* app/tools/gimpcolorpickertool.c
	* tools/pdbgen/pdb/convert.pdb
	* tools/pdbgen/pdb/image.pdb: use the new macros, cleanups like
	storing GimpImageType in GimpImageType variables, not just gint.

	* app/pdb/convert_cmds.c
	* app/pdb/image_cmds.c: regenerated.

	* app/widgets/gimpdialogfactory.c: save the state of the "Auto"
	button in sessionrc.