RrColor *RrColorNew (const RrInstance *inst, gint r, gint g, gint b);
RrColor *RrColorParse (const RrInstance *inst, gchar *colorname);
RrColor *RrColorNew (const RrInstance *inst, gint r, gint g, gint b);
RrColor *RrColorParse (const RrInstance *inst, gchar *colorname);