97 lines
2.3 KiB
Fortran
97 lines
2.3 KiB
Fortran
!-
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! This module try to write PNM complient files - ymmv
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!-
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module trials
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use pixrgb
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implicit none
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contains
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!-------------------------------------------------------------------
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! please write the same thing for RGB 16bits pictures !
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subroutine new_spit_gray(pic, fname)
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integer, intent(in), dimension (:,:) :: pic
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character (len=*), intent(in) :: fname
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integer :: foo, io, ix, iy
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integer :: buffer(8), ptr
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! print *, "newspit a, largeur ", size(pic, 1), ubound(pic, 1)
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! print *, "newspit a, hauteur ", size(pic, 2), ubound(pic, 2)
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! print *, "newspit a, buffer ", size(buffer, 1)
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open(newunit=io, file=fname)
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write (io, '(a2)') "P2"
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write (io, '("# new_spit_gray")')
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write (io, '(i0," ",i0)') size(pic, 1), size(pic, 2)
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write (io, '(i0)') 65535
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buffer = 0
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ptr = 1
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do iy=1, ubound(pic, 2)
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do ix=1, ubound(pic, 1)
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foo = pic(ix, iy)
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if (foo .GT. 65535) foo = 65535
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buffer(ptr) = foo
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ptr = ptr + 1
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if (ptr .EQ. size(buffer, 1)+1) then
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write(io, "(8(' ',i0))") buffer
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ptr = 1
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endif
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enddo
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enddo
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close(io)
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end subroutine
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!-------------------------------------------------------------------
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!-
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! CAUTION: there was NO out-of-bounds check !
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!-
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subroutine new_spit_rgb16(pic, fname)
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type(t_pixrgb), intent(in) :: pic(:,:)
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character (len=*), intent(in) :: fname
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integer :: io, ix, iy, ik
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integer :: buffer(3*4), ptr
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write(0, *) ">>> subroutine rgbpix_spit_as_pnm_16"
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open(newunit=io, file=fname)
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write (io, '(a2)') "P3"
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! write (io, '("# rgbpix_spit_as_pnm_16")')
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write (io, '(i0," ",i0)') size(pic, 1), size(pic, 2)
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write (io, '(i0)') 65535
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buffer = 0
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ptr = 1
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do iy=1, ubound(pic, 2)
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do ix=1, ubound(pic, 1)
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buffer(ptr) = pic(ix, iy)%r
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buffer(ptr+1) = pic(ix, iy)%g
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buffer(ptr+2) = pic(ix, iy)%b
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ptr = ptr + 3
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if (ptr .EQ. 13) then
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write(io, "(12(' ', i0))") buffer
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ptr = 1
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endif
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enddo ! write(io, *) " fin iy=", iy
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enddo
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! may be we have to flush the buffer ?
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close(unit=io)
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end subroutine
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!-------------------------------------------------------------------
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end module
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