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path: root/src/fontloader/misc/fontloader-fonts-cbk.lua
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Diffstat (limited to 'src/fontloader/misc/fontloader-fonts-cbk.lua')
-rw-r--r--src/fontloader/misc/fontloader-fonts-cbk.lua53
1 files changed, 43 insertions, 10 deletions
diff --git a/src/fontloader/misc/fontloader-fonts-cbk.lua b/src/fontloader/misc/fontloader-fonts-cbk.lua
index 8632701..965b968 100644
--- a/src/fontloader/misc/fontloader-fonts-cbk.lua
+++ b/src/fontloader/misc/fontloader-fonts-cbk.lua
@@ -18,21 +18,28 @@ local nodes = nodes
local traverse_id = node.traverse_id
local glyph_code = nodes.nodecodes.glyph
+local disc_code = nodes.nodecodes.disc
-- from now on we apply ligaturing and kerning here because it might interfere with complex
-- opentype discretionary handling where the base ligature pass expect some weird extra
-- pointers (which then confuse the tail slider that has some checking built in)
-local ligaturing = node.ligaturing
-local kerning = node.kerning
+local ligaturing = node.ligaturing
+local kerning = node.kerning
-function node.ligaturing() texio.write_nl("warning: node.ligaturing is already applied") end
-function node.kerning () texio.write_nl("warning: node.kerning is already applied") end
+local basepass = true
+
+function nodes.handlers.setbasepass(v)
+ basepass = v
+end
function nodes.handlers.characters(head)
local fontdata = fonts.hashes.identifiers
if fontdata then
- local usedfonts, basefonts, prevfont, basefont = { }, { }, nil, nil
+ local usedfonts = { }
+ local basefonts = { }
+ local prevfont = nil
+ local basefont = nil
for n in traverse_id(glyph_code,head) do
local font = n.font
if font ~= prevfont then
@@ -49,7 +56,7 @@ function nodes.handlers.characters(head)
local processors = shared.processes
if processors and #processors > 0 then
usedfonts[font] = processors
- else
+ elseif basepass then
basefont = { n, nil }
basefonts[#basefonts+1] = basefont
end
@@ -58,6 +65,30 @@ function nodes.handlers.characters(head)
end
end
end
+ for d in traverse_id(disc_code,head) do
+ local r = d.replace
+ if r then
+ for n in traverse_id(glyph_code,r) do
+ local font = n.font
+ if font ~= prevfont then
+ prevfont = font
+ local used = usedfonts[font]
+ if not used then
+ local tfmdata = fontdata[font] --
+ if tfmdata then
+ local shared = tfmdata.shared -- we need to check shared, only when same features
+ if shared then
+ local processors = shared.processes
+ if processors and #processors > 0 then
+ usedfonts[font] = processors
+ end
+ end
+ end
+ end
+ end
+ end
+ end
+ end
if next(usedfonts) then
for font, processors in next, usedfonts do
for i=1,#processors do
@@ -65,7 +96,7 @@ function nodes.handlers.characters(head)
end
end
end
- if #basefonts > 0 then
+ if basepass and #basefonts > 0 then
for i=1,#basefonts do
local range = basefonts[i]
local start, stop = range[1], range[2]
@@ -85,11 +116,13 @@ function nodes.handlers.characters(head)
end
function nodes.simple_font_handler(head)
--- lang.hyphenate(head)
+ -- lang.hyphenate(head)
head = nodes.handlers.characters(head)
nodes.injections.handler(head)
+ if not basepass then
+ head = ligaturing(head)
+ head = kerning(head)
+ end
nodes.handlers.protectglyphs(head)
- -- head = node.ligaturing(head)
- -- head = node.kerning(head)
return head
end