diff options
Diffstat (limited to 'tex/context/base/mkiv/driv-shp.lua')
| -rw-r--r-- | tex/context/base/mkiv/driv-shp.lua | 72 |
1 files changed, 42 insertions, 30 deletions
diff --git a/tex/context/base/mkiv/driv-shp.lua b/tex/context/base/mkiv/driv-shp.lua index 569a1f8dc..471fa92f0 100644 --- a/tex/context/base/mkiv/driv-shp.lua +++ b/tex/context/base/mkiv/driv-shp.lua @@ -437,33 +437,41 @@ end -- t[k] = v -- return v -- end +-- +-- local dirstack = setmetatableindex(dirstackentry) +-- +-- local function reset_dir_stack() +-- dirstack = setmetatableindex(dirstackentry) +-- end ------ dirstack = { } -local dirstack = setmetatableindex(dirstackentry) +local dirstack = { } local function reset_dir_stack() - -- dirstack = setmetatableindex(dirstackentry) dirstack = { } end +local leaderlevel = 0 + local function flushlatelua(current,h,v) + -- Here we assume maganement by the lua function so currently we don't + -- check for leaderlevel. return backends.latelua(current,h,v) end local function flushwriteout(current) - if not doing_leaders then + if leaderlevel == 0 then backends.writeout(current) end end local function flushopenout(current) - if not doing_leaders then + if leaderlevel == 0 then backends.openout(current) end end local function flushcloseout(current) - if not doing_leaders then + if leaderlevel == 0 then backends.closeout(current) end end @@ -539,8 +547,6 @@ local hlist_out, vlist_out do -- check frequencies of nodes hlist_out = function(this_box,current) - local outer_doing_leaders = false - local ref_h = pos_h local ref_v = pos_v local ref_r = pos_r @@ -635,6 +641,7 @@ local hlist_out, vlist_out do end end local shift = getshift(leader) + leaderlevel = leaderlevel + 1 while cur_h + width <= edge do local basepoint_h = 0 -- local basepoint_v = shift @@ -649,16 +656,14 @@ local hlist_out, vlist_out do end pos_v = ref_v - shift -- synced - outer_doing_leaders = doing_leaders - doing_leaders = true if getid(leader) == vlist_code then vlist_out(leader,getlist(leader)) else hlist_out(leader,getlist(leader)) end - doing_leaders = outer_doing_leaders cur_h = cur_h + width + lx end + leaderlevel = leaderlevel - 1 cur_h = edge - 10 else cur_h = cur_h + gluewidth @@ -746,14 +751,6 @@ local hlist_out, vlist_out do end end cur_h = cur_h + width - elseif id == disc_code then - local replace, tail = getreplace(current) - if replace and subtype ~= select_disc then - -- we could flatten .. no gain - setlink(tail,getnext(current)) - setlink(current,replace) - setreplace(current) - end elseif id == kern_code then local kern, factor = getkern(current,true) if kern ~= 0 then @@ -865,11 +862,22 @@ local hlist_out, vlist_out do elseif subtype == openwhatsit_code then flushopenout(current) end + elseif id == disc_code then + local replace, tail = getreplace(current) + if replace and subtype ~= select_disc then + -- we could flatten .. no gain + setlink(tail,getnext(current)) + setlink(current,replace) + setreplace(current) + end -- elseif id == localpar_code and start_of_par(current) then -- local pardir = getdirection(current) or lefttoright_code -- if pardir == righttoleft_code then -- end -- end + else + -- penalty, boundary ... no dimensions + goto synced end -- There is no gain in skipping over this when we have zero progression -- and such. @@ -887,8 +895,6 @@ local hlist_out, vlist_out do end vlist_out = function(this_box,current) - local outer_doing_leaders = false - local ref_h = pos_h local ref_v = pos_v local ref_r = pos_r @@ -968,6 +974,7 @@ local hlist_out, vlist_out do end end local shift = getshift(leader) + leaderlevel = leaderlevel + 1 while cur_v + total <= edge do -- todo: <= edge - total -- synch_pos_with_cur(ref_h, ref_v, getshift(leader), cur_v + height) if pos_r == righttoleft_code then @@ -977,16 +984,14 @@ local hlist_out, vlist_out do end pos_v = ref_v - (cur_v + height) -- synced - outer_doing_leaders = doing_leaders - doing_leaders = true if getid(leader) == vlist_code then vlist_out(leader,getlist(leader)) else hlist_out(leader,getlist(leader)) end - doing_leaders = outer_doing_leaders cur_v = cur_v + total + ly end + leaderlevel = leaderlevel - 1 cur_v = edge - 10 else cur_v = cur_v + glueheight @@ -1005,13 +1010,17 @@ local hlist_out, vlist_out do if not orientation then -- local basepoint_h = shift -- local basepoint_v = height - if boxdir ~= pos_r then - shift = shift + width - end - if pos_r == righttoleft_code then - pos_h = ref_h - shift + if shift == 0 then + pos_h = ref_h else - pos_h = ref_h + shift + if boxdir ~= pos_r then + shift = shift + width + end + if pos_r == righttoleft_code then + pos_h = ref_h - shift + else + pos_h = ref_h + shift + end end pos_v = ref_v - (cur_v + height) -- synced @@ -1114,6 +1123,9 @@ local hlist_out, vlist_out do elseif subtype == openwhatsit_code then flushopenout(current) end + else + -- penalty + goto synced end if pos_r == righttoleft_code then pos_h = ref_h - cur_h |