[NTG-context] Re: Number in a circle

[Bruce Horrocks]

> On 4 Jun 2024, at 19:00, Kip Warner  wrote:
> 
> On Tue, 2024-06-04 at 18:19 +0100, Bruce Horrocks wrote:
>> 1) I installed Ubuntu 14.04 It comes with context pre-installed but
>> it's broken.
> 
> Hey Bruce. Just an FYI, but Trusty Tahr (14.04) is over a decade old.

Typo - 24.04 (phew!)

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Hampshire, UK

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[NTG-context] Re: Number in a circle

[Kip Warner]

On Tue, 2024-06-04 at 18:19 +0100, Bruce Horrocks wrote:
> 1) I installed Ubuntu 14.04 It comes with context pre-installed but
> it's broken.

Hey Bruce. Just an FYI, but Trusty Tahr (14.04) is over a decade old.

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[NTG-context] Re: Number in a circle

[Bruce Horrocks]

> On 1 Jun 2024, at 01:48, Bruce Horrocks  wrote:
> 
> I'm not sure there is a need to do any more than Adam Reviczky is already 
> doing. When I find a bit of time I'll install a Ubuntu 24.04 into a VM and 
> see what version of Context is installed, likewise Debian.


TL;DR: OMG! I thought Ubuntu was supposed to be Linux made easy?

1) I installed Ubuntu 14.04 It comes with context pre-installed but it's broken.

bruce@bruce-VMware-Virtual-Platform:-$ which context
/usr/bin/context

bruce@bruce-VMware-Virtual-Platform:~$ context --version
mtxrun  | unknown script 'mtx-context.lua' or 'mtx-mtx-context.lua'


2) I removed the pre-installed context, added the reviczky PPA from 
launchpad.net as an alternative package source and re-installed.

bruce@bruce-VMware-Virtual-Platform:~$ sudo apt remove context
[output snipped]

bruce@bruce-VMware-Virtual-Platform:-$ sudo add-apt-repository ppa:reviczky
[output snipped]

bruce@bruce-VMware-Virtual-Platform:-$ sudo apt install context
[output snipped]

bruce@bruce-VMware-Virtual-Platform:~$ context --version
mtx-context | ConTeXt Process Management 1.04
mtx-context |
mtx-context | main context file: 
/usr/share/texmf/tex/context/base/mkiv/context.mkiv
mtx-context | current version: 2023.05.05 18:36
mtx-context | main context file: 
/usr/share/texmf/tex/context/base/mkxl/context.mkxl
mtx-context | current version: 2023.05.05 18:36


This at least works but it's an ancient version. I couldn't find any way to 
access the 2024 dated version referenced in the PPA/launchpad site.


Conclusion:

Not sure where this leaves us. Ubutu complained about the PPA ot having a 
'release' file - so this may be a bug with the PPS config which is stopping 
Ubuntu from downloading from that PPA. Or it may be this will bnever work?

Whatever the problem is, the suggestion of getting Context into the Deb build 
seems like the way to go.

—
Bruce Horrocks
Hampshire, UK

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[NTG-context] Re: Number in a circle

[Bruce Horrocks]

On 31 May 2024, at 00:05, Kip Warner  wrote:
> 
> On Thu, 2024-05-30 at 23:20 +0100, Bruce Horrocks wrote:
>> I'd be able to maintain a Context PPA but there already seems to be
>> one:
>> 
> 
> I think that's just the source used in Ubuntu. This is called a "source
> package" in the Debian parlance:
> 
>   https://www.debian.org/doc/debian-policy/ch-source.html

Ah yes. I was thinking that launchpad.net was a Debian PPA but I see now that 
it is Ubuntu only, albeit users of other distros can install from it if they 
know the 'magic' command line trickery.

> But if you click the "Other versions of 'context' in untrusted
> archives" at the bottom of the page it will show you PPAs. There
> appears to be three, all of which are ancient.

Of the three, the "ConTeXt daily builds" owned by Adam Reviczky seems to be 
up-to-date, just not listed in date order so it's not as obvious as it might be.

If I understand the odd naming convention correctly, he has updated Ubuntu 
versions 18.04, 20.04, 22.04, 23.04 and 24.04 with the version of Context 
current as at 2024-05-29. So presumably Ubuntu users of those versions can get 
the latest Context by running an 'apt install context' command?

> Just so you know, Ubuntu source packages are just Debian source
> packages, but often with some downstream patches. The Debian source
> package is what ends up in endless distros.
> 
> Probably most lay users who use ConTeXt outside of building from a
> tarball or putting somewhere outside of the FHS are using some Debian
> distro derivative's package via:
> 
>   $ sudo apt install context
> 
> Unless the Debian package is updated, usually downstream derivative
> distros won't update their own. For that reason if you want to affect
> the most change for the most users it's best to do so here:
> 
>   https://tracker.debian.org/pkg/context

According to  Debian 
'experimental' is up-to-date with ConTeXT as of 2024-04-01. This is for the 
experimental release of course, but it does mean that the package is being 
maintained. Just that the release schedule of Debian is so slow. :-(

Or put another way, I don't think the issues we're seeing are due to lack of 
maintainer effort but rather a result of the way Debian does releases.

