diff options
Diffstat (limited to 'tex/context/base/mkiv/node-fnt.lua')
| -rw-r--r-- | tex/context/base/mkiv/node-fnt.lua | 258 |
1 files changed, 137 insertions, 121 deletions
diff --git a/tex/context/base/mkiv/node-fnt.lua b/tex/context/base/mkiv/node-fnt.lua index 8aa088f88..f846f996d 100644 --- a/tex/context/base/mkiv/node-fnt.lua +++ b/tex/context/base/mkiv/node-fnt.lua @@ -56,7 +56,7 @@ local getfield = nuts.getfield ----- getdisc = nuts.getdisc local setchar = nuts.setchar local setlink = nuts.setlink -local setfield = nuts.setfield +local setnext = nuts.setnext local setprev = nuts.setprev local isglyph = nuts.isglyph -- unchecked @@ -71,6 +71,9 @@ local disc_code = nodecodes.disc local boundary_code = nodecodes.boundary local word_boundary = nodes.boundarycodes.word +local protect_glyphs = nuts.protect_glyphs +local unprotect_glyphs = nuts.unprotect_glyphs + local setmetatableindex = table.setmetatableindex -- some tests with using an array of dynamics[id] and processes[id] demonstrated @@ -140,28 +143,28 @@ local ligaturing = nuts.ligaturing local kerning = nuts.kerning -- -- -- this will go away - -local disccodes = nodes.disccodes -local explicit_code = disccodes.explicit -local automatic_code = disccodes.automatic -local expanders = nil - -function fonts.setdiscexpansion(v) - if v == nil or v == true then - expanders = languages and languages.expanders - elseif type(v) == "table" then - expanders = v - else - expanders = false - end -end - -function fonts.getdiscexpansion() - return expanders and true or false -end - -fonts.setdiscexpansion(true) - +-- +-- local disccodes = nodes.disccodes +-- local explicit_code = disccodes.explicit +-- local automatic_code = disccodes.automatic +-- local expanders = nil +-- +-- function fonts.setdiscexpansion(v) +-- if v == nil or v == true then +-- expanders = languages and languages.expanders +-- elseif type(v) == "table" then +-- expanders = v +-- else +-- expanders = false +-- end +-- end +-- +-- function fonts.getdiscexpansion() +-- return expanders and true or false +-- end +-- +-- fonts.setdiscexpansion(true) +-- -- -- -- till here local function start_trace(head) @@ -193,9 +196,9 @@ local function stop_trace(u,usedfonts,a,attrfonts,b,basefonts,r,redundant,e,expa report_fonts("dynamics: %s",a > 0 and concat(keys(attrfonts)," ") or "none") report_fonts("built-in: %s",b > 0 and b or "none") report_fonts("removed : %s",r > 0 and r or "none") -if expanders then - report_fonts("expanded: %s",e > 0 and e or "none") -end + -- if expanders then + -- report_fonts("expanded: %s",e > 0 and e or "none") + -- end report_fonts() end @@ -212,8 +215,10 @@ function handlers.characters(head,groupcode,size,packtype,direction) local done = false local variants = nil local redundant = nil - local none = false local nuthead = tonut(head) + local lastfont = nil + local lastproc = nil + local lastnone = nil local a, u, b, r, e = 0, 0, 0, 0, 0 @@ -224,54 +229,91 @@ function handlers.characters(head,groupcode,size,packtype,direction) -- There is no gain in checking for a single glyph and then having a fast path. On the -- metafun manual (with some 2500 single char lists) the difference is just noise. + local function protectnone() + protect_glyphs(firstnone,lastnone) + firstnone = nil + end + + local function setnone(n) + if firstnone then + protectnone() + end + if basefont then + basefont[2] = getprev(n) + basefont = false + end + if not firstnone then + firstnone = n + end + lastnone = n + end + + local function setbase(n) + if firstnone then + protectnone() + end + if force_basepass then + if basefont then + basefont[2] = getprev(n) + end + b = b + 1 + basefont = { n, false } + basefonts[b] = basefont + end + end + + local function setnode(n,font,attr) -- we could use prevfont and prevattr when we set then first + if firstnone then + protectnone() + end + if basefont then + basefont[2] = getprev(n) + basefont = false + end + if attr > 0 then + local used = attrfonts[font] + if not used then + used = { } + attrfonts[font] = used + end + if not used[attr] then + local fd = setfontdynamics[font] + if fd then + used[attr] = fd[attr] + a = a + 1 + end + end + else + local used = usedfonts[font] + if not used then + lastfont = font + lastproc = fontprocesses[font] + if lastproc then + usedfonts[font] = lastproc + u = u + 1 + end + end + end + end + for n in traverse_char(nuthead) do local font = getfont(n) - local attr = (none and prevattr) or getattr(n,0) or 0 -- zero attribute is reserved for fonts in context + -- local attr = (none and prevattr) or getattr(n,0) or 0 -- zero attribute is reserved for fonts in context + local attr = getattr(n,0) or 0 -- zero attribute is reserved for fonts in context if font ~= prevfont or attr ~= prevattr then prevfont = font prevattr = attr variants = fontvariants[font] - none = fontmodes[font] == "none" - if none then - -- skip - -- variants = false - protect_glyph(n) + local