[NTG-context] Trying to emulate CSS "object-fit" behaviour...

Stuart Hungerford stuart.hungerford at gmail.com
Thu Oct 16 00:36:51 CEST 2014


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]



    [title={title text}]
      {\vspace more text}

          %% and so on

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;


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.


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