> Over a hundred distros just recycle the above source package and its
> resulting binaries.
> 
> Usually Debian is slow to update their packages, depending on who is
> assigned as package maintainer. Because of that, this is part of the
> reason why PPAs are popular because they shorten the time for lay users
> to try the new version without having to fiddle with paths, tarballs,
> etc.
> 
> Once you have a PPA up, to build binary packages the builder does the
> same as the ones used by the Debian project. You upload a Debian source
> package and it will then go and build and test the resulting binary
> packages. After that it injects them into the APT repository (which is
> all a PPA is).

I'm not sure there is a need to do any more than Adam Reviczky is already 
doing. When I find a bit of time I'll install a Ubuntu 24.04 into a VM and see 
what version of Context is installed, likewise Debian.

—
Bruce Horrocks
Hampshire, UK

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[NTG-context] Re: Number in a circle

[Kip Warner]

On Thu, 2024-05-30 at 23:20 +0100, Bruce Horrocks wrote:
> I'd be able to maintain a Context PPA but there already seems to be
> one:
> 

I think that's just the source used in Ubuntu. This is called a "source
package" in the Debian parlance:

   https://www.debian.org/doc/debian-policy/ch-source.html

But if you click the "Other versions of 'context' in untrusted
archives" at the bottom of the page it will show you PPAs. There
appears to be three, all of which are ancient.

Just so you know, Ubuntu source packages are just Debian source
packages, but often with some downstream patches. The Debian source
package is what ends up in endless distros.

Probably most lay users who use ConTeXt outside of building from a
tarball or putting somewhere outside of the FHS are using some Debian
distro derivative's package via:

   $ sudo apt install context

Unless the Debian package is updated, usually downstream derivative
distros won't update their own. For that reason if you want to affect
the most change for the most users it's best to do so here:

   https://tracker.debian.org/pkg/context

Over a hundred distros just recycle the above source package and its
resulting binaries.

Usually Debian is slow to update their packages, depending on who is
assigned as package maintainer. Because of that, this is part of the
reason why PPAs are popular because they shorten the time for lay users
to try the new version without having to fiddle with paths, tarballs,
etc.

Once you have a PPA up, to build binary packages the builder does the
same as the ones used by the Debian project. You upload a Debian source
package and it will then go and build and test the resulting binary
packages. After that it injects them into the APT repository (which is
all a PPA is).

-- 
Kip Warner
OpenPGP signed/encrypted mail preferred
https://www.thevertigo.com


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[NTG-context] Re: Number in a circle

[Bruce Horrocks]

> On 30 May 2024, at 21:19, Henning Hraban Ramm  wrote:
> 
> Am 30.05.24 um 19:25 schrieb Kip Warner:
>> On Thu, 2024-05-30 at 18:26 +0200, Thomas A. Schmitz wrote:
>>> Is this a message "I'm volunteering to maintain such a ppa" or a
>>> message "wouldn't it be nice if someone went out of their way to make
>>> my life easier"? Just out of curiosity.
>> Right now it's the latter due to time constraints. Although I have
>> helped a number of free software projects get PPAs up and running.
>> Usually once they're up there's not much to do after. Since ConTeXt is
>> already Debianized by the Debian project, you probably can start with
>> their debian/ folder, edit as needed, and then you should be good. You
>> can also set an automatic build recipe in the PPA so each commit to SCM
>> results in a new nightly.
>> You'll get a lot more people using and testing your newer release this
>> way. Food for thought.
> 
> I can assure you the worldwide TeX community has thought about their approach 
> a few times.
> TeX Live packaging (i.e. mostly LaTeX packaging) is different to Linux 
> packaging. Somebody explained it to me in detail, but I can’t remember…
> At least TeX Live’s yearly release setup doesn’t fit… well, anything else (I 
> find it annoying). But for release date, many of the active contributors make 
> sure everything fits together.
> 
> ConTeXt is different in that the distribution is closely coupled to binary 
> versions. It would be possible to set up a PPA independent of TeX Live, I 
> guess. (Have binary & macros in the same package, maybe docs & fonts 
> separate…) But somebody would have to maintain it.

I'd be able to maintain a Context PPA but there already seems to be one:


The dates on that page confuse me, however. It says the last upload of the 
package was 2023-05-05 but that it somehow contains the Context version from 
2024-04-09. I'm not quite sure how that can be the case?

Also it's not clear to me whether that PPA is Context alone or TeXlive plus a 
bunch of TeX stuff including Context? (I could install it of course.) :-)

—
Bruce Horrocks
Hampshire, UK

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[NTG-context] Re: Number in a circle

[Kip Warner]

On Thu, 2024-05-30 at 17:26 +0200, Henning Hraban Ramm wrote:
> My example wasn’t complete, and so is yours. You just define that 
> typeface but never use it.

