--
-- ltj-adjust.lua
--
+luatexja.load_module('base'); local ltjb = luatexja.base
luatexja.load_module('jfont'); local ltjf = luatexja.jfont
luatexja.load_module('jfmglue'); local ltjj = luatexja.jfmglue
luatexja.load_module('stack'); local ltjs = luatexja.stack
local is_reg = false
function enable_cb(status_le, status_pr, status_lp, status_ls)
if (status_le>0 or status_pr>0) and (not is_reg) then
- luatexbase.add_to_callback('post_linebreak_filter',
- adjust_width, 'Adjust width', 100)
+ ltjb.add_to_callback('post_linebreak_filter',
+ adjust_width, 'Adjust width',
+ luatexbase.priority_in_callback('post_linebreak_filter', 'ltj.lineskip')-1)
is_reg = true
elseif is_reg and (status_le==0 and status_pr==0) then
luatexbase.remove_from_callback('post_linebreak_filter', 'Adjust width')
end
if status_le==2 then
if not luatexbase.in_callback('luatexja.adjust_jfmglue', 'luatexja.adjust') then
- luatexbase.add_to_callback('luatexja.adjust_jfmglue', insert_lineend_kern, 'luatexja.adjust')
+ ltjb.add_to_callback('luatexja.adjust_jfmglue', insert_lineend_kern, 'luatexja.adjust')
end
myaw_step1, myaw_step1_last = dummy, aw_step1_last
else
return is_reg and 1 or 0
end
+-- ----------------------------------
+do
+ local max, ins, sort = math.max, table.insert, table.sort
+ local function insert(package, ind, d, b, e)
+ local bound = package[2]
+ bound[b], bound[e]=true, true
+ ins(package[1], {b,e,[ind]=d})
+ end
+ local function flatten(package)
+ local bd={} for i,_ in pairs(package[2]) do ins(bd,{i}) end
+ sort(bd, function (a,b) return a[1]<b[1] end)
+ local bdc=#bd; local t = package[1]
+ sort(t, function (a,b) return a[1]<b[1] end)
+ local bdi =1
+ for i=1,#t do
+ while bd[bdi][1]<t[i][1] do bdi=bdi+1 end
+ local j = bdi
+ while j<bdc and bd[j+1][1]<=t[i][2] do
+ for k,w in pairs(t[i]) do
+ if k>=3 then
+ bd[j][k]=bd[j][k] and max(bd[j][k],w) or w
+ end
+ end
+ j=j+1
+ end
+ end
+ package[2]=nil; package[1]=nil; package.flatten, package.insert=nil, nil
+ bd[#bd]=nil
+ return bd
+ end
+ function init_range()
+ return {{},{}, insert=insert, flatten=flatten}
+ end
+end
+
-- -----------------------------------
luatexja.adjust.step_factor = 0.5
+luatexja.unary_pars.linestep_factor = function(t)
+ return luatexja.adjust.step_factor
+end
+luatexja.adjust.profile_hgap_factor = 1
+luatexja.unary_pars.profile_hgap_factor = function(t)
+ return luatexja.adjust.profile_hgap_factor
+end
do
local insert = table.insert
local rangedimensions, max = node.direct.rangedimensions, math.max
- function ltjl.p_profile(before, after, mirrored, bw)
- local t = {}
- do
- local w_acc, d_before = 0, 0
- local x = getlist(before); local xn = node_next(x)
- while x do
- local w, d
- if xn then w, _, d= rangedimensions(before,x,xn)
- else w, _, d= rangedimensions(before,x) end
- if d~=d_before then
- d_before = d; t[w_acc] = t[w_acc] or {}
- if t[w_acc][1] then t[w_acc][1]=max(t[w_acc][1],d)
- else t[w_acc][1]=d end
- end
- w_acc = w_acc + w
- x = xn; if x then xn = node_next(x) end
- end
- end
- do
- local w_acc, h_before = 0, 0
- local x = getlist(after); local xn = node_next(x)
- while x do
- local w, h, d
- if xn then w, h, d = rangedimensions(after,x,xn)
- else w, h,d = rangedimensions(after,x) end
- if mirrored then h=d end
- if h~=h_before then
- h_before = h; t[w_acc] = t[w_acc] or {}
- if t[w_acc][2] then t[w_acc][2]=max(t[w_acc][2],h)
- else t[w_acc][2]=h end
- end
- w_acc = w_acc + w
- x = xn; if x then xn = node_next(x) end
+ local function profile_inner(box, range, ind, vmirrored, adj)
+ local w_acc, d_before = getfield(box,'shift'), 0
+ local x = getlist(box); local xn = node_next(x)
+ while x do
+ local w, h, d
+ if xn then w, h, d= rangedimensions(box,x,xn)
+ else w, h, d= rangedimensions(box,x) end
+ if vmirrored then h=d end
+ local w_new = w_acc + w
+ if w>=0 then
+ range:insert(ind, h, w_acc-adj, w_new)
+ else
+ range:insert(ind, h, w_new-adj, w_acc)
end
+ w_acc = w_new; x = xn; if x then xn = node_next(x) end
end
- local t2 = {}
- for i,v in pairs(t) do insert(t2, { i, v[1], v[2] } ) end
- table.sort(t2, function(a,b) return a[1]<b[1] end)
+ end
+ function ltjl.p_profile(before, after, mirrored, bw)
+ local range, tls
+ = init_range(), luatexja.adjust.profile_hgap_factor*tex.lineskip.width
+ profile_inner(before, range, 3, true, tls)
+ profile_inner(after, range, 4, mirrored, tls)
+ range = range:flatten()
do
local dmax, d, hmax, h, lmin = 0, 0, 0, 0, 1/0
- for i,v in ipairs(t2) do
- d, h = (v[2] or d), (v[3] or h)
+ for i,v in ipairs(range) do
+ d, h = (v[3] or 0), (v[4] or 0)
if d>dmax then dmax=d end
if h>hmax then hmax=h end
- if (bw-h-d)<lmin then lmin=bw-h-d end
+ if bw-h-d<lmin then lmin=bw-h-d end
end
- if lmin==1/0 then lmin = 0 end
+ if lmin==1/0 then lmin = bw end
return lmin,
bw - lmin - getfield(before, 'depth')
- getfield(after, mirrored and 'depth' or 'height')
local ltja = luatexja.adjust
local copy_glue = ltjl.copy_glue
local floor, max = math.floor, math.max
- function ltjl.l_step(dist, g, adj, normal, bw)
+ function ltjl.l_step(dist, g, adj, normal, bw, loc)
+ if loc=='alignment' then
+ return ltjl.l_dummy(dist, g, adj, normal, bw, loc)
+ end
if dist < tex.lineskiplimit then
- local f = max(1, bw*ltja.step_factor)
+ local f = max(1, bw*ltja.step_factor)
copy_glue(g, tex.baselineskip, 1, normal - f * floor((dist-tex.lineskip.width)/f))
else
copy_glue(g, tex.baselineskip, 2, normal)
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