RMenum rmTextGetExtents (const char *string,
		          int fontEnum,
			  int sizeEnum,
			  int boldEnum,
			  int italicEnum,
			  int *widthReturn,
			  int *heightReturn,
			  const RMpipe *renderPipe)

 const char *string - a character string (input). int fontEnum - an integer value specifying a font family. May be one
    of RM_FONT_SERIF, RM_FONT_SANS, RM_FONT_MONO, RM_FONT_SYMBOL or
    RM_FONT_DINGBATS (input). int sizeEnum - an integer font size enumerator. May be one of
    RM_FONT_XXS, RM_FONT_XS, RM_FONT_S, RM_FONT_M, RM_FONT_L,
    RM_FONT_XL, RM_FONT_XXL. int boldEnum, italicEnum - integer values indicating whether or not
    to the text string is in boldface or italicized. Valid values are
    RM_TRUE or RM_FALSE (input). int *widthReturn, *heightReturn - pointers to integers. The width and
    height of the rendered text string is returned in through these
    parameters.  Values of NULL are acceptable (return). const RMpipe *renderPipe - a handle to an RMpipe (input).