issue mixing font features (LMTX & MkIV)
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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? Many thanks for your help, Pablo
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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 ----------------------------------------------------------------- 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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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
participants (2)
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Hans Hagen
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Pablo Rodriguez