I'm probably doing it wrong, but I still can't get it to work:

   \definefontfallback[SymbolFB]
 [file:symbola.otf]
 [0x00300-0x003FF,0x02100-0x02800,0x1F000-0x2] % look up the right 
Unicode ranges!
 [check=no,force=no]
   
   
\definetypeface[circle_typeface][rm][serif][times][default][fallbacks=SymbolFB]
   
   \starttext
   Some text in default font before temporarily switching just for this number:
   {\switchtobodyfont[circle_typeface] \utfchar{0x02460}}
   And back to normal text.
   \stoptext

-- 
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[NTG-context] Re: Number in a circle

[Henning Hraban Ramm]

Am 30.05.24 um 19:25 schrieb Kip Warner:

On Thu, 2024-05-30 at 18:26 +0200, Thomas A. Schmitz wrote:

Is this a message "I'm volunteering to maintain such a ppa" or a
message "wouldn't it be nice if someone went out of their way to make
my life easier"? Just out of curiosity.


Right now it's the latter due to time constraints. Although I have
helped a number of free software projects get PPAs up and running.

Usually once they're up there's not much to do after. Since ConTeXt is
already Debianized by the Debian project, you probably can start with
their debian/ folder, edit as needed, and then you should be good. You
can also set an automatic build recipe in the PPA so each commit to SCM
results in a new nightly.

You'll get a lot more people using and testing your newer release this
way. Food for thought.


I can assure you the worldwide TeX community has thought about their 
approach a few times.
TeX Live packaging (i.e. mostly LaTeX packaging) is different to Linux 
packaging. Somebody explained it to me in detail, but I can’t remember…
At least TeX Live’s yearly release setup doesn’t fit… well, anything 
else (I find it annoying). But for release date, many of the active 
contributors make sure everything fits together.


ConTeXt is different in that the distribution is closely coupled to 
binary versions. It would be possible to set up a PPA independent of TeX 
Live, I guess. (Have binary & macros in the same package, maybe docs & 
fonts separate…) But somebody would have to maintain it.


Hraban
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[NTG-context] Re: Number in a circle

[Kip Warner]

On Thu, 2024-05-30 at 18:26 +0200, Thomas A. Schmitz wrote:
> Is this a message "I'm volunteering to maintain such a ppa" or a
> message "wouldn't it be nice if someone went out of their way to make
> my life easier"? Just out of curiosity.

Right now it's the latter due to time constraints. Although I have
helped a number of free software projects get PPAs up and running. 

Usually once they're up there's not much to do after. Since ConTeXt is
already Debianized by the Debian project, you probably can start with
their debian/ folder, edit as needed, and then you should be good. You
can also set an automatic build recipe in the PPA so each commit to SCM
results in a new nightly.

You'll get a lot more people using and testing your newer release this
way. Food for thought.

-- 
Kip Warner
OpenPGP signed/encrypted mail preferred
https://www.thevertigo.com


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[NTG-context] Re: Number in a circle

[Thomas A. Schmitz]

On 30.05.24 18:18, Kip Warner wrote:

Thanks Hrabab. With respect to the latter wiki page, the project might
consider adding a PPA. They're very popular among the over a hundred
different Debian based distros out there. They reconcile both system
requirements of proper FHS usage and file tracking by the system
package manager with the user's need to use the latest stable or
nightly.


Is this a message "I'm volunteering to maintain such a ppa" or a message 
"wouldn't it be nice if someone went out of their way to make my life 
easier"? Just out of curiosity.


Thomas
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[NTG-context] Re: Number in a circle

[Kip Warner]

On Thu, 2024-05-30 at 17:22 +0200, Henning Hraban Ramm wrote:
> Am 28.05.24 um 23:50 schrieb Kip Warner:
> > On Tue, 2024-05-28 at 17:47 +0200, Pablo Rodriguez wrote:
> > > fw is a new dimensio unit only available in LMTX (not in LuaTeX).
> > > 
> > > Just in case it might help,
> > 
> > Thanks Pablo. I'm using the context package for Ubuntu Mantic which
> > is
> > version 2021.03.05.20230120+dfsg-2. I'm assuming that doesn't
> > support
> > the new unit.
> 
> No. Debian/Ubuntu is known for outdated TeX Live packages.
> 
> It doesn’t matter as long as it works for you, but on this mailing
> list we tend to assume latest versions.
> 
> See "Integrating vanilla TeX Live with Debian" in 
> https://wiki.debian.org/TeXLive how to replace TeX Live from your
> Linux distribution with a current version.
> 
> You can also install an additional ConTeXt LMTX, just be careful
> about your PATH.
> https://wiki.contextgarden.net/Installation

Thanks Hrabab. With respect to the latter wiki page, the project might
consider adding a PPA. They're very popular among the over a hundred
different Debian based distros out there. They reconcile both system
requirements of proper FHS usage and file tracking by the system
package manager with the user's need to use the latest stable or
nightly.

