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C*HIDRIV -- PGPLOT HIDMP plotter driver
C+
SUBROUTINE HIDRIV (IFUNC, RBUF, NBUF, CHR, LCHR)
INTEGER IFUNC, NBUF, LCHR
REAL RBUF(*)
CHARACTER*(*) CHR
C
C PGPLOT driver for Houston Instruments HIDMP pen plotter.
C
C Version 1.0 - 1987 May 26 - T. J. Pearson.
C version 2.0 - 1992 Apr 7 - standard Fortran (TJP).
C-----------------------------------------------------------------------
CHARACTER*(*) DEVICE
CHARACTER*(*) DEFNAM
PARAMETER (DEVICE='HIDMP (Houston Instruments pen plotter)')
PARAMETER (DEFNAM='pgplot.hiplot')
CHARACTER*80 MSG
CHARACTER*64 INSTR
INTEGER IER, I0, J0, I1, J1, L, LASTI, LASTJ, UNIT
INTEGER GROPTX
C-----------------------------------------------------------------------
C
GOTO( 10, 20, 30, 40, 50, 60, 70, 80, 90,100,
1 110,120,130,140,150,160,170,180,190,200,
2 210,220,230), IFUNC
GOTO 900
C
C--- IFUNC = 1, Return device name.-------------------------------------
C
10 CHR = DEVICE
LCHR = LEN(DEVICE)
RETURN
C
C--- IFUNC = 2, Return physical min and max for plot device, and range
C of color indices.---------------------------------------
C
20 RBUF(1) = 0
RBUF(2) = 4799
RBUF(3) = 0
RBUF(4) = 7199
RBUF(5) = 1
RBUF(6) = 1
NBUF = 6
RETURN
C
C--- IFUNC = 3, Return device resolution. ------------------------------
C
30 RBUF(1) = 200.0
RBUF(2) = 200.0
RBUF(3) = 2
NBUF = 3
RETURN
C
C--- IFUNC = 4, Return misc device info. -------------------------------
C (This device is Hardcopy, No cursor, No dashed lines, No area fill,
C No thick lines)
C
40 CHR = 'HNNNNNNNNN'
LCHR = 10
RETURN
C
C--- IFUNC = 5, Return default file name. ------------------------------
C
50 CHR = DEFNAM
LCHR = LEN(DEFNAM)
RETURN
C
C--- IFUNC = 6, Return default physical size of plot. ------------------
C
60 RBUF(1) = 0
RBUF(2) = 2099
RBUF(3) = 0
RBUF(4) = 1599
NBUF = 4
RETURN
C
C--- IFUNC = 7, Return misc defaults. ----------------------------------
C
70 RBUF(1) = 3
NBUF = 1
RETURN
C
C--- IFUNC = 8, Select plot. -------------------------------------------
C
80 CONTINUE
RETURN
C
C--- IFUNC = 9, Open workstation. --------------------------------------
C
90 CONTINUE
CALL GRGLUN(UNIT)
NBUF = 2
RBUF(1) = UNIT
IER = GROPTX(UNIT, CHR(1:LCHR), DEFNAM, 1)
IF (IER.NE.0) THEN
MSG = 'Cannot open plot file: '//CHR(:LCHR)
CALL GRWARN(MSG)
RBUF(2) = 0
CALL GRFLUN(UNIT)
RETURN
ELSE
INQUIRE (UNIT=UNIT, NAME=CHR)
LCHR = LEN(CHR)
91 IF (CHR(LCHR:LCHR).EQ.' ') THEN
LCHR = LCHR-1
GOTO 91
END IF
RBUF(2) = 1
END IF
LASTI = -1
LASTJ = -1
WRITE (UNIT, '(A)') ';:H EC5 A '
RETURN
C
C--- IFUNC=10, Close workstation. --------------------------------------
C
100 CONTINUE
WRITE (UNIT, '(A)') 'H EL @ '
CLOSE (UNIT)
CALL GRFLUN(UNIT)
RETURN
C
C--- IFUNC=11, Begin picture. ------------------------------------------
C
110 CONTINUE
WRITE (UNIT, '(A)') 'EL '
WRITE (UNIT, '(A)') ';:H EC5 A '
RETURN
C
C--- IFUNC=12, Draw line. ----------------------------------------------
C
120 CONTINUE
I0 = NINT(RBUF(1))
J0 = NINT(RBUF(2))
I1 = NINT(RBUF(3))
J1 = NINT(RBUF(4))
121 CONTINUE
IF ( (I0.NE.LASTI) .OR. (J0.NE.LASTJ) ) THEN
CALL GRFAO('U #,# D #,# ', L, INSTR, I0, J0, I1, J1)
ELSE
CALL GRFAO('#,# ', L, INSTR, I1, J1, 0, 0)
END IF
WRITE (UNIT,'(A)') INSTR(1:L)
LASTI = I1
LASTJ = J1
RETURN
C
C--- IFUNC=13, Draw dot. -----------------------------------------------
C
130 CONTINUE
I1 = NINT(RBUF(1))
J1 = NINT(RBUF(2))
I0 = I1
J0 = J1
GOTO 121
C
C--- IFUNC=14, End picture. --------------------------------------------
C
140 CONTINUE
RETURN
C
C--- IFUNC=15, Select color index. -------------------------------------
C (Not implemented.)
C
150 CONTINUE
RETURN
C
C--- IFUNC=16, Flush buffer. -------------------------------------------
C (Null operation: buffering is not implemented.)
C
160 CONTINUE
RETURN
C
C--- IFUNC=17, Read cursor. --------------------------------------------
C (Not implemented: should not be called.)
C
170 GOTO 900
C
C--- IFUNC=18, Erase alpha screen. -------------------------------------
C (Null operation: there is no alpha screen.)
C
180 CONTINUE
RETURN
C
C--- IFUNC=19, Set line style. -----------------------------------------
C (Not implemented: should not be called.)
C
190 GOTO 900
C
C--- IFUNC=20, Polygon fill. -------------------------------------------
C (Not implemented: should not be called.)
C
200 GOTO 900
C
C--- IFUNC=21, Set color representation. -------------------------------
C (Not implemented)
C
210 CONTINUE
RETURN
C
C--- IFUNC=22, Set line width. -----------------------------------------
C (Not implemented: should not be called.)
C
220 GOTO 900
C
C--- IFUNC=23, Escape. -------------------------------------------------
C
230 CONTINUE
WRITE (UNIT, '(A)') CHR(:LCHR)
LASTI = -1
RETURN
C-----------------------------------------------------------------------
C Error: unimplemented function.
C
900 WRITE (MSG,'(I10)') IFUNC
CALL GRWARN('Unimplemented function in HI device driver: '//MSG)
NBUF = -1
RETURN
C-----------------------------------------------------------------------
END
|
