'Installing fonts that render Mandarin characters with WKHTMLtoPDF on Heroku

I'm trying to get wkhtmltopdf to render a PDF that contains Mandarin characters on Heroku.

After quite a lot of research, I followed the steps from here and installed all of the Chinese fonts into a fonts/ directory in my root folder from here, as well as ttf-droid. The Chinese fonts where .ttc files, so I tried them as that, then converted them to ttfs when that didn't work.

Has anyone got any idea how to get these to work?



Solution 1:[1]

For those that want a solution(ish), I ended up importing the font in CSS.

Sources

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Source: Stack Overflow

Solution Source
Solution 1 Tom Hamilton Stubber