From a8cae347b3c8a3154c36444e5d38705b59e5e57e Mon Sep 17 00:00:00 2001
From: Philipp Gesang <phg@phi-gamma.net>
Date: Fri, 10 Jun 2016 07:43:41 +0200
Subject: [fontloader] sync with Context as of 2016-05-31
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This corresponds to commit a274872832cd on the mirror repo. The changes
since then were numerous but seem to introduce a couple new files we
didn’t ask for =) Later.
---
src/fontloader/misc/fontloader-font-con.lua | 37 ++++---
src/fontloader/misc/fontloader-font-dsp.lua | 29 +++---
src/fontloader/misc/fontloader-font-otj.lua | 11 +-
src/fontloader/misc/fontloader-font-otl.lua | 2 +-
src/fontloader/runtime/fontloader-reference.lua | 127 +++++++++++++++---------
5 files changed, 128 insertions(+), 78 deletions(-)
diff --git a/src/fontloader/misc/fontloader-font-con.lua b/src/fontloader/misc/fontloader-font-con.lua
index 45ecdd6..367f807 100644
--- a/src/fontloader/misc/fontloader-font-con.lua
+++ b/src/fontloader/misc/fontloader-font-con.lua
@@ -337,6 +337,20 @@ function constructors.enhanceparameters(parameters)
}
end
+local function mathkerns(v,vdelta)
+ local k = { }
+ for i=1,#v do
+ local entry = v[i]
+ local height = entry.height
+ local kern = entry.kern
+ k[i] = {
+ height = height and vdelta*height or 0,
+ kern = kern and vdelta*kern or 0,
+ }
+ end
+ return k
+end
+
function constructors.scale(tfmdata,specification)
local target = { } -- the new table
--
@@ -748,22 +762,15 @@ function constructors.scale(tfmdata,specification)
chr.top_accent = vdelta*va
end
if stackmath then
- local mk = character.mathkerns -- not in math ?
+ local mk = character.mathkerns
if mk then
- local kerns = { }
- local v = mk.top_right if v then local k = { } for i=1,#v do local vi = v[i]
- k[i] = { height = vdelta*vi.height, kern = vdelta*vi.kern }
- end kerns.top_right = k end
- local v = mk.top_left if v then local k = { } for i=1,#v do local vi = v[i]
- k[i] = { height = vdelta*vi.height, kern = vdelta*vi.kern }
- end kerns.top_left = k end
- local v = mk.bottom_left if v then local k = { } for i=1,#v do local vi = v[i]
- k[i] = { height = vdelta*vi.height, kern = vdelta*vi.kern }
- end kerns.bottom_left = k end
- local v = mk.bottom_right if v then local k = { } for i=1,#v do local vi = v[i]
- k[i] = { height = vdelta*vi.height, kern = vdelta*vi.kern }
- end kerns.bottom_right = k end
- chr.mathkern = kerns -- singular -> should be patched in luatex !
+ local tr, tl, br, bl = mk.topright, mk.topleft, mk.bottomright, mk.bottomleft
+ chr.mathkern = { -- singular -> should be patched in luatex !
+ top_right = tr and mathkerns(tr,vdelta) or nil,
+ top_left = tl and mathkerns(tl,vdelta) or nil,
+ bottom_right = br and mathkerns(br,vdelta) or nil,
+ bottom_left = bl and mathkerns(bl,vdelta) or nil,
+ }
end
end
if hasitalics then
diff --git a/src/fontloader/misc/fontloader-font-dsp.lua b/src/fontloader/misc/fontloader-font-dsp.lua
index e265f48..37ae166 100644
--- a/src/fontloader/misc/fontloader-font-dsp.lua
+++ b/src/fontloader/misc/fontloader-font-dsp.lua
@@ -715,6 +715,8 @@ function gsubhandlers.single(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofg
end
end
+-- we see coverage format 0x300 in some old ms fonts
+
local function sethandler(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs,what)
local tableoffset = lookupoffset + offset
setposition(f,tableoffset)
@@ -1628,12 +1630,12 @@ do
if not h then
-- here we have a lookup that is used independent as well
-- as in another one
- nofsublookups = nofsublookups + 1
- -- report("registering %i as sublookup %i",lookupid,nofsublookups)
local lookup = lookups[lookupid]
if lookup then
local d = lookup.done
if d then
+ nofsublookups = nofsublookups + 1
+ -- report("registering %i as sublookup %i",lookupid,nofsublookups)
h = {
index = nofsublookups, -- handy for tracing
name = f_lookupname(lookupprefix,"d",lookupid+lookupidoffset),
@@ -2027,16 +2029,15 @@ local function readmathglyphinfo(f,fontdata,offset)
local function get(offset)
setposition(f,kernoffset+offset)
local n = readushort(f)
- if n > 0 then
+ if n == 0 then
+ local k = readmathvalue(f)
+ if k == 0 then
+ -- no need for it (happens sometimes)
+ else
+ return { { kern = k } }
+ end
+ else
