MP setup for a progress bar

MP setup for a progress bar

[Henning Hraban Ramm]

Thanks to Taco, Robbert and Jules for their work!


I used the downtime to setup a presentation style with a progress bar in 
the footer. But I get the same (first page) graphics on all pages, and 
the footer background appears under the text area as well as under the 
margins.

* I thought \useMPgraphics would be enough to re-calculate on every page?
* How can I set a background to the footer area, but page width?
* I tried \overlaywidth as well as OverlayWidth in the MP graphic – how 
do I get the page size?

"""
\setuppapersize[SW]

\startuseMPgraphic{Blocks}
fill unitsquare xysized (800 * RealPageNumber/NOfPages, 50) withcolor blue;
\stopuseMPgraphic

\defineoverlay[Blocks][\useMPgraphic{Blocks}]

\setupbackgrounds[footer][background={Blocks}]

\starttext

\dorecurse{10}{\recurselevel\page}

\stoptext
"""

Hraban
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Re: MP setup for a progress bar

[Wolfgang Schuster]

Henning Hraban Ramm schrieb am 04.07.2023 um 22:24:
> Thanks to Taco, Robbert and Jules for their work!
>
>
> I used the downtime to setup a presentation style with a progress bar 
> in the footer. But I get the same (first page) graphics on all pages, 
> and the footer background appears under the text area as well as under 
> the margins.
>
> * I thought \useMPgraphics would be enough to re-calculate on every page?
> * How can I set a background to the footer area, but page width?
> * I tried \overlaywidth as well as OverlayWidth in the MP graphic – 
> how do I get the page size?

You need \setupbackgrounds[state=repeat].

\setuppapersize[SW]

\startuseMPgraphic{Blocks}
fill unitsquare xysized (OverlayWidth * PageNumber / LastPageNumber, 
OverlayHeight) withcolor blue;
%setbounds currentpicture to OverlayBox;
\stopuseMPgraphic

\defineoverlay[Blocks][\useMPgraphic{Blocks}]

\setupbackgrounds[state=repeat]

\setupbackgrounds[footer][text][background=Blocks]

\starttext

\dorecurse{10}{\recurselevel\page}

\stoptext

Wolfgang

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Re: MP setup for a progress bar

[Henning Hraban Ramm]

Am 04.07.23 um 22:53 schrieb Wolfgang Schuster:
> Henning Hraban Ramm schrieb am 04.07.2023 um 22:24:

>> I used the downtime to setup a presentation style with a progress bar 
>> in the footer. But I get the same (first page) graphics on all pages, 
>> and the footer background appears under the text area as well as under 
>> the margins.
>>
>> * I thought \useMPgraphics would be enough to re-calculate on every page?
>> * How can I set a background to the footer area, but page width?
>> * I tried \overlaywidth as well as OverlayWidth in the MP graphic – 
>> how do I get the page size?
> 
> You need \setupbackgrounds[state=repeat].

Thank you!
But \setupbackgrounds[footer][text][background=Blocks,state=repeat] 
doesn’t work.
Does this make sense if I don’t want layers in _all_ areas to repeat?

> \setuppapersize[SW]
> 
> \startuseMPgraphic{Blocks}
> fill unitsquare xysized (OverlayWidth * PageNumber / LastPageNumber, 
> OverlayHeight) withcolor blue;

Thank you – so RealPageNumber/NOfPages was wrong? I got that from 
simpleslides.

Hraban
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Re: MP setup for a progress bar

[Aditya Mahajan]

On Tue, 4 Jul 2023, Henning Hraban Ramm wrote:

> Thanks to Taco, Robbert and Jules for their work!
> 
> 
> I used the downtime to setup a presentation style with a progress bar in the
> footer. But I get the same (first page) graphics on all pages, and the footer
> background appears under the text area as well as under the margins.

Also see:

https://github.com/adityam/visualcounter

There is a simple progress bar and the documentation shows how to create your own as well. 

Aditya
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