-- 
Kip Warner
OpenPGP signed/encrypted mail preferred
https://www.thevertigo.com


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[NTG-context] Re: Number in a circle

[Henning Hraban Ramm]

Am 28.05.24 um 23:49 schrieb Kip Warner:

On Tue, 2024-05-28 at 08:17 +0200, Henning Hraban Ramm wrote:

Am 27.05.24 um 19:20 schrieb Kip Warner:



You could just define a fallback font, like:

\definefontfallback[SymbolFB]
    [file:symbola.otf]
    [0x00300-0x003FF,0x02100-0x02800,0x1F000-0x2] % look up the
right
Unicode ranges!
    [check=no,force=no]

\definetypeface [myfonts] [rm] [serif] [times] [default]
[fallbacks=SymbolFB]

And then copy the character from a symbol table, no need for a macro.


Hmm, that's a great idea. But I can't seem to get a minimal to work
with https://context-on-web.eu:

\definefontfallback[SymbolFB]
   [file:symbola.otf]
   [0x00300-0x003FF,0x02100-0x02800,0x1F000-0x2] % look up the
right
Unicode ranges!
   [check=no,force=no]

\definetypeface [myfonts] [rm] [serif] [times] [default]

[fallbacks=SymbolFB]

\starttext

\utfchar{0x02460}
\stoptext

The above just prints the vanilla character '1'. That might be because
the online editor doesn't have access to the font. So I tried compiling
the above locally with the Symbola.otf file in the same directory and
same problem.



My example wasn’t complete, and so is yours. You just define that 
typeface but never use it.


Hraban
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[NTG-context] Re: Number in a circle

[Henning Hraban Ramm]

Am 28.05.24 um 23:50 schrieb Kip Warner:

On Tue, 2024-05-28 at 17:47 +0200, Pablo Rodriguez wrote:

fw is a new dimensio unit only available in LMTX (not in LuaTeX).

Just in case it might help,


Thanks Pablo. I'm using the context package for Ubuntu Mantic which is
version 2021.03.05.20230120+dfsg-2. I'm assuming that doesn't support
the new unit.


No. Debian/Ubuntu is known for outdated TeX Live packages.

It doesn’t matter as long as it works for you, but on this mailing list 
we tend to assume latest versions.


See "Integrating vanilla TeX Live with Debian" in 
https://wiki.debian.org/TeXLive how to replace TeX Live from your Linux 
distribution with a current version.


You can also install an additional ConTeXt LMTX, just be careful about 
your PATH.

https://wiki.contextgarden.net/Installation

Hraban
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[NTG-context] Re: Number in a circle

[Kip Warner]

On Tue, 2024-05-28 at 15:02 -0700, Kip Warner wrote:
> On Tue, 2024-05-28 at 17:38 +0200, Wolfgang Schuster wrote:
> > Add
> > 
> >  framecolor=colour_text,
> > 
> > to the frame settings.
> 
> Thanks Wolfgang. That does work.
> 
> But another problem I've found is the font and circle are not
> automatically resized when used in a formula:
> 
>    \definecolor[colour_text][r=0.754,g=0.516,b=0.324] % RGB 0xc08453
>    
>    \setupcolors[
>    state=start,
>    textcolor=colour_text,
>    pagecolormodel=rgb] % gray rgb cmyk auto none
>    
>    % Commands for MetaPost interpreter to draw a circle...
>    \startuseMPgraphic{textcircle}
>     draw fullcircle
>     xscaled OverlayWidth
>     yscaled OverlayWidth
>     withcolor OverlayLineColor;
>    \stopuseMPgraphic
>    
>    % Define an overlay using the above image...
>    \defineoverlay[textcircle][\useMPgraphic{textcircle}]
>    
>    % Define a frame we can use via \textcircled{X} that uses as its
>    background
>    %  the above overlay...
>    \defineframed
>   [textcircled]
>   [width=1.4em,
>    height=1.4em,
>    frame=off,
>    background=textcircle,
>    framecolor=colour_text,
>    location=low,
>    offset=none]
>    
>    \starttext
>    Here are the numbers \textcircled{1}, \textcircled{2}, and
>    \textcircled{3}.
>    
>    And when used in formula, \math{\Sigma_{i^b
> x_{\textcircled{3}}^i}}
>    \stoptext
> 
> What I was hoping would happen there was the circled 3 in the formula
> would shrink to look like a subscript for the x variable. Any help
> appreciated.

Wolfgang, please don't tax yourself further on this. I've managed to
find another way of expressing the same ideas in my publication without
having to resort to the above magic. Thanks again.

-- 
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[NTG-context] Re: Number in a circle

[Kip Warner]

On Tue, 2024-05-28 at 17:38 +0200, Wolfgang Schuster wrote:
> Add
> 
>  framecolor=colour_text,
> 
> to the frame settings.

Thanks Wolfgang. That does work.