local l = { }
- -- for i=1,n do
- -- l[i] = { readushort(f), 0 } -- height, kern
- -- skipshort(f)
- -- end
- -- for i=1,n do
- -- l[i][2] = readushort(f)
- -- skipshort(f)
- -- end
for i=1,n do
l[i] = { height = readmathvalue(f) }
end
@@ -2071,10 +2072,10 @@ local function readmathglyphinfo(f,fontdata,offset)
if next(kernset) then
local glyph = glyphs[coverage[i]]
local math = glyph.math
- if not math then
- glyph.math = { kerns = kernset }
- else
+ if math then
math.kerns = kernset
+ else
+ glyph.math = { kerns = kernset }
end
end
end
diff --git a/src/fontloader/misc/fontloader-font-otj.lua b/src/fontloader/misc/fontloader-font-otj.lua
index 61baf93..0db30c6 100644
--- a/src/fontloader/misc/fontloader-font-otj.lua
+++ b/src/fontloader/misc/fontloader-font-otj.lua
@@ -753,7 +753,7 @@ local function inject_pairs_only(head,where)
end
local leftkern = i.leftkern
if leftkern and leftkern ~= 0 then
- insert_node_before(head,current,newkern(leftkern))
+ head = insert_node_before(head,current,newkern(leftkern))
end
local rightkern = i.rightkern
if rightkern and rightkern ~= 0 then
@@ -1521,10 +1521,19 @@ function injections.handler(head,where)
head = injectspaces(head)
end
if nofregisteredmarks > 0 or nofregisteredcursives > 0 then
+ if trace_injections then
+ report_injections("injection variant %a","everything")
+ end
return inject_everything(head,where)
elseif nofregisteredpairs > 0 then
+ if trace_injections then
+ report_injections("injection variant %a","pairs")
+ end
return inject_pairs_only(head,where)
elseif nofregisteredkerns > 0 then
+ if trace_injections then
+ report_injections("injection variant %a","kerns")
+ end
return inject_kerns_only(head,where)
else
return head, false
diff --git a/src/fontloader/misc/fontloader-font-otl.lua b/src/fontloader/misc/fontloader-font-otl.lua
index 304b6b9..73e3df9 100644
--- a/src/fontloader/misc/fontloader-font-otl.lua
+++ b/src/fontloader/misc/fontloader-font-otl.lua
@@ -53,7 +53,7 @@ local report_otf = logs.reporter("fonts","otf loading")
local fonts = fonts
local otf = fonts.handlers.otf
-otf.version = 3.020 -- beware: also sync font-mis.lua and in mtx-fonts
+otf.version = 3.021 -- beware: also sync font-mis.lua and in mtx-fonts
otf.cache = containers.define("fonts", "otl", otf.version, true)
local otfreaders = otf.readers
diff --git a/src/fontloader/runtime/fontloader-reference.lua b/src/fontloader/runtime/fontloader-reference.lua
index 9e7d889..4d1ef83 100644
--- a/src/fontloader/runtime/fontloader-reference.lua
+++ b/src/fontloader/runtime/fontloader-reference.lua
@@ -1,6 +1,6 @@
-- merged file : c:/data/develop/context/sources/luatex-fonts-merged.lua
-- parent file : c:/data/develop/context/sources/luatex-fonts.lua
--- merge date : 05/22/16 15:18:33
+-- merge date : 05/31/16 09:02:55
do -- begin closure to overcome local limits and interference
@@ -5286,6 +5286,19 @@ function constructors.enhanceparameters(parameters)
extra=extra,
}
end
+local function mathkerns(v,vdelta)
+ local k={}
+ for i=1,#v do
+ local entry=v[i]
+ local height=entry.height
+ local kern=entry.kern
+ k[i]={
+ height=height and vdelta*height or 0,
+ kern=kern and vdelta*kern or 0,
+ }
+ end
+ return k
+end
function constructors.scale(tfmdata,specification)
local target={}
if tonumber(specification) then
@@ -5624,22 +5637,15 @@ function constructors.scale(tfmdata,specification)
chr.top_accent=vdelta*va
end
if stackmath then
- local mk=character.mathkerns
+ local mk=character.mathkerns
if mk then
- local kerns={}
- local v=mk.top_right if v then local k={} for i=1,#v do local vi=v[i]
- k[i]={ height=vdelta*vi.height,kern=vdelta*vi.kern }
- end kerns.top_right=k end
- local v=mk.top_left if v then local k={} for i=1,#v do local vi=v[i]
- k[i]={ height=vdelta*vi.height,kern=vdelta*vi.kern }
- end kerns.top_left=k end
- local v=mk.bottom_left if v then local k={} for i=1,#v do local vi=v[i]
- k[i]={ height=vdelta*vi.height,kern=vdelta*vi.kern }
- end kerns.bottom_left=k end
- local v=mk.bottom_right if v then local k={} for i=1,#v do local vi=v[i]
- k[i]={ height=vdelta*vi.height,kern=vdelta*vi.kern }
- end kerns.bottom_right=k end
- chr.mathkern=kerns
+ local tr,tl,br,bl=mk.topright,mk.topleft,mk.bottomright,mk.bottomleft
+ chr.mathkern={
