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How to get the Glyph List of fonts?
The fontconfig commands can output the glyph list as a compact list of ranges, eg: Use fc-query for a .ttf file and fc-match for an installed font name. This likely doesn’t involve installing any extra packages, and doesn’t involve translating a bitmap.
What to do with glyphs that dont have a Unicode code?
Glyphs without a Unicode value are usually simply omitted. Type designers need to choose one of two ways to deal with glyphs that don’t have an official Unicode code point: 1. Don’t encode them at all. This is the recommended way from a semantical and technical point of view.
How to find out what characters a given font supports?
Code can be found here, https://github.com/zhk/AllCodePoints For the 40MB file size Asian font, it costs about 30 ms on my E5 computer. You can do this on Linux in Perl using the Font::TTF module. If you ONLY want to “view” the fonts, the following might be helpful (if your terminal supports the font in question):
How many characters are in a Latin OpenType?
A commercial Latin OpenType will probably have a rather complete character set for the first 256 characters, but there can be any number of unencoded characters as well. As an example: Arno Pro from Adobe includes the character sets for Latin, Greek and Cyrillic together using around 1000 glyph slots.
Are there alternate glyphs for the Garamond Premier font?
Many OpenType fonts, including the Garamond Premier™ typeface shown above, contain alternate glyphs. Many foundries and font resellers indicate on their Web sites the available alternate glyphs for OpenType fonts that contain expanded character sets.
How to list all fonts supported by FreeType?
For any font that is supported by Freetype, the Freetype library makes this information available, but there doesn’t seem to be a readily available command line utility to query it. Here’s a one-liner using the Freetype-py Python bindings, which you can install with pip3 install –user freetype-py.