119 lines
3.2 KiB
Fortran
119 lines
3.2 KiB
Fortran
module fractcolmap
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use pixrgb ! from Modules dir
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implicit none
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integer :: currmap(0:255, 3)
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logical :: initialized = .FALSE.
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contains
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!-----------------------------------------------------
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subroutine fcolm_infos(msg)
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character(*), intent(in) :: msg
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write(0, *) ' -> fractcolmap infos because [', msg, ']'
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write(0, *) ' initialized is ', initialized
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end subroutine
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!-----------------------------------------------------
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subroutine fcolm_load_mapfile(fname)
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character(*), intent(in) :: fname
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integer :: io, errcode, idx
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integer :: ir, ig, ib
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write(0, *) ' -> fractcolmap load file [', fname, ']'
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! trying to get access to the datas
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open(newunit=io, file=fname, iostat=errcode, action='read')
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if (errcode .NE. 0) then
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write(0, *) ' errcode :', errcode
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write(0, *) ' FILE ', fname, ' NOT FOUND'
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STOP 'BECAUSE FULL NUCKED, SORRY'
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endif
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! loop over all the data
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do idx=0, 255
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read(io, *) ir, ig, ib
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! write(*, '("idx ", I5, " got rgb", 3I6)') idx, ir, ig, ib
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currmap(idx, 1) = ir
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currmap(idx, 2) = ig
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currmap(idx, 3) = ib
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enddo
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! a few cleanup
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close(io)
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end subroutine
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!-----------------------------------------------------
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!-
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! draw all the colors in a nice picture
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!-
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subroutine fcolm_plot_mapfile(fname)
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character(*), intent(in) :: fname
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type(t_pixrgb), allocatable :: prgb(:,:)
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integer :: errcode, ix, iy, xx
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integer :: rgb(3)
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write(0, *) ' -> fractcolmap plot map to [', fname, ']'
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allocate(prgb(512, 128), stat=errcode)
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! Please, add a molly-guard
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if (0 .NE. errcode) then
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write(0, *) "errcode allocate in plot_map: ", errcode
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STOP 'ABEND'
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endif
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print *, ' FILE ', fname
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do ix = 1, 255
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call fcolm_get_rgb(ix-1, rgb)
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xx = ix * 2
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! print *, ix, xx, " => ", rgb
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do iy=1, 128
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prgb( xx, iy)%r = rgb(1)
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prgb(1+xx, iy)%r = rgb(1)
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prgb( xx, iy)%g = rgb(2)
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prgb(1+xx, iy)%g = rgb(2)
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prgb( xx, iy)%b = rgb(3)
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prgb(1+xx, iy)%b = rgb(3)
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enddo
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enddo
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! push all the colred dats to disk
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call rgbpix_spit_as_pnm_8(prgb, fname)
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deallocate(prgb)
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end subroutine
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!-----------------------------------------------------
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subroutine fcolm_get_rgb(idx, rgb)
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integer, intent(in) :: idx
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integer, intent(out) :: rgb(3)
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rgb(1) = max(min(currmap(idx, 1), 255), 0) ! Red
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rgb(2) = max(min(currmap(idx, 2), 255), 0) ! Green
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rgb(3) = max(min(currmap(idx, 3), 255), 0) ! Blue
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end subroutine
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!-----------------------------------------------------
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subroutine fcolm_make_gray()
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integer :: idx
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do idx=0, 255
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currmap(idx, 1) = idx
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currmap(idx, 2) = idx
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currmap(idx, 3) = idx
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enddo
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initialized = .TRUE.
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end subroutine
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!-----------------------------------------------------
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subroutine fcolm_print_map()
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integer :: idx
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do idx=0, 255
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print *, currmap(idx, 1), currmap(idx, 2), currmap(idx, 3)
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enddo
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end subroutine
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!-----------------------------------------------------
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end module
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