From: Hans Hagen via ntg-context <ntg-context@ntg.nl>
To: ntg-context@ntg.nl
Cc: Hans Hagen <j.hagen@freedom.nl>
Subject: Re: [NTG-context] Noto Emoji COLRv1
Date: Wed, 24 May 2023 09:05:06 +0200 [thread overview]
Message-ID: <0f833c40-14bc-4077-5838-f187e93d65ba@freedom.nl> (raw)
In-Reply-To: <62392038191a07c1e4a58ab90d3d104d91517bb8.camel@telus.net>
On 5/23/2023 11:31 PM, Max Chernoff via ntg-context wrote:
> Hi Hans,
>
> I tried using the code from [1] for Noto Emoji in COLRv1 format [2]:
>
> \startTEXpage
> \definefontfeature[colored][default][colr=9]
> \definedfont[Noto-COLRv1.ttf*colored] 🦆 % U+1F986
> \stopTEXpage
>
> but ConTeXt gives the following error:
>
> fonts > otf loading > loading 'Noto-COLRv1.ttf', hash 'noto-colrv1'
> otf reader > table version 1 of 'colr' is partially supported for font Noto-COLRv1.ttf
> otf reader > unsupported colr type 2 paint format 0
> otf reader > unsupported colr type 2 paint format %i
> otf reader > fatal error in file 'Noto-COLRv1.ttf': ...ext/tex/texmf-context/tex/context/base/mkxl/font-dsp.lmt:3575: table index is nil
> stack traceback:
> ...ext/tex/texmf-context/tex/context/base/mkiv/font-otr.lua:2344: in metamethod 'newindex'
> ...ext/tex/texmf-context/tex/context/base/mkxl/font-dsp.lmt:3575: in metamethod 'index'
> ...ext/tex/texmf-context/tex/context/base/mkxl/font-dsp.lmt:3677: in metamethod 'index'
> ...ext/tex/texmf-context/tex/context/base/mkxl/font-dsp.lmt:3150: in upvalue 'getpaintoffset'
> ...ext/tex/texmf-context/tex/context/base/mkxl/font-dsp.lmt:3564: in field '?'
> ...ext/tex/texmf-context/tex/context/base/mkxl/font-dsp.lmt:3677: in metamethod 'index'
> ...ext/tex/texmf-context/tex/context/base/mkxl/font-dsp.lmt:3685: in local 'reader'
> ...ext/tex/texmf-context/tex/context/base/mkiv/font-otr.lua:2089: in upvalue 'readtable'
> ...ext/tex/texmf-context/tex/context/base/mkiv/font-otr.lua:2204: in upvalue 'readdata'
> ...ext/tex/texmf-context/tex/context/base/mkiv/font-otr.lua:2257: in function <...ext/tex/texmf-context/tex/context/base/mkiv/font-otr.lua:2240>
> [C]: in function 'xpcall'
> ...ext/tex/texmf-context/tex/context/base/mkiv/font-otr.lua:2346: in upvalue 'loadfont'
> ...ext/tex/texmf-context/tex/context/base/mkiv/font-otr.lua:2401: in field 'loadfont'
> ...ext/tex/texmf-context/tex/context/base/mkxl/font-otl.lmt:160: in field 'load'
> ...ext/tex/texmf-context/tex/context/base/mkxl/font-otl.lmt:624: in upvalue 'otftotfm'
> ...ext/tex/texmf-context/tex/context/base/mkxl/font-otl.lmt:652: in function <...ext/tex/texmf-context/tex/context/base/mkxl/font-otl.lmt:651>
> (...tail calls...)
> ...ext/tex/texmf-context/tex/context/base/mkxl/font-def.lmt:362: in function <...ext/tex/texmf-context/tex/context/base/mkxl/font-def.lmt:350>
> (...tail calls...)
> ...ext/tex/texmf-context/tex/context/base/mkxl/font-def.lmt:465: in field 'read'
> ...ext/tex/texmf-context/tex/context/base/mkxl/font-ctx.lmt:1371: in function <...ext/tex/texmf-context/tex/context/base/mkxl/font-ctx.lmt:1228>
> (...tail calls...)
> fonts > otf loading > loading failed due to read error
> fonts > defining > forced type 'ttf' of 'Noto-COLRv1' not found
> fonts > defining > unable to define 'Noto-COLRv1.ttf' as 'thedefinedfont--0'
> system > print height forced to paper height
> system > print width forced to paper width
> fonts > checking > char 🦆 (U+1F986) in font 'LMRoman10-Regular' with id 1: missing
>
> From what I can tell, the Lua code is trying to read past the end of
> font file. I tried debugging the error further, but this is well beyond
> my understanding.
>
> (Also, paintreaders[6--11] in font-dsp.lmt are missing "offset" in the
> function signature, and paintreaders itself is glboal. Maybe related?)
>
> I'm using the current latest (2023.05.08 17:39).
i'll check it but as usuel with these new things in fonts, one depends
on fonts for testing so all that goes stepwise (as - hopefully correct -
fonts come available)
Hans
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prev parent reply other threads:[~2023-05-24 7:08 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-23 21:31 Max Chernoff via ntg-context
2023-05-24 7:05 ` Hans Hagen via ntg-context [this message]
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