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!      $Id: x06f.f90 11680 2011-03-27 17:57:51Z airwin $
!      Displays the plotter symbols for PLPOIN
!
!      Copyright (C) 2004  Alan W. Irwin
!
!      This file is part of PLplot.
!
!      PLplot is free software; you can redistribute it and/or modify
!      it under the terms of the GNU Library General Public License as
!      published by the Free Software Foundation; either version 2 of the
!      License, or (at your option) any later version.
!
!      PLplot is distributed in the hope that it will be useful,
!      but WITHOUT ANY WARRANTY; without even the implied warranty of
!      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
!      GNU Library General Public License for more details.
!
!      You should have received a copy of the GNU Library General Public
!      License along with PLplot; if not, write to the Free Software
!      Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

      use plplot
      implicit none
      integer i, j, k, font, kind_font, maxfont
      real(kind=plflt), dimension(1:1) :: x, y

      character*3 text
!      Process command-line arguments
      call plparseopts(PL_PARSE_FULL)


!      Full sized page for display

      call plinit()

      do kind_font = 1,2
        call plfontld(kind_font-1)
        if (kind_font==1) then
          maxfont = 1
        else
          maxfont = 4
        endif

        do font=1,maxfont
          call plfont(font)

          call pladv(0)

          call plcol0(2)

!      Set up viewport and window

          call plvpor(0.1_plflt, 1.0_plflt, 0.1_plflt, 0.9_plflt)
          call plwind(0.0_plflt, 1.0_plflt, 0.0_plflt, 1.3_plflt)

!      Draw the grid using plbox

          call plbox('bcg', 0.1_plflt, 0, 'bcg', 0.1_plflt, 0)
          call plcol0(15)

!      Write the digits below the frame

          do i=0,9
            write (text,'(i1)') i
            call plmtex('b', 1.5_plflt, (0.1_plflt*i+0.05_plflt), 0.5_plflt, text)
          enddo

          k=0
          do i=0,12

!        Write the digits to the left of the frame

            write (text,'(i0)') 10*i

            call plmtex('lv', 1.0_plflt, (1.0_plflt-(2*i+1)/26.0_plflt), &
              1.0_plflt, text)
            do j=0,9
              x=0.1_plflt*j+0.05_plflt
              y=1.25_plflt-0.1_plflt*i

!          Display the symbols

              if (k.lt.128) call plpoin(x,y,k)
              k=k+1
            enddo
          enddo
          if (kind_font==1) then
            call plmtex('t', 1.5_plflt, 0.5_plflt, 0.5_plflt, &
              'PLplot Example 6 - plpoin symbols (compact)')
          else
            call plmtex('t', 1.5_plflt, 0.5_plflt, 0.5_plflt, &
              'PLplot Example 6 - plpoin symbols (extended)')
          endif
        enddo
      enddo

      call plend
      end