Date: Tue Feb 20 2024 - 19:34:08 PST
Hi, thanks for the information, much appreciated. We are currently using Angsana New at the client’s request but I will try some of the other fonts you mentioned.
From: Xep-support <xep-support-bounces@renderx.com> On Behalf Of Vladyslav Sivyakov
Sent: Wednesday, February 21, 2024 1:56 PM
To: xep-support@renderx.com
Subject: [xep-support] Re: Issue with Thai text
Hello Darren,
This is a common problem. It is caused by incomplete (not well-formed) fonts, and the only good solution is, unfortunately, to choose another font or edit the existing one.
Please take a look at this post at StackOverflow for the deeper insight on what's going on. https://stackoverflow.com/a/45469424/
If the font does contain necessary glyphs in PUA (Private Use Area), RenderX XEP is able to find the "1st floor" substitutes for canonical glyphs.
If not, XEP falls back to using canonical glyphs which end up drawn on the "2nd floor", overlap, and visually appear too high above the consonant.
In this case, you have no other choice but to find another font or to finalize the development of the existing one by adding the missing glyphs.
From the practical experience, we find Arial Unicode and AngsanaUPC (both distributed with Windows) as well as FreeSerif incomplete.
On the other hand, Laksaman, Norasi, Loma, and AngsanaUPC found elsewhere on the Web are proven to work well.
However, keep in mind to check the licenses when you download it from the Web sites around the Internet and use it in your projects.
Best regards,
Vladyslav Sivyakov, RenderX.
On 21.02.2024 03:48, Darren Munt wrote:
We’ve had an issue reported by a Thai customer. Apparently the diacritics above some of the characters are superimposed when there are multiple marks. I don’t pretend to understand the language at all but I guess the sample they sent doesn’t look right. So is this something I am doing wrong, or a limitation we’re not aware of? See example below where you can see in the top selection of text there is a second diacritic above some of the characters, and in the PDF screenshot, those second marks are overlayed.
[cid:image001.png@01DA64D3.06CA76E0]
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