But another problem I've found is the font and circle are not
automatically resized when used in a formula:

   \definecolor[colour_text][r=0.754,g=0.516,b=0.324] % RGB 0xc08453
   
   \setupcolors[
   state=start,
   textcolor=colour_text,
   pagecolormodel=rgb] % gray rgb cmyk auto none
   
   % Commands for MetaPost interpreter to draw a circle...
   \startuseMPgraphic{textcircle}
draw fullcircle
xscaled OverlayWidth
yscaled OverlayWidth
withcolor OverlayLineColor;
   \stopuseMPgraphic
   
   % Define an overlay using the above image...
   \defineoverlay[textcircle][\useMPgraphic{textcircle}]
   
   % Define a frame we can use via \textcircled{X} that uses as its
   background
   %  the above overlay...
   \defineframed
  [textcircled]
  [width=1.4em,
   height=1.4em,
   frame=off,
   background=textcircle,
   framecolor=colour_text,
   location=low,
   offset=none]
   
   \starttext
   Here are the numbers \textcircled{1}, \textcircled{2}, and
   \textcircled{3}.
   
   And when used in formula, \math{\Sigma_{i^b x_{\textcircled{3}}^i}}
   \stoptext

What I was hoping would happen there was the circled 3 in the formula
would shrink to look like a subscript for the x variable. Any help
appreciated.

-- 
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[NTG-context] Re: Number in a circle

[Kip Warner]

On Tue, 2024-05-28 at 17:47 +0200, Pablo Rodriguez wrote:
> fw is a new dimensio unit only available in LMTX (not in LuaTeX).
> 
> Just in case it might help,

Thanks Pablo. I'm using the context package for Ubuntu Mantic which is
version 2021.03.05.20230120+dfsg-2. I'm assuming that doesn't support
the new unit.

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[NTG-context] Re: Number in a circle

[Kip Warner]

On Tue, 2024-05-28 at 08:17 +0200, Henning Hraban Ramm wrote:
> Am 27.05.24 um 19:20 schrieb Kip Warner:
> > On Mon, 2024-05-27 at 07:09 +0200, Ryszard Kubiak wrote:
> > > Hi Kip,
> > > 
> > > You may try characters with Unicode slots from U+2460 upto
> > > U+2469.
> > > They mean circled digits and are available in many fonts.
> > 
> > Thanks Ryszard. Those would be perfect, except I can't get them to
> > work
> > in ConTeXt. I tried using the \utfchar{0x2460} but it just displays
> > the
> > number 1.
> > 
> > I am assuming it needs a font that supports it, but I'm not sure
> > how to
> > switch to a supporting font just to typeset that character and then
> > revert back. Is there some way to define a macro?
> 
> You could just define a fallback font, like:
> 
> \definefontfallback[SymbolFB]
>    [file:symbola.otf]
>    [0x00300-0x003FF,0x02100-0x02800,0x1F000-0x2] % look up the
> right 
> Unicode ranges!
>    [check=no,force=no]
> 
> \definetypeface [myfonts] [rm] [serif] [times] [default] 
> [fallbacks=SymbolFB]
> 
> And then copy the character from a symbol table, no need for a macro.

Hmm, that's a great idea. But I can't seem to get a minimal to work
with https://context-on-web.eu:

   \definefontfallback[SymbolFB]
  [file:symbola.otf]
  [0x00300-0x003FF,0x02100-0x02800,0x1F000-0x2] % look up the
   right
   Unicode ranges!
  [check=no,force=no]
   
   \definetypeface [myfonts] [rm] [serif] [times] [default]
   [fallbacks=SymbolFB]
   
   \starttext
   \utfchar{0x02460}
   \stoptext

The above just prints the vanilla character '1'. That might be because
the online editor doesn't have access to the font. So I tried compiling
the above locally with the Symbola.otf file in the same directory and
same problem.

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[NTG-context] Re: Number in a circle

[Kip Warner]

On Mon, 2024-05-27 at 20:15 +0200, vm wrote:
> if you make width and hwight 1.4en instead of 1.5em, the characters
> will align with the running text.

Thank you. I will give that a try.

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[NTG-context] Re: Number in a circle

[Pablo Rodriguez via ntg-context]

On 5/28/24 17:47, Pablo Rodriguez via ntg-context wrote:
> On 5/27/24 19:10, Kip Warner wrote:
>> [...]
>>to say pt, for printer's55points. two letters.
>>
>> I'm not sure what it is referring to.
>
> fw is a new dimensio unit only available in LMTX (not in LuaTeX).

Sorry for the noise.

I didn’t see that there were new messages and the proper answer from
Wolfgang among these.

Pablo

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[NTG-context] Re: Number in a circle

[Pablo Rodriguez via ntg-context]

On 5/27/24 19:10, Kip Warner wrote:
> [...]
> Thanks Wolfgang. I gave it a try on https://context-on-web.eu/, but it
> failed:
>
>Dimensions can be in units of em, ex, in, pt, pc, cm, mm, dd, cc,
>bp, dk, or54sp; but yours is a new one! I'll assume that you meant
>to say pt, for printer's55points. two letters.
>
> I'm not sure what it is referring to.

fw is a new dimensio unit only available in LMTX (not in LuaTeX).

