\noheaderandfooterlines

% in font-imp-scripts, line 145, comment a few lines
%
%                 orientate = function(character)
%                     local width  = character.width or 0
%                     local height = character.height or 0
%                     local depth  = character.depth or 0
% --                     character.width       = height + depth + rightshift + rightshift
%                     character.height      = width - downshift
%                     character.depth       = shift
% --                     character.xoffset     = height + rightshift
% --                     character.yoffset     = - downshift
% --                     character.orientation = orientation
%                 end

\dontcomplain

\setuplayout[middle]

\starttext

\startluacode
    local nuts          = nodes.nuts

    local nextglyph     = nuts.traversers.glyph
    local nextnode      = nuts.traversers.node

    local newhlist      = nuts.pool.hlist
    local newglue       = nuts.pool.glue
    local newpenalty    = nuts.pool.penalty

    local getprev       = nuts.getprev
    local setnext       = nuts.setnext
    local getnext       = nuts.getnext
    local setprev       = nuts.setprev
    local getboth       = nuts.getboth
    local setboth       = nuts.setboth
    local setlink       = nuts.setlink
    local getlist       = nuts.getlist
    local setlist       = nuts.setlist
    local setwhd        = nuts.setwhd
    local getwhd        = nuts.getwhd
    local getid         = nuts.getid
    local getchar       = nuts.getchar

    local getbox        = nuts.getbox

    local getdimensions = nuts.dimensions

    local setorientation  = nuts.setorientation
    local getorientation  = nuts.getorientation

    local glyph_code    = nodes.nodecodes.glyph
    local kern_code     = nodes.nodecodes.kern

    function document.manipulate_one(boxnumber)

        local box  = getbox(1000)
        local list = getlist(b)
        local all  = { }

        for n, c, f in nextglyph, list do
            if c > 200 then
                all[n] = true
            end
        end

        local o = 4 * 65536

        for n, how in next, all do
            local prev, next = getboth(n)
            setboth(n)
            local l = newhlist(n)
            local w, h, d = getwhd(n)
            setlink(prev,l,next)
            if how then
                setwhd(l,h+d+o,w,0)
                setorientation(l,0x003,0,0,h,d-o)
            end
            if n == list then
                setlist(box,l)
            end
        end

    end

    local function flushrange(head,current,first,last)
        local prev = getprev(first)
        local next = getnext(last)
        local list = newhlist(first)
        setprev(first)
        setnext(last)
        local w, h, d = getdimensions(first)
        setwhd(list,h+d,w,0)
        setlink(prev,list,next)
        setorientation(list,0x001,0,0,h,d)
        if first == head then
            return list, list
        else
            return head, list
        end
    end

    local function flushchar(head,current)
        local next = getnext(current)
        local glue = newglue(n,655360)
        setlink(current,glue,next)
        return head, glue
    end

    function document.manipulate_two(boxnumber)

        local box     = getbox(1000)
        local head    = getlist(box)
        local first   = false
        local last    = false
        local current = head
        while current do
            local id = getid(current)
            if id == glyph_code then
                if getchar(current) < 200 then
                    if first then
                        last = current
                    else
                        first = current
                        last  = current
                    end
                else
                    if first then
                        head, current = flushrange(head,current,first,last)
                        first = false
                    end
                    head, current = flushchar(head,current)
                end
            elseif id == kern_code then
                if first then
                    last = current
                end
            elseif first then
                head, current = flushrange(head,current,first,last)
                first = false
            end
            current = getnext(current)
        end
        if first then
            head, current = flushrange(head,current,first,last)
        end
        setlist(box,head)
    end

\stopluacode

% % % % % % % % % %

\setuptolerance[verytolerant,stretch]

\definefont[NotoCJK][NotoSanstc-Regular*default @ 24pt] \setupinterlinespace[40pt]

\unexpanded\def\stripe#1{\hbox orientation 0 yoffset 3pt{\strut #1}}

\setbox1000\hbox{\NotoCJK\startscript[hangul]\dorecurse{20}{通用规范汉字表 \stripe{test #1} }\stopscript}

\ctxlua{document.manipulate_one(1000)}

\ruledvbox orientation 1 to \textwidth \bgroup
    \hsize \textheight
    \unhbox1000
    \vfill
\egroup

\page

\setbox1000\hbox{\NotoCJK\startscript[hangul]\dorecurse{20}{通用规\ruby{范}{x}汉字表 \stripe{test #1} }\stopscript}

\ctxlua{document.manipulate_one(1000)}

\ruledvbox orientation 1 to \textwidth \bgroup
    \hsize \textheight
    \unhbox1000
    \vfill
\egroup

\page

\setupinterlinespace[40pt]

\definefontfeature
    [vertical]
    [vertical={%
        orientation=3,%
        down=.1,%
        right=.1,%
        ranges={%
            cjkcompatibility,%
            cjkcompatibilityforms,%
            cjkcompatibilityideographs,%
            cjkcompatibilityideographssupplement,%
            cjkradicalssupplement,%
          % cjkstrokes,%
            cjksymbolsandpunctuation,%
            cjkunifiedideographs,%
            cjkunifiedideographsextensiona,%
            cjkunifiedideographsextensionb,%
            cjkunifiedideographsextensionc,%
            cjkunifiedideographsextensiond,%
            cjkunifiedideographsextensione,%
            cjkunifiedideographsextensionf,%
        }%
    }]

\definefont[NotoCJKvertical][NotoSanstc-Regular*default,vertical @ 24pt]

\showglyphs

\unexpanded\def\stripe#1{\hbox orientation 0 yoffset 3pt{\strut #1}}

\setbox1000\hbox{\NotoCJKvertical\startscript[hangul]\dorecurse{20}{通用规范汉字表 \stripe{test #1} }\stopscript}

\ruledvbox orientation 1 to \textwidth \bgroup
    \hsize \textheight
    \unhbox1000
    \vfill
\egroup

\page

\setbox1000\hbox{\NotoCJKvertical\startscript[hangul]\dorecurse{20}{通用规\ruby{范}{x}汉字表 \stripe{test #1} }\stopscript}

\ruledvbox orientation 1 to \textwidth \bgroup
    \hsize \textheight
    \unhbox1000
    \vfill
\egroup

% \stopscript

\stoptext