	SUBROUTINE IFFONT( IFONT )
C
C  PROGRAMMER:  R.S. ZHOU
C		ALFRED UNIVERSITY, JUNE-1988
C
C	THIS ROUTINE SELECTS ACTIVE FONT FOR TEXT DRAWING.
C
C	IFONT = 1: STANDARD FONT AS DEFINED IN "IFINIT".
C	IFONT = 2: ITALIC STANDARD FONT.
C	IFONT = 3: BOLDFACE STANDARD FONT.
C
     	INCLUDE 'LN03PS.CBS'

     	IF( IFONT.GT.0 .AND. IFONT.LT.4 ) IFN = IFONT

999	RETURN
	END

