Re: [NTG-context] change width of a character with fonts.handlers.otf.addfeature
On 5/19/2017 5:29 PM, Ulrike Fischer wrote:
Am Fri, 19 May 2017 14:11:42 +0200 schrieb Hans Hagen:
Thanks. Let's hope that luaotfload catch up and gets it too.
i suppose that it does catch up (not sure about the frequency, also
because after the current we now enter beta again)
Currently it lags a bit behind.
ok, so you could test with the latest beta when available (i think you
did that before so it's doable)
Did you saw the error message caused by the ccmp-feature
(https://github.com/lualatex/luaotfload/issues/412)? Does it affect
i don't follow all those lists
The original question was on the luatex list on 10. May ("Combining
diacritics in some fonts: "(linebreak): invalid list tail, probably
missing glue""). I then converted it to an issue for luaotfload.
ok, i don't follow such macro package specific issues (i don't have tex
live installed and would not know where to look / how to zoom in anyway)
.. normally someone comes up with a generic example
context too or has it been resolved in its fontloader?
i don't know ... i need a pure context example in order to check,
I tried to make one but didn't manage to reproduce the error --
perhaps because the problem doesn't exist in context or perhaps
because I didn't manage to reproduce/add the needed hyphenation
patterns.
if it relates to patterns, then using \discretionary{}{}{} with
something in it should also fail .. maybe it eventually becomes some
disc node at the end of a list (can depend on the font)
-
Hans Hagen | PRAGMA ADE
Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
-
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Re: [NTG-context] change width of a character with fonts.handlers.otf.addfeature
Am Fri, 19 May 2017 14:11:42 +0200 schrieb Hans Hagen:
>> Thanks. Let's hope that luaotfload catch up and gets it too.
> i suppose that it does catch up (not sure about the frequency, also
> because after the current we now enter beta again)
Currently it lags a bit behind.
>> Did you saw the error message caused by the ccmp-feature
>> (https://github.com/lualatex/luaotfload/issues/412)? Does it affect
> i don't follow all those lists
The original question was on the luatex list on 10. May ("Combining
diacritics in some fonts: "(linebreak): invalid list tail, probably
missing glue""). I then converted it to an issue for luaotfload.
>> context too or has it been resolved in its fontloader?
> i don't know ... i need a pure context example in order to check,
I tried to make one but didn't manage to reproduce the error --
perhaps because the problem doesn't exist in context or perhaps
because I didn't manage to reproduce/add the needed hyphenation
patterns.
--
Ulrike Fischer
http://www.troubleshooting-tex.de/
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Re: [NTG-context] change width of a character with fonts.handlers.otf.addfeature
On 5/19/2017 11:25 AM, Ulrike Fischer wrote:
Am Fri, 19 May 2017 11:05:58 +0200 schrieb Hans Hagen:
I'll add support for 'single' to user features:
\startluacode
fonts.handlers.otf.addfeature {
name = "stest",
type = "single",
data = {
a = { -30, 0, -50, 0 },
}
}
\stopluacode
Thanks. Let's hope that luaotfload catch up and gets it too.
i suppose that it does catch up (not sure about the frequency, also
because after the current we now enter beta again)
Did you saw the error message caused by the ccmp-feature
(https://github.com/lualatex/luaotfload/issues/412)? Does it affect
i don't follow all those lists
context too or has it been resolved in its fontloader?
i don't know ... i need a pure context example in order to check, maybe
some discretionary thing
Hans
-
Hans Hagen | PRAGMA ADE
Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
-
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Re: [NTG-context] change width of a character with fonts.handlers.otf.addfeature
Am Fri, 19 May 2017 11:05:58 +0200 schrieb Hans Hagen:
> I'll add support for 'single' to user features:
>
> \startluacode
> fonts.handlers.otf.addfeature {
> name = "stest",
> type = "single",
> data = {
> a = { -30, 0, -50, 0 },
> }
> }
> \stopluacode
Thanks. Let's hope that luaotfload catch up and gets it too.
Did you saw the error message caused by the ccmp-feature
(https://github.com/lualatex/luaotfload/issues/412)? Does it affect
context too or has it been resolved in its fontloader?
--
Ulrike Fischer
http://www.troubleshooting-tex.de/
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Re: [NTG-context] change width of a character with fonts.handlers.otf.addfeature
On 5/19/2017 9:34 AM, Ulrike Fischer wrote:
In extensions-001.tex
(http://minimals.metatex.org/current/context/test/doc/context/tests/mkiv/fonts/extensions-001.tex)
there is an example how to add or change the kern between two chars:
fonts.handlers.otf.addfeature {
name = "ktest",
type = "kern",
data = {
a = { b = -500 },
}
}
Can this be used to implement also a "Single adjustment positioning"
which would effectivly change the width of character?
(http://www.adobe.com/devnet/opentype/afdko/topic_feature_file_syntax.html#6.a)
(I tried a few probable variants but got either errors or no effect
at all).
I'll add support for 'single' to user features:
\startluacode
fonts.handlers.otf.addfeature {
name = "stest",
type = "single",
data = {
a = { -30, 0, -50, 0 },
}
}
\stopluacode
\definefontfeature[whatever][default][stest=yes]
\starttext
\definedfont[Serif*whatever] \vl a\vl
\stoptext
-
Hans Hagen | PRAGMA ADE
Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
-
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[NTG-context] change width of a character with fonts.handlers.otf.addfeature
In extensions-001.tex
(http://minimals.metatex.org/current/context/test/doc/context/tests/mkiv/fonts/extensions-001.tex)
there is an example how to add or change the kern between two chars:
fonts.handlers.otf.addfeature {
name = "ktest",
type = "kern",
data = {
a = { b = -500 },
}
}
Can this be used to implement also a "Single adjustment positioning"
which would effectivly change the width of character?
(http://www.adobe.com/devnet/opentype/afdko/topic_feature_file_syntax.html#6.a)
(I tried a few probable variants but got either errors or no effect
at all).
--
Ulrike Fischer
http://www.troubleshooting-tex.de/
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