74 lines
1.6 KiB
Fortran
74 lines
1.6 KiB
Fortran
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program noisepic
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use spitpgm
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implicit none
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integer :: numframe = 0
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integer :: nbarg
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character(len=256) :: arg
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nbarg = IARGC()
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if (nbarg .GT. 0) then
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call GETARG(1, arg)
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! write (0, '(A40, A5)') "argument = ", arg
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read (arg, *) numframe
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endif
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call make_noise_pic(numframe)
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contains
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!-- ------------------------------------------------------------------
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subroutine make_noise_pic (value)
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integer, intent(in) :: value
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integer :: foo
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integer, dimension(:,:), allocatable :: pic
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character (len=280) :: filename
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allocate(pic(320, 240))
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pic = 0
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call srand(value+34)
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foo = irand()
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print *, 'val=', value, ' rnd=', foo
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call plot_noise_pic(pic, 15000)
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write (filename, "(a, i5.5, a)") "", value, ".pgm"
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call spit_as_pgm_8(pic, trim(filename))
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end subroutine
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!-- ------------------------------------------------------------------
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subroutine plot_noise_pic(picz, nbre)
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integer, dimension(:,:), intent(inout) :: picz
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integer, intent(in) :: nbre
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integer :: width, height
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integer :: quux, ix, iy, iv
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width = ubound(picz, 1) ; height = ubound(picz, 2)
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! print *, 'sz picz', width, height
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do quux=1, nbre
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ix = 1 + mod ( irand(), width )
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iy = 1 + mod ( irand(), height )
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iv = mod ( irand(), 256 )
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! print *, ix, iy
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picz(ix, iy) = iv
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enddo
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end subroutine
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!-- ------------------------------------------------------------------
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end program
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