Just in case it might help,

Pablo
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[NTG-context] Re: Number in a circle

[Wolfgang Schuster]

Kip Warner schrieb am 28.05.2024 um 06:29:

On Mon, 2024-05-27 at 19:44 +0200, Wolfgang Schuster wrote:

You can use the \framed solution and modify it to use a metapost
graphic as background, it also easy to replace the circle with a
hexagon etc.

\startuseMPgraphic{textcircle}
  draw fullcircle
  xscaled OverlayWidth
  yscaled OverlayWidth
  withcolor OverlayLineColor ;
\stopuseMPgraphic

\defineoverlay[textcircle][\useMPgraphic{textcircle}]

\defineframed
    [textcircled]
    [  width=1.5em,
  height=1.5em,
  frame=off,
     background=textcircle,
   location=low,
     offset=none]

\starttext
\dostepwiserecurse{0}{9}{1}{#1 = \textcircled{#1}\blank}
\stoptext


Thank you again Wolfgang. This is very helpful and works well.

One question I have for you is how to set the colour of the circle to
match the other text on my page. I currently do the following in my
environment file:

\definecolor[colour_text][r=0.754,g=0.516,b=0.324]
   
\setupcolors[state=start,textcolor=colour_text,pagecolormodel=rgb]


Add

framecolor=colour_text,

to the frame settings.

Wolfgang
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[NTG-context] Re: Number in a circle

[Henning Hraban Ramm]

Am 27.05.24 um 19:20 schrieb Kip Warner:

On Mon, 2024-05-27 at 07:09 +0200, Ryszard Kubiak wrote:

Hi Kip,

You may try characters with Unicode slots from U+2460 upto U+2469.
They mean circled digits and are available in many fonts.


Thanks Ryszard. Those would be perfect, except I can't get them to work
in ConTeXt. I tried using the \utfchar{0x2460} but it just displays the
number 1.

I am assuming it needs a font that supports it, but I'm not sure how to
switch to a supporting font just to typeset that character and then
revert back. Is there some way to define a macro?


You could just define a fallback font, like:

\definefontfallback[SymbolFB]
  [file:symbola.otf]
  [0x00300-0x003FF,0x02100-0x02800,0x1F000-0x2] % look up the right 
Unicode ranges!

  [check=no,force=no]

\definetypeface [myfonts] [rm] [serif] [times] [default] 
[fallbacks=SymbolFB]


And then copy the character from a symbol table, no need for a macro.

Hraban
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[NTG-context] Re: Number in a circle

[Kip Warner]

On Mon, 2024-05-27 at 19:44 +0200, Wolfgang Schuster wrote:
> You can use the \framed solution and modify it to use a metapost
> graphic as background, it also easy to replace the circle with a
> hexagon etc.
> 
> \startuseMPgraphic{textcircle}
>  draw fullcircle
>  xscaled OverlayWidth
>  yscaled OverlayWidth
>  withcolor OverlayLineColor ;
> \stopuseMPgraphic
> 
> \defineoverlay[textcircle][\useMPgraphic{textcircle}]
> 
> \defineframed
>    [textcircled]
>    [  width=1.5em,
>  height=1.5em,
>  frame=off,
>     background=textcircle,
>   location=low,
>     offset=none]
> 
> \starttext
> \dostepwiserecurse{0}{9}{1}{#1 = \textcircled{#1}\blank}
> \stoptext

Thank you again Wolfgang. This is very helpful and works well.

One question I have for you is how to set the colour of the circle to
match the other text on my page. I currently do the following in my
environment file:

   \definecolor[colour_text][r=0.754,g=0.516,b=0.324]
  
   \setupcolors[state=start,textcolor=colour_text,pagecolormodel=rgb]

-- 
Kip Warner
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https://www.thevertigo.com


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[NTG-context] Re: Number in a circle

[vm via ntg-context]

if you make width and hwight 1.4en instead of 1.5em, the characters will 
align with the running text.




\defineframed
  [textcircled]
  [   width=1.4em,
 height=1.4em,
   location=low,
 corner=round,
%radius=.5fw,
 radius=\dimexpr\framedwidth/2\relax,
 offset=none]

\starttext
\dostepwiserecurse{0}{9}{1}{#1 = \textcircled{#1}\blank}
\stoptext

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[NTG-context] Re: Number in a circle

[Wolfgang Schuster]

Kip Warner schrieb am 27.05.2024 um 19:23:

On Mon, 2024-05-27 at 05:43 -0400, seyal zavira wrote:

if you don't want to use metapost you can also use svg for background
for example:

\startuniqueMPgraphic{centered_svg}
   draw lmt_svg [
     filename = "badge.svg",
     width  = OverlayWidth,
     y      = OverlayHeight/2,  ] ;
\stopuniqueMPgraphic

\defineoverlay
   [svgback]
   [\useMPgraphic{centered_svg}]

\defineframed[Sback][location=low,background=svgback,frame=off,offset=8pt]

\starttext
this is a sample \Sback{1} text
\stoptext


Hello Seyal,

This does work but it's a bit annoying that I have to create an SVG of
just a circle and store it somewhere. I'm fine with using MetaPost,
especially if it makes this easier, but I just don't know how.


