From: Hans Hagen <pragma@wxs.nl>
To: ntg-context@ntg.nl
Subject: Re: generic font loader + luaotfload: 'nodepool' (a nil value)"
Date: Fri, 14 Jul 2017 20:56:15 +0200 [thread overview]
Message-ID: <6684df54-8bcc-9d1a-3098-258dbfa4df8f@wxs.nl> (raw)
In-Reply-To: <1x74kam8jrcww$.dlg@nililand.de>
On 7/14/2017 8:26 PM, Ulrike Fischer wrote:
> Am Fri, 14 Jul 2017 19:20:38 +0200 schrieb Hans Hagen:
>
>>>
>>> local kern_injector = function (fillup, kern)
>>> if fillup then
>>> local g = new_glue(kern)
>>> local s = getfield(g, "spec")
>>> setfield(s, "stretch", kern)
>>> setfield(s, "stretch_order", 1)
>>> return g
>>> end
>>> return new_kern(kern)
>>> end
>>
>> yes, i decided to limit the dependencies ... (also because the kern
>> allocator was a plug outside context)
>>
>> you can use:
>>
>> local new = node.direct.new
>>
>> local g = new("glue")
>> setfield(g, "stretch", kern)
>> setfield(g, "stretch_order", 1)
>
> And what I should do about the "return new_kern(kern)"?
local g = new("kern")
setfield(g,"kern",kern)
> I tried various variants and got results from no letterspacing to
> "invalid node type id" to " This can't happen (invalid node found in
> discretionary)." to a luatex crash:
you can't put glue in discs so your letterspacing code should use kerns,
not glue
> -- UF changed 2017-07-14
> local new = node.direct.new
>
> local kern_injector = function (fillup, kern)
> if fillup then
> local g = new("glue")
> setfield(g, "stretch", kern)
> setfield(g, "stretch_order", 1)
> return g
> end
> --return new_kern(kern) --??
> --
> end
> --
>
>
--
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next prev parent reply other threads:[~2017-07-14 18:56 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-14 14:39 Ulrike Fischer
2017-07-14 17:20 ` Hans Hagen
2017-07-14 18:26 ` Ulrike Fischer
2017-07-14 18:56 ` Hans Hagen [this message]
2017-07-14 22:56 ` Ulrike Fischer
2017-07-15 7:50 ` Hans Hagen
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