diff options
| -rw-r--r-- | tex/context/base/cont-new.mkiv | 2 | ||||
| -rw-r--r-- | tex/context/base/context-version.pdf | bin | 4106 -> 4112 bytes | |||
| -rw-r--r-- | tex/context/base/context.mkiv | 2 | ||||
| -rw-r--r-- | tex/context/base/math-ini.mkiv | 11 | ||||
| -rw-r--r-- | tex/context/base/page-mix.lua | 354 | ||||
| -rw-r--r-- | tex/context/base/status-files.pdf | bin | 24756 -> 24778 bytes | |||
| -rw-r--r-- | tex/context/base/status-lua.log | 2 | ||||
| -rw-r--r-- | tex/context/base/strc-itm.mkvi | 1 | ||||
| -rw-r--r-- | tex/generic/context/luatex/luatex-fonts-merged.lua | 2 |
9 files changed, 279 insertions, 95 deletions
diff --git a/tex/context/base/cont-new.mkiv b/tex/context/base/cont-new.mkiv index f9b31f31b..4b542c0d8 100644 --- a/tex/context/base/cont-new.mkiv +++ b/tex/context/base/cont-new.mkiv @@ -11,7 +11,7 @@ %C therefore copyrighted by \PRAGMA. See mreadme.pdf for %C details. -\newcontextversion{2013.09.19 13:52} +\newcontextversion{2013.09.19 17:08} %D This file is loaded at runtime, thereby providing an excellent place for %D hacks, patches, extensions and new features. diff --git a/tex/context/base/context-version.pdf b/tex/context/base/context-version.pdf Binary files differindex 93c46df4c..8aca2aa54 100644 --- a/tex/context/base/context-version.pdf +++ b/tex/context/base/context-version.pdf diff --git a/tex/context/base/context.mkiv b/tex/context/base/context.mkiv index ad67b3668..8866ecfe9 100644 --- a/tex/context/base/context.mkiv +++ b/tex/context/base/context.mkiv @@ -25,7 +25,7 @@ %D up and the dependencies are more consistent. \edef\contextformat {\jobname} -\edef\contextversion{2013.09.19 13:52} +\edef\contextversion{2013.09.19 17:08} \edef\contextkind {beta} %D For those who want to use this: diff --git a/tex/context/base/math-ini.mkiv b/tex/context/base/math-ini.mkiv index bbec7d77d..f2327c22c 100644 --- a/tex/context/base/math-ini.mkiv +++ b/tex/context/base/math-ini.mkiv @@ -414,6 +414,17 @@ {\ifdefined\normalhbox\else\let\normalhbox\hbox\fi % ? \let\hbox\mbox} +\unexpanded\def\snappedmath#1% sort of \struttedbox + {\dontleavehmode + \begingroup + \setbox\scratchbox\hbox\bgroup + \startimath#1\stopimath + \egroup + \ht\scratchbox\strutht + \dp\scratchbox\strutht + \box\scratchbox + \endgroup} + %D The next hack is needed needed for sine, cosine etc. \let\mathfunction\firstofoneunexpanded diff --git a/tex/context/base/page-mix.lua b/tex/context/base/page-mix.lua index f86e2f279..ef5308546 100644 --- a/tex/context/base/page-mix.lua +++ b/tex/context/base/page-mix.lua @@ -135,16 +135,11 @@ local function discardtopglue(current,discarded) elseif id == penalty_code then if current.penalty == forcedbreak then discarded[#discarded+1] = current - current = current.next - while current do - local id = current.id - if id == glue_code then - size = size + current.spec.width - discarded[#discarded+1] = current - current = current.next - else - break - end + current = getnext(current) + while current and current.id == glue_code do + size = size + current.spec.width + discarded[#discarded+1] = current + current = current.next end else discarded[#discarded+1] = current @@ -221,6 +216,10 @@ local function setsplit(specification) -- a rather large function local height = 0 local depth = 0 local skip = 0 + local splitmethod = specification.splitmethod or false + if splitmethod == v_none then + splitmethod = false + end local options = settings_to_hash(specification.option or "") local stripbottom = specification.alternative == v_local local cycle = specification.cycle or 1 @@ -256,12 +255,35 @@ local function setsplit(specification) -- a rather large function delta = 0, } end + local column = 1 local line = 0 - local result = results[column] + local result = results[1] local lasthead = nil local rest = nil + + if trace_state then + report_state("setting collector to column %s",column) + end + + local lastlocked = nil + local lastcurrent = nil + + local backtracked = false + local function gotonext() + if lastcurrent then + if current ~= lastcurrent then + if trace_state then + report_state("backtracking to preferred break in column %s",column) + end + -- todo: also remember height/depth + current = lastcurrent + backtracked = true + end + lastcurrent = nil + lastlocked = nil + end if head == lasthead