You can use the \framed solution and modify it to use a metapost graphic 
as background, it also easy to replace the circle with a hexagon etc.


\startuseMPgraphic{textcircle}
draw fullcircle
xscaled OverlayWidth
yscaled OverlayWidth
withcolor OverlayLineColor ;
\stopuseMPgraphic

\defineoverlay[textcircle][\useMPgraphic{textcircle}]

\defineframed
  [textcircled]
  [  width=1.5em,
height=1.5em,
frame=off,
   background=textcircle,
 location=low,
   offset=none]

\starttext
\dostepwiserecurse{0}{9}{1}{#1 = \textcircled{#1}\blank}
\stoptext

Wolfgang
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[NTG-context] Re: Number in a circle

[Kip Warner]

On Mon, 2024-05-27 at 19:28 +0200, Wolfgang Schuster wrote:
> TeX complains about the value ".5fw" for the radius key. Hans added
> last year the function to add new units to ConTeXt and I used it to
> set the radius to half of the width of the framed box.
> 
> Use the following version of the setup for the frame which works with
> older ConTeXt installations because it doesn't use the feature.
> 
> \defineframed
>    [textcircled]
>    [   width=1.5em,
>   height=1.5em,
>     location=low,
>   corner=round,
>  %radius=.5fw,
>   radius=\dimexpr\framedwidth/2\relax,
>   offset=none]
> 
> \starttext
> \dostepwiserecurse{0}{9}{1}{#1 = \textcircled{#1}\blank}
> \stoptext

Thank you kindly, Wolfgang. That worked perfectly.

-- 
Kip Warner
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[NTG-context] Re: Number in a circle

[Wolfgang Schuster]

Kip Warner schrieb am 27.05.2024 um 19:10:

On Mon, 2024-05-27 at 16:51 +0200, Wolfgang Schuster wrote:

I can't provide a circle but I can give you a box with rounded
corners.

\defineframed
    [textcircled]
    [   width=1.5em,
   height=1.5em,
     location=low,
   corner=round,
   radius=.5fw,
   offset=none]

\starttext
\dostepwiserecurse{0}{9}{1}{#1 = \textcircled{#1}\blank}
\stoptext


Thanks Wolfgang. I gave it a try on https://context-on-web.eu/, but it
failed:

Dimensions can be in units of em, ex, in, pt, pc, cm, mm, dd, cc,
bp, dk, or54sp; but yours is a new one! I'll assume that you meant
to say pt, for printer's55points. two letters.

I'm not sure what it is referring to.


TeX complains about the value ".5fw" for the radius key. Hans added last 
year the function to add new units to ConTeXt and I used it to set the 
radius to half of the width of the framed box.


Use the following version of the setup for the frame which works with 
older ConTeXt installations because it doesn't use the feature.


\defineframed
  [textcircled]
  [   width=1.5em,
 height=1.5em,
   location=low,
 corner=round,
%radius=.5fw,
 radius=\dimexpr\framedwidth/2\relax,
 offset=none]

\starttext
\dostepwiserecurse{0}{9}{1}{#1 = \textcircled{#1}\blank}
\stoptext

Wolfgang
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[NTG-context] Re: Number in a circle

[Kip Warner]

On Mon, 2024-05-27 at 05:43 -0400, seyal zavira wrote:
> if you don't want to use metapost you can also use svg for background
> for example:
> 
> \startuniqueMPgraphic{centered_svg}
>   draw lmt_svg [
>     filename = "badge.svg",
>     width  = OverlayWidth,
>     y      = OverlayHeight/2,  ] ;
> \stopuniqueMPgraphic
> 
> \defineoverlay
>   [svgback]
>   [\useMPgraphic{centered_svg}]
> 
> \defineframed[Sback][location=low,background=svgback,frame=off,offset
> =8pt]
> 
> \starttext
> this is a sample \Sback{1} text
> \stoptext

Hello Seyal,

This does work but it's a bit annoying that I have to create an SVG of
just a circle and store it somewhere. I'm fine with using MetaPost,
especially if it makes this easier, but I just don't know how.

-- 
Kip Warner
OpenPGP signed/encrypted mail preferred
https://www.thevertigo.com


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[NTG-context] Re: Number in a circle

[Kip Warner]

On Mon, 2024-05-27 at 07:09 +0200, Ryszard Kubiak wrote:
> Hi Kip,
> 
> You may try characters with Unicode slots from U+2460 upto U+2469.
> They mean circled digits and are available in many fonts.

Thanks Ryszard. Those would be perfect, except I can't get them to work
in ConTeXt. I tried using the \utfchar{0x2460} but it just displays the
number 1.

