move the 2 small font helper functions to xutil.c

xutil.c

@@ -429,3 +429,23 @@ xu_xorcolor(XftColor a, XftColor b, XftColor *r)
 	r->color.blue = a.color.blue ^ b.color.blue;
 	r->color.alpha = 0xffff;
 }
+
+int
+xu_xft_width(XftFont *xftfont, const char *text, int len)
+{
+	XGlyphInfo	 extents;
+
+	XftTextExtentsUtf8(X_Dpy, xftfont, (const FcChar8*)text,
+	    len, &extents);
+
+	return (extents.xOff);
+}
+
+void
+xu_xft_draw(struct screen_ctx *sc, const char *text,
+    Drawable d, int color, int x, int y)
+{
+	XftDrawChange(sc->xftdraw, d);
+	XftDrawStringUtf8(sc->xftdraw, &sc->xftcolor[color], sc->xftfont,
+	    x, y, (const FcChar8*)text, strlen(text));
+}