Re: [NTG-context] space in \longrightarrow in lucida (mkiv)
On Sat, Dec 4, 2010 at 19:38, Hans Hagen wrote:
>
> In lucida-math.lfg there is now:
>
> variables = {
> joinrelfactor = 4, -- default is 3
> }
>
> and when set that variable will be used in composing the virtual glyph (the
> default is 3). So, no complex defs are needed. Maybe there are more
> relevant variables.
Great, thanks a lot, Hans! This is exactly what I wanted to suggest
(as it avoids complex situations with multiple definitions).
Mojca
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Re: [NTG-context] space in \longrightarrow in lucida (mkiv)
On 3-12-2010 2:47, Herbert Voss wrote:
Am 03.12.2010 12:21, schrieb Mojca Miklavec:
IIRC, the original definitions are from plain.tex and amstex.tex.
plain.tex says:
\def\joinrel{\mathrel{\mkern-3mu}}
So I guess that \joinrel indeed needs to be defined on per-font basis
instead of being hardcoded into definitions.
the macro \loadfontgoodies in font-gds.mkiv should be extended
to something like
\def\loadfontgoodies[#1]%
{\ctxlua{fonts.goodies.get("#1")}%
\InputIfExists #1.tex%
}
which already load a lucida-math.ldf (lua code)
and then an optional lucida-math.tex (tex code)
don't know how ConTeXt can handle the \InputIfExists
The file lucida-math.tex in /context/fonts/
gets all font specific redefinitions, in this case
\def\joinrel{\mkern-4mu}
\def\longrightarrow{\relbar\joinrel\rightarrow}
\def\longleftarrow{\leftarrow\joinrel\relbar}
sich files are then possible for all other fonts
In lucida-math.lfg there is now:
variables = {
joinrelfactor = 4, -- default is 3
}
and when set that variable will be used in composing the virtual glyph
(the default is 3). So, no complex defs are needed. Maybe there are
more relevant variables.
Hans
-
Hans Hagen | PRAGMA ADE
Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com
| www.pragma-pod.nl
-
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Re: [NTG-context] space in \longrightarrow in lucida (mkiv)
On 3-12-2010 2:47, Herbert Voss wrote:
Am 03.12.2010 12:21, schrieb Mojca Miklavec:
IIRC, the original definitions are from plain.tex and amstex.tex.
plain.tex says:
\def\joinrel{\mathrel{\mkern-3mu}}
So I guess that \joinrel indeed needs to be defined on per-font basis
instead of being hardcoded into definitions.
the macro \loadfontgoodies in font-gds.mkiv should be extended
to something like
\def\loadfontgoodies[#1]%
{\ctxlua{fonts.goodies.get("#1")}%
\InputIfExists #1.tex%
}
which already load a lucida-math.ldf (lua code)
and then an optional lucida-math.tex (tex code)
don't know how ConTeXt can handle the \InputIfExists
The file lucida-math.tex in /context/fonts/
gets all font specific redefinitions, in this case
\def\joinrel{\mkern-4mu}
\def\longrightarrow{\relbar\joinrel\rightarrow}
\def\longleftarrow{\leftarrow\joinrel\relbar}
sich files are then possible for all other fonts
in mkii we had math vectors and one could have many different vectors
active at the same time (so, lucida alongside lm and others); in mkiv we
assume unicode math
I can probably make something for mkiv but the question is: is it worth
the trouble and complication. Eventually all these math fonts will be
open type anyway.
Hans
-
Hans Hagen | PRAGMA ADE
Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com
| www.pragma-pod.nl
-
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Re: [NTG-context] space in \longrightarrow in lucida (mkiv)
Am 03.12.2010 12:21, schrieb Mojca Miklavec:
>> IIRC, the original definitions are from plain.tex and amstex.tex.
>
> plain.tex says:
> \def\joinrel{\mathrel{\mkern-3mu}}
>
> So I guess that \joinrel indeed needs to be defined on per-font basis
> instead of being hardcoded into definitions.
the macro \loadfontgoodies in font-gds.mkiv should be extended
to something like
\def\loadfontgoodies[#1]%
{\ctxlua{fonts.goodies.get("#1")}%
\InputIfExists #1.tex%
}
which already load a lucida-math.ldf (lua code)
and then an optional lucida-math.tex (tex code)
don't know how ConTeXt can handle the \InputIfExists
The file lucida-math.tex in /context/fonts/
gets all font specific redefinitions, in this case
\def\joinrel{\mkern-4mu}
\def\longrightarrow{\relbar\joinrel\rightarrow}
\def\longleftarrow{\leftarrow\joinrel\relbar}
...
sich files are then possible for all other fonts
Herbert
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Re: [NTG-context] space in \longrightarrow in lucida (mkiv)
On Fri, Dec 3, 2010 at 11:42, Mojca Miklavec wrote: > > Hans, > > this issues is not fixed. I assume that jointwo(...) function is used > to create the longrightarrow and maybe that one doesn't get the > spacing right. This fixes the problem indeed: jointwo (main,characters,id,size,0x27F6,0x0002D,4,0x02192) (line 332 in math-vfu.lua). It seems that joinrel is hardcoded to the value 3 in many places apart from this particular one. Maybe you need to introduce a new lua variable somewhere inside function vfmath.alas(main,id,size)? Thanks, Mojca ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___
Re: [NTG-context] space in \longrightarrow in lucida (mkiv)
On Tue, Nov 30, 2010 at 19:16, Hans Hagen wrote:
> On 30-11-2010 6:23, Herbert Voss wrote:
>>
>> in mkii \joinrel is \mkern-4mu in mkiv only \mkern-3mu
>>
>>
>> \setupbodyfont[lucida]
>> \def\longrightarrow{\relbar\mkern-4mu\rightarrow}
>>
>> \starttext
>> $\longrightarrow$
>> \stoptext
>
> ok, will be fixed
Hans,
this issues is not fixed. I assume that jointwo(...) function is used
to create the longrightarrow and maybe that one doesn't get the
spacing right.
Thanks,
Mojca
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Re: [NTG-context] space in \longrightarrow in lucida (mkiv)
On 30-11-2010 6:23, Herbert Voss wrote:
Am 30.11.2010 17:54, schrieb Mojca Miklavec:
\setupbodyfont[lucida]
\starttext
$\longrightarrow$
\stoptext
The arrow has white space in the middle.
in mkii \joinrel is \mkern-4mu in mkiv only \mkern-3mu
\setupbodyfont[lucida]
\def\longrightarrow{\relbar\mkern-4mu\rightarrow}
\starttext
$\longrightarrow$
\stoptext
ok, will be fixed
-
Hans Hagen | PRAGMA ADE
Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com
| www.pragma-pod.nl
-
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Re: [NTG-context] space in \longrightarrow in lucida (mkiv)
Am 30.11.2010 17:54, schrieb Mojca Miklavec:
> \setupbodyfont[lucida]
>
> \starttext
> $\longrightarrow$
> \stoptext
>
> The arrow has white space in the middle.
in mkii \joinrel is \mkern-4mu in mkiv only \mkern-3mu
\setupbodyfont[lucida]
\def\longrightarrow{\relbar\mkern-4mu\rightarrow}
\starttext
$\longrightarrow$
\stoptext
Herbert
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[NTG-context] space in \longrightarrow in lucida (mkiv)
Dear Hans, maybe my request comes a bit late, but nevertheless - how difficult is it to fix \longrightarrow in MKIV in Lucida font? (In MKII it works fine.) \setupbodyfont[lucida] \starttext $\longrightarrow$ \stoptext The arrow has white space in the middle. Thanks a lot, Mojca ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___
