Preview fonts from Dired with org-latex-preview (and test opentype features)

Preview fonts from Dired with org-latex-preview (and test opentype features)

[Juan Manuel Macías]

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Hi,

I have written for my personal use this code (still quite crude) that
allows me to preview with org-latex-preview small text strings in a font
marked in dired, and test open type features too. The preview is
compiled with LuaLaTeX, since LuaTeX allows to load fonts that are not
installed in the system.

When a font is selected, the list of opentype features included in the
font are extracted (using the otfinfo command), and they are arranged in
the preview buffer as buttons. By clicking on each button we can
activate in the preview the corresponding opentype feature. For example,
if the font includes the 'smcp' feature, clicking on the button 'smcp'
the text will be displayed in small caps.

We can enter the text strings literally or through Unicode code: each
character separated by a space; the separation between words is marked
with a vertical bar. For example, this code:

0063 006f 0064 0065 | 0068 0065 0072 0065

returns the string "code here".

As a third option, a complete specimen can be displayed from a file.

Here is a demo video: https://cloud.disroot.org/s/aHXKiof36fTSZGB

As I said, my function is still pretty crude, and while it works well,
it's now more of a proof of concept than a finished thing. But if anyone
wants to try it, I attach the code here in an org document.

Best regards,

Juan Manuel


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Re: Preview fonts from Dired with org-latex-preview (and test opentype features)

[Ken Mankoff]

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Please excuse brevity. Sent from tiny pocket computer with non-haptic
feedback keyboard.

On Mon, Jan 10, 2022, 08:53 Juan Manuel Macías <maciaschain@posteo.net>
wrote:

> Hi,
>
> I have written for my personal use this code (still quite crude) that
> allows me to preview with org-latex-preview small text strings in a font
> marked in dired, and test open type features too. The preview is
> compiled with LuaLaTeX, since LuaTeX allows to load fonts that are not
> installed in the system.
>
> When a font is selected, the list of opentype features included in the
> font are extracted (using the otfinfo command), and they are arranged in
> the preview buffer as buttons. By clicking on each button we can
> activate in the preview the corresponding opentype feature. For example,
> if the font includes the 'smcp' feature, clicking on the button 'smcp'
> the text will be displayed in small caps.
>
> We can enter the text strings literally or through Unicode code: each
> character separated by a space; the separation between words is marked
> with a vertical bar. For example, this code:
>
> 0063 006f 0064 0065 | 0068 0065 0072 0065
>
> returns the string "code here".
>
> As a third option, a complete specimen can be displayed from a file.
>
> Here is a demo video: https://cloud.disroot.org/s/aHXKiof36fTSZGB
>
> As I said, my function is still pretty crude, and while it works well,
> it's now more of a proof of concept than a finished thing. But if anyone
> wants to try it, I attach the code here in an org document.
>
> Best regards,
>
> Juan Manuel
>
>

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