red,
green, and
blue fields of a
GdkColor structure. The color is not
allocated, you must call gdkColormapAllocColor yourself.
The text string can be in any of the forms accepted
by xparsecolor; these include
name for a color from DarkSlateGray, or a hex specification
such as #3050b2 or #35b.gdkColorParse(spec)spec