Are 'Droid Sans Thai' and 'Waree' default font in LibreOffice ?

There are 2 fonts of Thai Language from font name list box of LO; ‘Droid Sans Thai’ and ‘Waree’ >>

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I am using Fedora 30 Workstation KDE of Fedora from Spins.

And these is only ‘Waree’ system font.

Are ‘Droid Sans Thai’ and ‘Waree’ default font in LibreOffice ?

The topmost part of the selector shows fonts recently applied. Most probably, Droid Sans Thai was applied in the document that you open. Thus, its name will show up even if absent in your system (LibreOffice will try to substitute it with something else).

@gabix

I have not installed additional system fonts yet.

And on the list in such font name listbox, there are only those 2 fonts for Thai language.

I tried using both of them (อักษรไทย means Thai alphabet), so they are seen on first and second position on the list as you described.

Thank you.

Hello,

the answer to your question depends on what you are using on your operating system and what packagers of your distribution suppose to be essential to LibreOffice. Taking a pure perspective of what is being delivered by TDF native rpm packages, you can just have a look into /opt/libreorffice<x.y>/share/fonts to see which fonts are delivered with the software.
On the other hand, if you don’t know which package a specific font belongs to, just ask rpm database - See the following example for Waree font on Fedora:

[user@system:/usr/share/fonts/thai-scalable]$ rpm -qf /usr/share/fonts/thai-scalable/Waree.ttf
thai-scalable-waree-fonts-0.6.5-5.fc30.noarch
[user@system:/usr/share/fonts/thai-scalable]$ rpm -qi thai-scalable-waree-fonts-0.6.5-5.fc30.noarch
Name        : thai-scalable-waree-fonts
Version     : 0.6.5
Release     : 5.fc30
Architecture: noarch
Install Date: Fr 02 Aug 2019 15:36:05 CEST
Group       : Unspecified
Size        : 394285
License     : GPLv2+ and Bitstream Vera
Signature   : RSA/SHA256, Mi 17 Jul 2019 10:03:09 CEST, Key ID ef3c111fcfc659b9
Source RPM  : thai-scalable-fonts-0.6.5-5.fc30.src.rpm
Build Date  : Mi 17 Jul 2019 09:43:10 CEST
Build Host  : unused
Relocations : (not relocatable)
Packager    : Fedora Project
Vendor      : Fedora Project
URL         : http://linux.thai.net/projects/thaifonts-scalable
Bug URL     : https://bugz.fedoraproject.org/thai-scalable-fonts
Summary     : Thai Waree fonts
Description :

fonts-tlwg provides a collection of free scalable Thai fonts.

This package provides the Waree family of Thai fonts.

This indicates that the font is not part of any LibreOffice package - but it may have been installed due packagers defined an dependency.

Finally - LibreOffice may ask the operating system (i.e. desktop managers), that additional fonts are required and a respective notification will be displayed, which allows to install the required additional fonts quickly. But nevertheless it is still not a font provided by LibreOffice but the operating system/ distribution.

Hope this helps