I am assuming it needs a font that supports it, but I'm not sure how to
switch to a supporting font just to typeset that character and then
revert back. Is there some way to define a macro?

-- 
Kip Warner
OpenPGP signed/encrypted mail preferred
https://www.thevertigo.com


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[NTG-context] Re: Number in a circle

[Kip Warner]

On Mon, 2024-05-27 at 16:51 +0200, Wolfgang Schuster wrote:
> I can't provide a circle but I can give you a box with rounded
> corners.
> 
> \defineframed
>    [textcircled]
>    [   width=1.5em,
>   height=1.5em,
>     location=low,
>   corner=round,
>   radius=.5fw,
>   offset=none]
> 
> \starttext
> \dostepwiserecurse{0}{9}{1}{#1 = \textcircled{#1}\blank}
> \stoptext

Thanks Wolfgang. I gave it a try on https://context-on-web.eu/, but it
failed:

   Dimensions can be in units of em, ex, in, pt, pc, cm, mm, dd, cc,
   bp, dk, or54sp; but yours is a new one! I'll assume that you meant
   to say pt, for printer's55points. two letters.

I'm not sure what it is referring to.

-- 
Kip Warner
OpenPGP signed/encrypted mail preferred
https://www.thevertigo.com


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[NTG-context] Re: Number in a circle

[Wolfgang Schuster]

Kip Warner schrieb am 27.05.2024 um 06:14:

Hello list,

I would like to typeset a number in a circle. Nothing fancy. No special
colours, transforms, or complex metapost magic (which I am not familiar
with).

I have tried \circled{3} and \textcircled{3}, but ConTeXt does not
appear to recognize these commands. Any help appreciated.


I can't provide a circle but I can give you a box with rounded corners.

\defineframed
  [textcircled]
  [   width=1.5em,
 height=1.5em,
   location=low,
 corner=round,
 radius=.5fw,
 offset=none]

\starttext
\dostepwiserecurse{0}{9}{1}{#1 = \textcircled{#1}\blank}
\stoptext

Wolfgang
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[NTG-context] Re: Number in a circle

[seyal zavira]

if you don't want to use metapost you can also use svg for background
for example:

\startuniqueMPgraphic{centered_svg}
  draw lmt_svg [
filename = "badge.svg",
width  = OverlayWidth,
y  = OverlayHeight/2,  ] ;
\stopuniqueMPgraphic

\defineoverlay
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On Mon, May 27, 2024 at 12:38 AM Kip Warner  wrote:

> Hello list,
>
> I would like to typeset a number in a circle. Nothing fancy. No special
> colours, transforms, or complex metapost magic (which I am not familiar
> with).
>
> I have tried \circled{3} and \textcircled{3}, but ConTeXt does not
> appear to recognize these commands. Any help appreciated.
>
> --
> Kip Warner
> OpenPGP signed/encrypted mail preferred
> https://www.thevertigo.com
>
> ___
> If your question is of interest to others as well, please add an entry to
> the Wiki!
>
> maillist : ntg-context@ntg.nl /
> https://mailman.ntg.nl/mailman3/lists/ntg-context.ntg.nl
> webpage  : https://www.pragma-ade.nl / https://context.aanhet.net (mirror)
> archive  : https://github.com/contextgarden/context
> wiki : https://wiki.contextgarden.net
>
> ___
>


test.pdf
Description: Adobe PDF document
___
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[NTG-context] Re: Number in a circle

[Ryszard Kubiak]

Hi Kip,

You may try characters with Unicode slots from U+2460 upto U+2469. They
mean circled digits and are available in many fonts.

Best,
Ryszard

pon., 27 maj 2024 o 06:39 Kip Warner  napisał(a):

> Hello list,
>
> I would like to typeset a number in a circle. Nothing fancy. No special
> colours, transforms, or complex metapost magic (which I am not familiar
> with).
>
> I have tried \circled{3} and \textcircled{3}, but ConTeXt does not
> appear to recognize these commands. Any help appreciated.
>
> --
> Kip Warner
> OpenPGP signed/encrypted mail preferred
> https://www.thevertigo.com
>
> ___
> If your question is of interest to others as well, please add an entry to
> the Wiki!
>
> maillist : ntg-context@ntg.nl /
> https://mailman.ntg.nl/mailman3/lists/ntg-context.ntg.nl
> webpage  : https://www.pragma-ade.nl / https://context.aanhet.net (mirror)
> archive  : https://github.com/contextgarden/context
> wiki : https://wiki.contextgarden.net
>
> ___
>
___
If your question is of interest to others as well, please add an entry to the 
Wiki!

maillist : ntg-context@ntg.nl / 
https://mailman.ntg.nl/mailman3/lists/ntg-context.ntg.nl
webpage  : https://www.pragma-ade.nl / https://context.aanhet.net (mirror)
archive  : https://github.com/contextgarden/context
wiki : https://wiki.contextgarden.net
___