autosize font in quarto presentation

Question

Am I able to set font in a Quarto presentation to auto-size to the text window object of the slide? I am starting to build a talk to show everyone at my company how great {quarto} is, but am dreading the task of render --> check font size --> adjust font --> check again for each window on each slide to make sure my text does not spill over off the viewable area.

PowerPoint does this automatically when you type text into a field.

Example quarto-pptx-resize-text.qmd below, for reference the template.pptx referenced is the default rendered pptx with a wordmark for my company added to the master slide(s).

---
title: "quarto-pptx-resize-text"
author: "M. Wood"
format: 
    pptx: 
        reference-doc: template.pptx
---

## A Few Lines (4)

- the quick brown fox jumped over the lazy dog
- the quick brown fox jumped over the lazy dog
- the quick brown fox jumped over the lazy dog
- the quick brown fox jumped over the lazy dog

## A LOT of Lines (20)

- the quick brown fox jumped over the lazy dog
- the quick brown fox jumped over the lazy dog
- the quick brown fox jumped over the lazy dog
- the quick brown fox jumped over the lazy dog
- the quick brown fox jumped over the lazy dog
- the quick brown fox jumped over the lazy dog
- the quick brown fox jumped over the lazy dog
- the quick brown fox jumped over the lazy dog
- the quick brown fox jumped over the lazy dog
- the quick brown fox jumped over the lazy dog
- the quick brown fox jumped over the lazy dog
- the quick brown fox jumped over the lazy dog
- the quick brown fox jumped over the lazy dog
- the quick brown fox jumped over the lazy dog
- the quick brown fox jumped over the lazy dog
- the quick brown fox jumped over the lazy dog
- the quick brown fox jumped over the lazy dog
- the quick brown fox jumped over the lazy dog
- the quick brown fox jumped over the lazy dog
- the quick brown fox jumped over the lazy dog

---

---

---

---

Thanks in advance!

Insomnia

can you share an examle of an overlowing text so the problem can be reproduced? – Boigie

Hi @Boigie , you're right... I should try to make a tiny reprex here to illustrate the point. Will post that up in a few mins. – Insomnia

Does this really have anything to do with PowerPoint? If not, you might want to remove that tag. – Jehial

I wasn’t sure at the time I posted @SteveRindsberg. Are we sure the issue is exclusive to one of the other tags? My understanding is that there’s some interaction between the PPTX format and either quarto or pandoc. – Insomnia

The PPTX format being what it is, if some other combination of programs makes the wrong thing happen, the PPTX format is sort of a non-issue. But if you want to leave the tag there, I'm not going to complain. – Jehial

At the moment, this option seems to exist for revealjs output (fit text), but not for powerpoint. – Bergwall