+ top_right=tr and mathkerns(tr,vdelta) or nil,
+ top_left=tl and mathkerns(tl,vdelta) or nil,
+ bottom_right=br and mathkerns(br,vdelta) or nil,
+ bottom_left=bl and mathkerns(bl,vdelta) or nil,
+ }
end
end
if hasitalics then
@@ -11953,6 +11959,13 @@ do
end
end
local reported={}
+ local function report_issue(i,what,sequence,kind)
+ local name=sequence.name
+ if not reported[name] then
+ report("rule %i in %s lookup %a has %s lookups",i,what,name,kind)
+ reported[name]=true
+ end
+ end
for i=lastsequence+1,nofsequences do
local sequence=sequences[i]
local steps=sequence.steps
@@ -11964,37 +11977,42 @@ do
local rule=rules[i]
local rlookups=rule.lookups
if not rlookups then
- local name=sequence.name
- if not reported[name] then
- report("rule %i in %s lookup %a has %s lookups",i,what,name,"no")
- reported[name]=true
- end
+ report_issue(i,what,sequence,"no")
elseif not next(rlookups) then
- local name=sequence.name
- if not reported[name] then
- report("rule %i in %s lookup %a has %s lookups",i,what,name,"empty")
- reported[name]=true
- end
+ report_issue(i,what,sequence,"empty")
rule.lookups=nil
else
for index,lookupid in sortedhash(rlookups) do
local h=sublookuphash[lookupid]
if not h then
- nofsublookups=nofsublookups+1
- local d=lookups[lookupid].done
- h={
- index=nofsublookups,
- name=f_lookupname(lookupprefix,"d",lookupid+lookupidoffset),
- derived=true,
- steps=d.steps,
- nofsteps=d.nofsteps,
- type=d.lookuptype,
- markclass=d.markclass or nil,
- flags=d.flags,
- }
- sublookuplist[nofsublookups]=h
- sublookuphash[lookupid]=nofsublookups
- sublookupcheck[lookupid]=1
+ local lookup=lookups[lookupid]
+ if lookup then
+ local d=lookup.done
+ if d then
+ nofsublookups=nofsublookups+1
+ h={
+ index=nofsublookups,
+ name=f_lookupname(lookupprefix,"d",lookupid+lookupidoffset),
+ derived=true,
+ steps=d.steps,
+ nofsteps=d.nofsteps,
+ type=d.lookuptype,
+ markclass=d.markclass or nil,
+ flags=d.flags,
+ }
+ sublookuplist[nofsublookups]=h
+ sublookuphash[lookupid]=nofsublookups
+ sublookupcheck[lookupid]=1
+ else
+ report_issue(i,what,sequence,"missing")
+ rule.lookups=nil
+ break
+ end
+ else
+ report_issue(i,what,sequence,"bad")
+ rule.lookups=nil
+ break
+ end
else
sublookupcheck[lookupid]=sublookupcheck[lookupid]+1
end
@@ -12335,7 +12353,13 @@ local function readmathglyphinfo(f,fontdata,offset)
local function get(offset)
setposition(f,kernoffset+offset)
local n=readushort(f)
- if n>0 then
+ if n==0 then
+ local k=readmathvalue(f)
+ if k==0 then
+ else
+ return { { kern=k } }
+ end
+ else
local l={}
for i=1,n do
l[i]={ height=readmathvalue(f) }
@@ -12371,10 +12395,10 @@ local function readmathglyphinfo(f,fontdata,offset)
if next(kernset) then
local glyph=glyphs[coverage[i]]
local math=glyph.math
- if not math then
- glyph.math={ kerns=kernset }
- else
+ if math then
math.kerns=kernset
+ else
+ glyph.math={ kerns=kernset }
end
end
end
@@ -14508,7 +14532,7 @@ local trace_defining=false registertracker("fonts.defining",function(v) trace_de
local report_otf=logs.reporter("fonts","otf loading")
local fonts=fonts
local otf=fonts.handlers.otf
-otf.version=3.020
+otf.version=3.021
otf.cache=containers.define("fonts","otl",otf.version,true)
local otfreaders=otf.readers
local hashes=fonts.hashes
@@ -16147,7 +16171,7 @@ local function inject_pairs_only(head,where)
end
local leftkern=i.leftkern
if leftkern and leftkern~=0 then
- insert_node_before(head,current,newkern(leftkern))
+ head=insert_node_before(head,current,newkern(leftkern))
end
local rightkern=i.rightkern
if rightkern and rightkern~=0 then
@@ -16808,10 +16832,19 @@ function injections.handler(head,where)
head=injectspaces(head)
end
if nofregisteredmarks>0 or nofregisteredcursives>0 then
+ if trace_injections then
+ report_injections("injection variant %a","everything")
+ end
return inject_everything(head,where)
elseif nofregisteredpairs>0 then
+ if trace_injections then
+ report_injections("injection variant %a","pairs")
+ end
return inject_pairs_only(head,where)
elseif nofregisteredkerns>0 then
+ if trace_injections then
+ report_injections("injection variant %a","kerns")
+ end
return inject_kerns_only(head,where)
else
return head,false
--
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