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authorKhaled Hosny <khaledhosny@eglug.org>2011-10-04 01:15:57 +0200
committerKhaled Hosny <khaledhosny@eglug.org>2011-10-04 01:36:18 +0200
commit479745e00677d933056cf25f1fc2e904a4b9c567 (patch)
treebf28ac58ae76cb55790008421a387be11b88409b /otfl-node-inj.lua
parentb59eb68344f3fce00c03ab075032561fe8a69950 (diff)
downloadluaotfload-479745e00677d933056cf25f1fc2e904a4b9c567.tar.gz
Sync with ContTeXt beta 2011.10.03 12:59
Does not run yet.
Diffstat (limited to 'otfl-node-inj.lua')
-rw-r--r--otfl-node-inj.lua62
1 files changed, 43 insertions, 19 deletions
diff --git a/otfl-node-inj.lua b/otfl-node-inj.lua
index bf6a609..7c91016 100644
--- a/otfl-node-inj.lua
+++ b/otfl-node-inj.lua
@@ -6,8 +6,6 @@ if not modules then modules = { } end modules ['node-inj'] = {
license = "see context related readme files"
}
--- tricky ... fonts.identifiers is not yet defined .. to be solved (maybe general tex ini)
-
-- This is very experimental (this will change when we have luatex > .50 and
-- a few pending thingies are available. Also, Idris needs to make a few more
-- test fonts. Btw, future versions of luatex will have extended glyph properties
@@ -21,14 +19,12 @@ local report_injections = logs.reporter("nodes","injections")
local attributes, nodes, node = attributes, nodes, node
-fonts = fonts or { }
-fonts.tfm = fonts.tfm or { }
-fonts.identifiers = fonts.identifiers or { }
+fonts = fonts
+local fontdata = fonts.hashes.identifiers
nodes.injections = nodes.injections or { }
local injections = nodes.injections
-local fontdata = fonts.identifiers
local nodecodes = nodes.nodecodes
local glyph_code = nodecodes.glyph
local nodepool = nodes.pool
@@ -38,6 +34,7 @@ local traverse_id = node.traverse_id
local unset_attribute = node.unset_attribute
local has_attribute = node.has_attribute
local set_attribute = node.set_attribute
+local copy_node = node.copy
local insert_node_before = node.insert_before
local insert_node_after = node.insert_after
@@ -48,6 +45,21 @@ local cursbase = attributes.private('cursbase')
local curscurs = attributes.private('curscurs')
local cursdone = attributes.private('cursdone')
local kernpair = attributes.private('kernpair')
+local fontkern = attributes.private('fontkern')
+
+if context then
+
+ local kern = nodes.pool.register(newkern())
+
+ set_attribute(kern,fontkern,1) -- we can have several, attributes are shared
+
+ newkern = function(k)
+ local c = copy_node(kern)
+ c.kern = k
+ return c
+ end
+
+end
local cursives = { }
local marks = { }
@@ -113,7 +125,7 @@ function injections.setmark(start,base,factor,rlmode,ba,ma,index) --ba=baseancho
set_attribute(start,markdone,index)
return dx, dy, bound
else
- report_injections("possible problem, U+%04X is base mark without data (id: %s)",base.char,bound)
+ report_injections("possible problem, U+%05X is base mark without data (id: %s)",base.char,bound)
end
end
index = index or 1
@@ -180,10 +192,11 @@ end
-- todo: reuse tables (i.e. no collection), but will be extra fields anyway
-- todo: check for attribute
+-- we can have a fast test on a font being processed, so we can check faster for marks etc
+
function injections.handler(head,where,keep)
local has_marks, has_cursives, has_kerns = next(marks), next(cursives), next(kerns)
if has_marks or has_cursives then
---~ if has_marks or has_cursives or has_kerns then
if trace_injections then
trace(head)
end
@@ -191,18 +204,19 @@ function injections.handler(head,where,keep)
local done, ky, rl, valid, cx, wx, mk, nofvalid = false, { }, { }, { }, { }, { }, { }, 0
if has_kerns then -- move outside loop
local nf, tm = nil, nil
- for n in traverse_id(glyph_code,head) do
+ for n in traverse_id(glyph_code,head) do -- only needed for relevant fonts
if n.subtype < 256 then
nofvalid = nofvalid + 1
valid[nofvalid] = n
if n.font ~= nf then
nf = n.font
- tm = fontdata[nf].marks
+ tm = fontdata[nf].resources.marks
+ end
+ if tm then
+ mk[n] = tm[n.char]
end
- mk[n] = tm[n.char]
local k = has_attribute(n,kernpair)
if k then
---~ unset_attribute(k,kernpair)
local kk = kerns[k]
if kk then
local x, y, w, h = kk[2] or 0, kk[3] or 0, kk[4] or 0, kk[5] or 0
@@ -226,9 +240,11 @@ function injections.handler(head,where,keep)
valid[nofvalid] = n
if n.font ~= nf then
nf = n.font
- tm = fontdata[nf].marks
+ tm = fontdata[nf].resources.marks
+ end
+ if tm then
+ mk[n] = tm[n.char]
end
- mk[n] = tm[n.char]
end
end
end
@@ -321,13 +337,21 @@ function injections.handler(head,where,keep)
local d = mrks[index]
if d then
local rlmode = d[3]
- if rlmode and rlmode > 0 then
- -- new per 2010-10-06
+ if rlmode and rlmode >= 0 then
+ -- new per 2010-10-06, width adapted per 2010-02-03
+ -- we used to negate the width of marks because in tfm
+ -- that makes sense but we no longer do that so as a
+ -- consequence the sign of p.width was changed (we need
+ -- to keep an eye on it as we don't have that many fonts
+ -- that enter this branch .. i'm still not sure if this
+ -- one is right
local k = wx[p]
- if k then -- maybe (d[1] - p.width) and/or + k[2]
- n.xoffset = p.xoffset - (p.width - d[1]) - k[2]
+ if k then
+ n.xoffset = p.xoffset + p.width + d[1] - k[2]
else
- n.xoffset = p.xoffset - (p.width - d[1])
+ -- n.xoffset = p.xoffset + p.width + d[1]
+ -- lucida U\char"032F (default+mark)
+ n.xoffset = p.xoffset - p.width + d[1] -- 01-05-2011
end
else
local k = wx[p]