[NTG-context] \externalfigure problem with displaying external images via https://live.contextgarden.net

2022-12-04 Thread Jaroslav Hajtmar via ntg-context

Hello.
A few years ago I created a PHP application for printing filled forms with PDF 
background. PHP application is generating ConTeXt source code, that is 
subsequently translated using the online application 
https://live.contextgarden.net.
I have now discovered that the application is not functional because the 
https://live.contextgarden.net application is unable to retrieve the external 
PDF file from our organization's URL.

Oddly, this source code at https://live.contextgarden.net does not generate a 
PDF file with the form in the background:

\starttext
 
\externalfigure[http://gyza.cz/iapp/opisvysv/498540_SS_16_predmetu_str1_PDF.pdf]
 % PDF FILE ON OUR ORGANIZATION (SCHOOL) HOSTING
\stoptext

This is despite the fact that the PDF file exists at the URL and the browser is 
able to display it.

On the other side the source code:

\starttext
\externalfigure[http://hajtmar.cz/iapp/opisvysv/498540_SS_16_predmetu_str1_PDF.pdf]
 % PDF FILE ON MY PRIVAT HOSTING
\stoptext

or source code:
 
\starttext
 \externalfigure[http://www.pragma-ade.nl/show-gra.pdf] % PDF FILE ON 
PRAGMA-ADE.NL WEB
\stoptext


without any problems will generate a correct PDF file.

Does anyone know what the problem might be? Why online ConTeXt is not read my 
PDF file and on other side read another PDF file? What does onlineConText not 
like?
I need to get my application for printing archive certificates working again...

Thanks.
Jaroslav


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[NTG-context] How to display the pages of a particular section in another PDF?

2022-12-04 Thread Joel via ntg-context
I can use this code to display page 5 from a 
PDF:\externalfigure[filename.pdf][page=5]I am making a teacher's guide for a 
workbook (workbook.pdf). I need to be able to display on the page all pages of 
a particular section.
The teacher's guide uses the same section titles as the workbook, e.g.:
17-A: Title
17-B: Title

In other words, there is 1:1 pairing of section titles in the teacher's guide 
and the workbook.

Is there any way to tell ConTeXt to display all of the pages for a particular 
section?
\externalfigure[filename.pdf][section=17A]
--Joel
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Re: [NTG-context] two issues with variable fonts

2022-12-04 Thread Henning Hraban Ramm via ntg-context

Am 04.12.22 um 11:53 schrieb Hans Hagen via ntg-context:
the fact that some were not processed relates to a 'fix' of a while back 
... also keep in mind that the variable font code was written long ago 
when there were only a handful of experimental (and often somewhat 
buggy) fonts around showing off the new tricks .. since then there has 
not been much interest in variables fonts from the perspective of tex


An increasing number of fonts in the Google repository is (becoming) 
variable. So far, I only used the additionally provided fixed versions...


Hraban

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Re: [NTG-context] issue with OT feature in LMTX

2022-12-04 Thread Pablo Rodriguez via ntg-context
On 12/4/22 13:34, Hans Hagen via ntg-context wrote:
> On 12/3/2022 2:04 PM, Pablo Rodriguez via ntg-context wrote:
>> [...]
>> Am I missing something or have I hit a bug in LMTX?
> more a bug in your approach: you specify a range where you also 
> overwrite private slots (that happen to be used for caps)  .. at t he 
> cost of runtime i'll add a check against overwriting these

Many thanks for the fix, Hans.

Pablo
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Re: [NTG-context] two issues with variable fonts

2022-12-04 Thread Pablo Rodriguez via ntg-context
On 12/4/22 11:53, Hans Hagen via ntg-context wrote:
>> [...]
> i'll check if we can deal with tags instead of names as not all fonts 
> have nice names for the axis defined (which might be why one ends up 
> with all these predefined instances)

Many thanks for your reply, Hans.

Tags instead of names seems more consistent to me. At least when
comparing it with OpenType features. And I think that "optical size" was
the first key I see containing a space.

Many thank sfor your help,

Pablo

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Re: [NTG-context] issue with OT feature in LMTX

2022-12-04 Thread Hans Hagen via ntg-context

On 12/3/2022 2:04 PM, Pablo Rodriguez via ntg-context wrote:

Dear list,

I have the following sample (using current latest from 2022.12.01 13:05):

   \definefallbackfamily[mainface][rm][Noto Emoji]
 [range={0x1F004-0xFE837}, force=yes]
   \definefontfamily[mainface][rm][TeX Gyre Pagella]
   \setupbodyfont[mainface]

   \definestructureconversionset
   [sectionnumbers]
   [0,n,Characters,g,n]
   [n]

   \definefontfeature[section]
 [smcp=yes,
  c2sc=yes]

   \setupheads[sectionconversionset=sectionnumbers]

   \setuphead[section][style={\feature[+][section]}]

   \starttext
   \section{Just text}
   {\feature[+][section]Just text}
   \stoptext

LMTX outputs no small caps and it fallbacks to Noto Emoji. LuaTeX gives
the right output.

Am I missing something or have I hit a bug in LMTX?
more a bug in your approach: you specify a range where you also 
overwrite private slots (that happen to be used for caps)  .. at t he 
cost of runtime i'll add a check against overwriting these


Hans


-
  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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Re: [NTG-context] two issues with variable fonts

2022-12-04 Thread Hans Hagen via ntg-context

On 12/3/2022 10:29 AM, Pablo Rodriguez via ntg-context wrote:

On 12/3/22 01:01, Hans Hagen via ntg-context wrote:

On 12/2/2022 8:17 PM, Hans Hagen via ntg-context wrote:


Also in the last instances (at least, pages 19 to 25), kerning or
interletter spacing clearly needs to be improved.

no clue (ok, a little)

sort of fixed but no upload yet (probably next week)


Many thanks for all your fixes, Hans.

BTW, using https://github.com/googlefonts/amstelvar/tree/main/fonts with
the following source:

   \usemodule[fonts-variable]
   \starttext
 \showfontvariations[font=file:Amstelvar-Roman.ttf]
 \showfontvariations[font=file:Amstelvar-Italic.ttf]
   \stoptext

Font is missing in instances from pages 4, 8-11 (regular font) and 21-23
(italic font).

Glyphs seem wrong on pages 12-13 (regular font) and interletter spacing
is clearly not right in the instance from pages 24-25.

I don’t know whether this has already been fixed with your improvements
yesterday.
the fact that some were not processed relates to a 'fix' of a while back 
... also keep in mind that the variable font code was written long ago 
when there were only a handful of experimental (and often somewhat 
buggy) fonts around showing off the new tricks .. since then there has 
not been much interest in variables fonts from the perspective of tex


assuming that i can motivate myself (read: the fonts look nice) i can 
probably sort out all the side effects


i'll check if we can deal with tags instead of names as not all fonts 
have nice names for the axis defined (which might be why one ends up 
with all these predefined instances)


Hans


-
  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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