180 lines
4.5 KiB
Fortran
180 lines
4.5 KiB
Fortran
! *****************************************************
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!
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! *****************************************************
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program soundscope
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use pixrgb
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use utils_ga
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implicit none
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integer :: width = 720
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integer :: height = 576
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integer :: marge = 20
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integer :: samplerate = 44100
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integer :: framerate = 30
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type(t_pixrgb), allocatable :: pix(:,:)
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character (len=280) :: filename
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integer :: iter, foo, tx, ty
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integer :: smppf
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logical :: flagdone
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smppf = samplerate / framerate
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allocate(pix(width, height))
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call preparation(pix, 65000)
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iter = 0
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do
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write(0, *) "----- iteration", iter, " -----"
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iter = iter + 1
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do foo=0, 500
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tx = (marge/2) + fair_random_gauss(width-marge)
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ty = (marge/2) + fair_random_gauss(height-marge)
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if (is_pixel_inside(tx, ty)) then
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call make_red_dot(pix, tx, ty)
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endif
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tx = (marge/2) + fair_random_gauss(width-marge)
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ty = (marge/2) + fair_random_gauss(height-marge)
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if (is_pixel_inside(tx, ty)) then
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call make_blue_dot(pix, tx, ty)
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endif
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enddo
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call dim_pix_rgb_sub(pix, 2200)
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call make_a_frame(pix, smppf, flagdone)
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call dessine_cadre(pix, 65000, 65000, 65000)
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write (filename, "(a,i5.5,a)") "./F/np/", iter, ".pnm"
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call rgbpix_spit_as_pnm_16(pix, filename)
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if (flagdone) then
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exit
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endif
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enddo
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write(0, *) " [done]"
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contains
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!-- ------------------------------------------------------------------
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!--
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subroutine make_a_frame(image, nbdata, jobdone)
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type(t_pixrgb), intent(inout) :: image(:,:)
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integer, intent(in) :: nbdata
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logical, intent(out) :: jobdone
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integer :: idx, errcode
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real :: vl, vr
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integer :: ix, iy
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jobdone = .FALSE.
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do idx=0, nbdata
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! get a sample
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read(5, *, iostat=errcode) vl, vr
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if (0 .NE. errcode) then
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write(0, *) "iostat", errcode
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jobdone = .TRUE.
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exit
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endif
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if ( (idx .LT. 160) .AND. &
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((abs(vl).GT.21000).OR.(abs(vr).GT.21000)) ) then
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!-
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! add flash !
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write(0,*) "overshoot!"
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call preparation(image, 65000)
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endif
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! scale it to the window
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ix = (2 * int(vl / 111.111)) + 400
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iy = (2 * int(vr / 166.666)) + 300
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ix = width - ix
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! write(6, *) vl, ix, " | ", vr, iy
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if (is_pixel_inside(ix, iy)) then
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call make_big_dot(image, ix, iy)
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endif
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enddo
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end subroutine
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!-- ------------------------------------------------------------------
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subroutine dessine_cadre(image, R, G, B)
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type(t_pixrgb), intent(inout) :: image(:,:)
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integer,intent(in) :: R, G, B
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integer :: ix, iy, foo
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foo = ubound(image, 2) - marge
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do ix=1+marge, ubound(image, 1) - marge
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image(ix, marge)%r = R
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image(ix, marge)%g = G
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image(ix, marge)%b = B
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image(ix, foo)%r = R
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image(ix, foo)%g = G
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image(ix, foo)%b = B
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enddo
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foo = ubound(image, 1) - marge
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do iy=1+marge, ubound(image, 2)-marge
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image(marge, iy)%r = R
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image(marge, iy)%g = G
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image(marge, iy)%b = B
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image(foo, iy)%r = R
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image(foo, iy)%g = G
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image(foo, iy)%b = B
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enddo
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end subroutine
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!-- ------------------------------------------------------------------
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function is_pixel_inside(ix, iy)
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integer,intent(in) :: ix, iy
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logical :: is_pixel_inside
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is_pixel_inside = .TRUE.
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if ( (ix .LT. marge) .OR. (ix .GT. width-marge) ) then
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is_pixel_inside = .FALSE.
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return
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endif
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if ( (iy .LT. marge) .OR. (iy .GT. height-marge) ) then
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is_pixel_inside = .FALSE.
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return
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endif
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end function
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!-- ------------------------------------------------------------------
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subroutine preparation(image, mval)
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type(t_pixrgb), intent(inout) :: image(:,:)
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integer,intent(in) :: mval
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integer :: ix, iy
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write(0, *) "dim 1 =", ubound(image, 1)
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write(0, *) "dim 2 =", ubound(image, 2)
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do ix=1, ubound(image, 1)
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do iy=1, ubound(image, 2)
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image(ix, iy)%r = fair_random_gauss(mval)
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image(ix, iy)%g = fair_random_gauss(mval)
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image(ix, iy)%b = fair_random_gauss(mval)
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enddo
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enddo
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end subroutine
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!-- ------------------------------------------------------------------
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!-- ------------------------------------------------------------------
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end program soundscope
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