extracted CJK-specific part from ITextFontResolver to a subclass CJKFontResolver
Users can pass it to ITextRenderer, e.g. new ITextRenderer(new CJKFontResolver())
P.S. In fact, there is no more need to exclude CJK fonts after PR https://github.com/LibrePDF/OpenPDF/pull/955 gets merged in OpenPDF. This PR will fix loading speed of CJK fonts.
But anyway, I decided to make CJK fonts optional because they also consume some amount of memory (and probably not needed for most customers).
new ITextRenderer(new CJKFontResolver())
P.S. In fact, there is no more need to exclude CJK fonts after PR https://github.com/LibrePDF/OpenPDF/pull/955 gets merged in OpenPDF. This PR will fix loading speed of CJK fonts.
But anyway, I decided to make CJK fonts optional because they also consume some amount of memory (and probably not needed for most customers).