then if trace_state then report_state("empty column %s, needs more work",column) @@ -290,12 +312,16 @@ local function setsplit(specification) -- a rather large function local skipped column = column + 1 result = results[column] + if trace_state then + report_state("setting collector to column %s",column) + end current, skipped = discardtopglue(current,discarded) head = current return true, skipped end end - local function checked(advance,where) + + local function checked(advance,where,locked) local total = skip + height + depth + advance local delta = total - target local state = "same" @@ -317,47 +343,34 @@ local function setsplit(specification) -- a rather large function end return state, skipped end + current, skipped = discardtopglue(current,discarded) if trace_detail and skipped ~= 0 then report_state("check > column 1, discarded %p",skipped) end + + -- problem: when we cannot break after a list (and we only can expect same-page situations as we don't + -- care too much about weighted breaks here) we should sort of look ahead or otherwise be able to push + -- back inserts and so + -- + -- ok, we could use vsplit but we don't have that one opened up yet .. maybe i should look into the c-code + -- .. something that i try to avoid so let's experiment more before we entry dirty trick mode + head = current - while current do - local id = current.id - local nxt = current.next - local lastcolumn = column - if id == hlist_code or id == vlist_code then - line = line + 1 - local nxtid = nxt and nxt.id - local inserts, currentskips, nextskips, inserttotal = nil, 0, 0, 0 - local advance = current.height -- + current.depth - if nxt and (nxtid == insert_code or nxtid == mark_code) then - nxt, inserts, localskips, insertskips, inserttotal = collectinserts(result,nxt,nxtid) - end - local state, skipped = checked(advance+inserttotal+currentskips,"line") - if trace_state then - report_state("%-7s > column %s, state %a, line %s, advance %p, insert %p, height %p","line",column,state,line,advance,inserttotal,height) - if skipped ~= 0 then - report_state("%-7s > column %s, discarded %p","line",column,skipped) - end - end - if state == "quit" then - break - else - height = height + depth + skip + advance + inserttotal - if state == "next" then - height = height + nextskips - else - height = height + currentskips + + local function process_skip(current,nxt) + local advance = current.spec.width + local prv = current.prev + if prv.id == penalty_code then + local penalty = prv.penalty + if penalty < 4000 then + lastlocked = nil + lastcurrent = nil end + elseif current.subtype ~= lineskip_code then + lastlocked = nil + lastcurrent = nil end - depth = current.depth - skip = 0 - if inserts then - appendinserts(result.inserts,inserts) - end - elseif id == glue_code then - local advance = current.spec.width if advance ~= 0 then local state, skipped = checked(advance,"glue") if trace_state then @@ -367,60 +380,222 @@ local function setsplit(specification) -- a rather large function end end if state == "quit" then - break + return true end height = height + depth + skip depth = 0 skip = height > 0 and advance or 0 - end - elseif id == kern_code then - local advance = current.kern - if advance ~= 0 then - local state, skipped = checked(advance,"kern") if trace_state then - report_state("%-7s > column %s, state %a, advance %p, height %p, state %a","kern",column,state,advance,height) - if skipped ~= 0 then - report_state("%-7s > column %s, discarded %p","kern",column,skipped) - end + report_state("%-7s > column %s, height %p, depth %p, skip %p","glue",column,height,depth,skip) end - if state == "quit" then - break + else + -- what else? ignore? treat as valid as usual? + end + end + + local function process_kern(current,nxt) + local advance = current.kern + if advance ~= 0 then + local state, skipped = checked(advance,"kern") + if trace_state then + report_state("%-7s > column %s, state %a, advance %p, height %p, state %a","kern",column,state,advance,height) + if skipped ~= 0 then + report_state("%-7s > column %s, discarded %p","kern",column,skipped) end - height = height + depth + skip + advance - depth = 0 - skip = 0 end - elseif id == penalty_code then - local penalty = current.penalty - if penalty == 0 then - -- don't bother - elseif penalty == forcedbreak then - local okay, skipped = gotonext() - if okay then - if trace_state then - report_state("cycle: %s, forced column break (same page)",cycle) - if skipped ~= 0 then - report_state("%-7s > column %s, discarded %p","penalty",column,skipped) - end - end - else - if trace_state then - report_state("cycle: %s, forced column break (next page)",cycle) - if skipped ~= 0 then - report_state("%-7s > column %s, discarded %p","penalty",column,skipped) - end + if state == "quit" then + return true + end + height = height + depth + skip + advance + depth = 0 + skip = 0 + if trace_state then + report_state("%-7s > column %s, height %p, depth %p, skip %p","kern",column,height,depth,skip) + end + end + end + + local function process_rule(current,nxt) + -- simple variant of h|vlist + local advance = current.height -- + current.depth + local state, skipped = checked(advance+currentskips,"rule") + if trace_state then + report_state("%-7s > column %s, state %a, rule, advance %p, height %p","line",column,state,advance,inserttotal,height) + if skipped ~= 0 then + report_state("%-7s > column %s, discarded %p","rule",column,skipped) + end + end + if state == "quit" then + return true + end + height = height + depth + skip + advance + if state == "next" then + height = height + nextskips + else + height = height + currentskips + end + depth = current.depth + skip = 0 + end + + -- okay, here we could do some badness like magic but we want something + -- predictable and even better: strategies .. so eventually this will + -- become installable + -- + -- [chapter] [penalty] [section] [penalty] [first line] + -- + -- we need some nice use cases so the next is just for me to play with + + -- todo: presets: + -- + -- fixed : criterium=4000 check=no + -- large : criterium=4000 check=more + -- auto : criterium=0 check=more + + local lockcriterium = 4000 + + local function prevprev(current) + local p = current.prev + return p and p.prev + end + + local function reassess(current,penalty) + if splitmethod == v_fixed then + -- quite ok, a magic number: used as samepage (in sectioning) + if penalty >= lockcriterium then + if not lastlocked then + lastcurrent = prevprev(current) + lastlocked = lastcurrent and penalty + end + return + end + elseif splitmethod == v_more then + -- experiment, might change + if penalty >= lockcriterium then + if not lastlocked or penalty >= lastlocked then + lastcurrent = prevprev(current) + lastlocked = lastcurrent and penalty + end + return + end + elseif splitmethod == v_auto then + if penalty > 0 then + if not lastlocked or penalty > lastlocked then + lastcurrent = prevprev(current) + lastlocked = lastcurrent and penalty + end + return + end + end + lastlocked = nil + lastcurrent = nil + end + + local function process_penalty(current,nxt) + local penalty = current.penalty + if penalty == 0 then + lastlocked = nil + lastcurrent = nil + elseif penalty == forcedbreak then + lastlocked = nil + lastcurrent = nil + local okay, skipped = gotonext() + if okay then + if trace_state then + report_state("cycle: %s, forced column break, same page",cycle) + if skipped ~= 0 then + report_state("%-7s > column %s, discarded %p","penalty",column,skipped) end - break end else - -- todo: nobreak etc ... we might need to backtrack so we need to remember - -- the last acceptable break - -- club and widow and such i.e. resulting penalties (if we care) + if trace_state then + report_state("cycle: %s, forced column break, next page",cycle) + if skipped ~= 0 then + report_state("%-7s > column %s, discarded %p","penalty",column,skipped) + end + end + return true + end + elseif penalty < 0 then + -- we don't care too much + lastlocked = nil + lastcurrent = nil + elseif splitmethod then + reassess(current,penalty) + else + lastlocked = nil + lastcurrent = nil + end + end + + local function process_list(current,nxt) + local nxtid = nxt and nxt.id + line = line + 1 + local inserts, currentskips, nextskips, inserttotal = nil, 0, 0, 0 + local advance = current.height -- + current.depth + if trace_state then + report_state("%-7s > column %s, content: %s","line",column,listtoutf(current.list,true,true)) + end + if nxt and (nxtid == insert_code or nxtid == mark_code) then + nxt, inserts, localskips, insertskips, inserttotal = collectinserts(result,nxt,nxtid) + end + local state, skipped = checked(advance+inserttotal+currentskips,"line",lastlocked) + if trace_state then + report_state("%-7s > column %s, state %a, line %s, advance %p, insert %p, height %p","line",column,state,line,advance,inserttotal,height) + if skipped ~= 0 then + report_state("%-7s > column %s, discarded %p","line",column,skipped) end end - if current then -- lastcolumn == column then - nxt = current.next -- can have changed + if state == "quit" then + return true end + height = height + depth + skip + advance + inserttotal + if state == "next" then + height = height + nextskips + else + height = height + currentskips + end + depth = current.depth + skip = 0 + if inserts then + -- so we already collect them ... makes backtracking tricky ... alternatively + -- we can do that in a separate loop ... no big deal either + appendinserts(result.inserts,inserts) + end + if trace_state then + report_state("%-7s > column %s, height %p, depth %p, skip %p","line",column,height,depth,skip) + end + end + + while current do + + local id = current.id + local nxt = current.next + + backtracked = false + + -- print("process",nodetostring(current)) + + if id == hlist_code or id == vlist_code then + if process_list(current,nxt) then break end + elseif id == glue_code then + if process_skip(current,nxt) then break end + elseif id == kern_code then + if process_kern(current,nxt) then break end + elseif id == penalty_code then + if process_penalty(current,nxt) then break end + elseif id == rule_code then + if process_rule(current,nxt) then break end + else + end + + if backtracked then + -- print("pickup",nodetostring(current)) + nxt = current + else + -- print("move on",nodetostring(current)) + end + if nxt then current = nxt elseif head == lasthead then @@ -438,6 +613,7 @@ local function setsplit(specification) -- a rather large function break end end + if not current then if trace_state then report_state("nilling rest") @@ -557,9 +733,6 @@ function mixedcolumns.setsplit(specification) end end -local topskip_code = gluecodes.topskip -local baselineskip_code = gluecodes.baselineskip - function mixedcolumns.getsplit(result,n) if not result then report_state("flush, column %s, no result",n) @@ -616,7 +789,8 @@ function mixedcolumns.getsplit(result,n) end for c, list in next, r.inserts do - local b = vpack(concatnodes(list)) -- multiple arguments + local l = concatnodes(list) + local b = vpack(l) -- multiple arguments, todo: fastvpack -- texsetbox("global",c,b) texsetbox(c,b) r.inserts[c] = nil diff --git a/tex/context/base/status-files.pdf b/tex/context/base/status-files.pdf Binary files differindex 90791c6b9..26abecfb3 100644 --- a/tex/context/base/status-files.pdf +++ b/tex/context/base/status-files.pdf diff --git a/tex/context/base/status-lua.log b/tex/context/base/status-lua.log index 27cb2d27d..51d51e0b0 100644 --- a/tex/context/base/status-lua.log +++ b/tex/context/base/status-lua.log @@ -1,6 +1,6 @@ (cont-yes.mkiv -ConTeXt ver: 2013.09.19 13:52 MKIV beta fmt: 2013.9.19 int: english/english +ConTeXt ver: 2013.09.19 17:08 MKIV beta fmt: 2013.9.19 int: english/english system > 'cont-new.mkiv' loaded (cont-new.mkiv) diff --git a/tex/context/base/strc-itm.mkvi b/tex/context/base/strc-itm.mkvi index 6d8745b19..b4b19eb2d 100644 --- a/tex/context/base/strc-itm.mkvi +++ b/tex/context/base/strc-itm.mkvi @@ -408,7 +408,6 @@ \settrue\c_strc_itemgroups_inline \settrue\c_strc_itemgroups_joined \strc_itemgroups_process_set_option_pack} -\setvalue{\??itemgroupkeyword\v!columns }{\strc_itemgroups_process_set_option_pack} \setvalue{\??itemgroupkeyword\v!before }{\settrue\c_strc_itemgroups_before} \setvalue{\??itemgroupkeyword\v!after }{\settrue\c_strc_itemgroups_after} \setvalue{\??itemgroupkeyword\v!nowhite }{\settrue\c_strc_itemgroups_nowhite} diff --git a/tex/generic/context/luatex/luatex-fonts-merged.lua b/tex/generic/context/luatex/luatex-fonts-merged.lua index 6251ec816..b90de920f 100644 --- a/tex/generic/context/luatex/luatex-fonts-merged.lua +++ b/tex/generic/context/luatex/luatex-fonts-merged.lua @@ -1,6 +1,6 @@ -- merged file : luatex-fonts-merged.lua -- parent file : luatex-fonts.lua --- merge date : 09/19/13 13:52:26 +-- merge date : 09/19/13 17:08:32 do -- begin closure to overcome local limits and interference |