Indic script, Telugu language text (non latin) is not rendered properly

[gangadharjannu]

Describe the bug: Indic script, Telugu https://en.wikipedia.org/wiki/Telugu_language is not rendered properly. To be specific text is overlapping. This issue existed since very long time.

Steps to reproduce the behavior:

1. Go to Title
2. Click on any of the available templates
3. Update any Telugu text in Line1 textbox. Example 'దేవ దేవం భజే దివ్య ప్రభావం'
4. Select any font ( I tried with default fonts, other custom fonts, Telugu language fonts but none worked), any writing system (Any, Latin, Telugu)
5. We can see that text is not rendered properly (attached in screenshot)

Expected behavior:

Indic text or non Latin text should be rendered without any issue in OpenShot

System Details:

• OpenShot Version 3.0.0: {{ log_context.openshot_qt_version }}
• Operating System / Distro: Kali Linux (but issue is also in Ubuntu, Mint, Debian)

Screenshots: (Optional) If applicable, add screenshots to help explain your problem. To include screenshots, copy/paste them here, drag the image(s) into this form, or click the link below this edit field to load images saved to your computer. All images are public, so please don't post screenshots containing personal information.

I like OpenShot so much as it is very simple but because of this issue I'm not able to use it.

Please note that, other video editing applications like Pitivi, Kdenlive are able to render Telugu language fonts without any issue

[gangadharjannu]

If somebody is willing to guide me, I can do code contributions. Can anybody look into this ?

[gangadharjannu]

Were you able to identify the issue by any chance ?