[NTG-context] Re: issue mixing font features (LMTX & MkIV)

2024-03-05 Thread Pablo Rodriguez via ntg-context
On 3/4/24 11:09, Hans Hagen via ntg-context wrote:
> [...]
> in luametatex we have a bit more advanced mechanism (also relates to
> compact mode) because th eengine is a bit more clever
>
> just make sure that you don't add up features where one calcels the
> other, so use for instance:

Many thanks for the explanation and the fix, Hans.

It seems that the engine is becoming too smart for me .

Pablo
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[NTG-context] Re: issue mixing font features (LMTX & MkIV)

2024-03-04 Thread Hans Hagen via ntg-context

On 3/3/2024 11:54 AM, Pablo Rodriguez via ntg-context wrote:

Dear list,

I have the following sample:

   \definefontfeature[wider][extend=2]

   \definefontfamily[mainface][rm][TeX Gyre Pagella]
 [features={default, quality, wider},
  it={style: regular, features:{default, slanted, quality}},
  bf={style: regular, features:{default, boldened-30}},
  bi={style: regular, features:{default, boldened-30, slanted}}]

   \setupbodyfont
 [mainface, 30pt]

   \starttext
   \startTEXpage[offset=1ex]
   a
   {\it a}\\
   {\bf a}
   {\bi a}
   \stopTEXpage
   \stoptext

With current latest (2024.02.27 09:21), LuaTeX gets boldened and slanted
for regular (but the other fonts cannot inherit the wider feature and
wider will not mix with boldened-30 [even when specified]).

For some reason, LMTX from current latest cannot get slanted and
boldened-30 (but it mixes the inherited wider feature in all fonts).

This began to behave differently in latest from 2024.01.08 11:23 (which
is my next version after the one from 2023.09.26 18:19).

Could anyone confirm the issue?
accumulating these effects is dependent on how the features that you use 
are defined


in luametatex we have a bit more advanced mechanism (also relates to 
compact mode) because th eengine is a bit more clever


just make sure that you don't add up features where one calcels the 
other, so use for instance:


\definefontfeature[wide] [extend=2]
\definefontfeature[wideslant][extend=2,slant=.2]
\definefontfeature[widebold] [extend=2,weight=.1]
\definefontfeature[wideboldslant][extend=2,weight=.1,slant=.2]

\definefontfamily[mainface][rm][TeX Gyre Pagella]
  [tf={style:regular,features:{default,quality,wide}},
   it={style:regular,features:{default,quality,wideslant}},
   bf={style:regular,features:{default,quality,widebold}},
   bi={style:regular,features:{default,quality,wideboldslant}}]

\setupbodyfont
  [mainface,30pt]

\starttext
\startTEXpage[offset=1ex]
a
{\it a}
{\bf a}
{\bi a}
\stopTEXpage
\stoptext



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  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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