fontmode = fontmodes[font] + if fontmode == "none" then + setnone(n) + elseif fontmode == "base" then + setbase(n) else - if basefont then - basefont[2] = getprev(n) - end - if attr > 0 then - local used = attrfonts[font] - if not used then - used = { } - attrfonts[font] = used - end - if not used[attr] then - local fd = setfontdynamics[font] - if fd then - used[attr] = fd[attr] - a = a + 1 - elseif force_basepass then - b = b + 1 - basefont = { n, false } - basefonts[b] = basefont - end - end - else - local used = usedfonts[font] - if not used then - local fp = fontprocesses[font] - if fp then - usedfonts[font] = fp - u = u + 1 - elseif force_basepass then - b = b + 1 - basefont = { n, false } - basefonts[b] = basefont - end - end - end + setnode(n,font,attr) end + elseif firstnone then + lastnone = n end if variants then local char = getchar(n) @@ -309,6 +351,10 @@ function handlers.characters(head,groupcode,size,packtype,direction) end end + if firstnone then + protectnone() + end + if force_boundaryrun then -- we can inject wordboundaries and then let the hyphenator do its work @@ -376,49 +422,35 @@ function handlers.characters(head,groupcode,size,packtype,direction) local none = false for n in traverse_char(r) do local font = getfont(n) - local attr = (none and prevattr) or getattr(n,0) or 0 -- zero attribute is reserved for fonts in context + local attr = getattr(n,0) or 0 -- zero attribute is reserved for fonts in context if font ~= prevfont or attr ~= prevattr then prevfont = font prevattr = attr - none = fontmodes[font] == "none" -- very unlikely that we run into disc nodes in none mode - if none then - -- skip - -- variants = false - protect_glyph(n) - elseif attr > 0 then - local used = attrfonts[font] - if not used then - used = { } - attrfonts[font] = used - end - if not used[attr] then - local fd = setfontdynamics[font] - if fd then - used[attr] = fd[attr] - a = a + 1 - end - end + local fontmode = fontmodes[font] + if fontmode == "none" then + setnone(n) + elseif fontmode == "base" then + setbase(n) else - local used = usedfonts[font] - if not used then - local fp = fontprocesses[font] - if fp then - usedfonts[font] = fp - u = u + 1 - end - end + setnode(n,font,attr) end + elseif firstnone then + -- lastnone = n + lastnone = nil end -- we assume one font for now (and if there are more and we get into issues then -- we can always remove the break) break end - elseif expanders then - local subtype = getsubtype(d) - if subtype == automatic_code or subtype == explicit_code then - expanders[subtype](d) - e = e + 1 + if firstnone then + protectnone() end + -- elseif expanders then + -- local subtype = getsubtype(d) + -- if subtype == automatic_code or subtype == explicit_code then + -- expanders[subtype](d) + -- e = e + 1 + -- end end end @@ -432,11 +464,9 @@ function handlers.characters(head,groupcode,size,packtype,direction) if u == 0 then -- skip elseif u == 1 then - local font, processors = next(usedfonts) - -- local attr = a == 0 and false or 0 -- 0 is the savest way local attr = a > 0 and 0 or false -- 0 is the savest way - for i=1,#processors do - local h, d = processors[i](head,font,attr,direction) + for i=1,#lastproc do + local h, d = lastproc[i](head,lastfont,attr,direction) if d then if h then head = h @@ -449,7 +479,7 @@ function handlers.characters(head,groupcode,size,packtype,direction) local attr = a > 0 and 0 or false -- 0 is the savest way for font, processors in next, usedfonts do -- unordered for i=1,#processors do - local h, d = processors[i](head,font,attr,direction) + local h, d = processors[i](head,font,attr,direction,u) if d then if h then head = h @@ -478,7 +508,7 @@ function handlers.characters(head,groupcode,size,packtype,direction) for font, dynamics in next, attrfonts do for attribute, processors in next, dynamics do -- unordered, attr can switch in between for i=1,#processors do - local h, d = processors[i](head,font,attribute,direction) + local h, d = processors[i](head,font,attribute,direction,a) if d then if h then head = h @@ -549,19 +579,5 @@ function handlers.characters(head,groupcode,size,packtype,direction) return head, true end -local d_protect_glyphs = nuts.protect_glyphs -local d_unprotect_glyphs = nuts.unprotect_glyphs - -handlers.protectglyphs = function(n) return d_protect_glyphs (tonut(n)) end -handlers.unprotectglyphs = function(n) return d_unprotect_glyphs(tonut(n)) end - --- function handlers.protectglyphs(h) --- local h = tonut(h) --- for n in traverse_id(disc_code,h) do --- local pre, post, replace = getdisc(n) --- if pre then d_protect_glyphs(pre) end --- if post then d_protect_glyphs(post) end --- if replace then d_protect_glyphs(replace) end --- end --- return d_protect_glyphs(h) --- end +handlers.protectglyphs = function(n) protect_glyphs (tonut(n)) return n, true end +handlers.unprotectglyphs = function(n) unprotect_glyphs(tonut(n)) return n, true end |