Not filling up the storage of the user's reading device unneccessarily is another consideration here. Knowing that the text of an ebook is not altered by the reader it is safe to discard all the glyphs from the font that are not used in my text. Again, my overall book filesize limit is 3 megabytes which has to do for all the pictures and the font files (plus the layout and meta files). storing 20.000 (in extreme cases up to 200.000) glyphs makes for ~ 7-12 megabytes per font weight. Asian font files are comparatively huge due to the nature of their alphabets / glyphs. But my ebooks are bilingual and for the Korean edition I need to add a Korean font (in addition to the western font). That is ok when I use a western font set. In order for a book to be sold for the certain price range that I'm going for, the file size must not exceed 3 megabytes. The Amazon Kindle publishing program has very strict file size restrictions. The ebook files (I am producing mainly for amazon kindle) consist of some meta data, the image files, layout information and of course the font files. The text, however, is not part of the pictures but is displayed on an additional layer that is displayed in foreground of the pictures. Use case: I am creating children's ebooks which by their nature consist mainly of images. In fontforge there are certain selection options (Main Menu > Edit > Selection), and I tried "Select by Wildcarcds" after converting the korean characters into their unicode sequences. The actual text is longer than this, so searching manually in fontforge is not an option. So how can I delete all the other characters from the font file that are not part of that small text sample? In the end I want to end up with a new TTF file that contains only the used characters. Here's a small example: There is a text file that contains the words "사슴
WEIGHT NAMES FONTFORGE FREE
(If you know a free tool other than fontforge that can do it, that works too for me). How can I delete all characters from a TTF font file that are not used in a given text sample with Fontforge? In other words I want to create a subset from an existing font which contains only the characters that actually show in my text.
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