2008-01-15  Michael Natterer  <mitch@gimp.org>

	* app/gegl/gimpoperationcolorize.[ch]
	* app/gegl/gimpoperationlevels.[ch]
	* app/gegl/gimpoperationthreshold.[ch]: changed all properties from
	float to double.

	* app/gegl/gimpoperationcolorize.c: normalized property ranges to
	[0.0..1.0] or [-1.0..1.0] resp.

	* app/tools/gimpcolorizetool.c: changed accordingly.


svn path=/trunk/; revision=24621