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From: Hans Hagen <pragma@wxs.nl>
To: ntg-context@ntg.nl
Subject: Re: Trying to emulate CSS "object-fit" behaviour...
Date: Thu, 16 Oct 2014 13:32:26 +0200	[thread overview]
Message-ID: <543FACCA.5060606@wxs.nl> (raw)
In-Reply-To: <CAG+kMrH9vr24xNiF2gWxznb0JncMn7dVkUMWzBDWmD325a2iqA@mail.gmail.com>

On 10/16/2014 12:36 AM, Stuart Hungerford wrote:
> Hi,
>
> I have a collection of PDF files of varying sizes and aspect ratios.
> I'm currently using a combination and external figures to place these
> into frames:
>
> \setupexternalfigures[width=45.2mm, frame=off, factor=fit]
>
> \setupcombinations[nx=5,ny=4,width=277mm,distance=10mm,after={\blank[10mm]}]
>
> \setupframed[offset=1.0mm,background=color,rulethickness=0.25pt,backgroundcolor=white,framecolor=lightgray]
>
> \starttext
>    \startsection
>      [title={title text}]
>      \placefigure[here][nonumber]
>        {\vspace more text}
>        {\startcombination
>          {\framed[]
>            {\externalfigure[1.pdf][location=middle]}{}}{}
>
>            %% and so on

\starttext

\framed
   [offset=overlay,width=4cm,height=4cm]
   {\externalfigure[t:/sources/cow.pdf][factor=max]}

\framed
   [offset=overlay,width=4cm,height=6cm]
   {\externalfigure[t:/sources/cow.pdf][factor=max]}

\framed
   [offset=overlay,width=6cm,height=4cm]
   {\externalfigure[t:/sources/cow.pdf][factor=max]}

\stoptext


> This works well, but what I'd like to do is choose a fixed size frame
> for each PDF and have ConTeXt fill the frame in the same way as these
> CSS commands:
>
> object-fit      : cover;
> object-position : top left;
> overflow        : hidden;
>
> (http://www.w3.org/TR/css3-images/#the-object-fit)
>
> That is, scale the PDF until all the frame is covered with some part
> of the PDF, even if means overflowing the frame. The "overflow:
> hidden" would then clip the overflow to the frame. Different PDF's
> could have different scalings applied to make this work, which is fine
> for this application.
>
> I understand this may not be an idiomatic use of ConTeXt--any advice
> or suggestions for alternate approaches much appreciated.
>
> Stu
> ___________________________________________________________________________________
> If your question is of interest to others as well, please add an entry to the Wiki!
>
> maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
> webpage  : http://www.pragma-ade.nl / http://tex.aanhet.net
> archive  : http://foundry.supelec.fr/projects/contextrev/
> wiki     : http://contextgarden.net
> ___________________________________________________________________________________
>


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___________________________________________________________________________________
If your question is of interest to others as well, please add an entry to the Wiki!

maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
webpage  : http://www.pragma-ade.nl / http://tex.aanhet.net
archive  : http://foundry.supelec.fr/projects/contextrev/
wiki     : http://contextgarden.net
___________________________________________________________________________________

  reply	other threads:[~2014-10-16 11:32 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-15 22:36 Stuart Hungerford
2014-10-16 11:32 ` Hans Hagen [this message]
2014-10-17 20:47   ` Trying to emulate CSS Stuart Hungerford
2014-10-18 10:32     ` Hans Hagen

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