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From: | Urs Liska |
Subject: | Re: How to determine if a font is a fallback font? |
Date: | Tue, 28 Apr 2015 09:48:51 +0200 |
User-agent: | Mozilla/5.0 (X11; Linux i686; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 |
Am 28.04.2015 um 09:38 schrieb Werner
LEMBERG:
Is there a function to retrieve the "font name" from a given file name? It would be a viable approach if I could compare the result of that request with the original font name.For TTFs and TTCs (either with TrueType outlines or embedded CFFs) you can use `ly:ttf-ps-name'. Thanks that seems to work perfectly. Try \version "2.19.19" fontExists = #(define-void-function (parser location font-name)(string?) (let* ((font-file (ly:font-config-get-font-file font-name)) (reverse-font-name (ly:ttf-ps-name font-file)) (font-exists (string=? font-name reverse-font-name))) (ly:message (format "\nGiven font name: ~a" font-name)) (ly:message (format "Determined font file: ~a" font-file)) (ly:message (format "Actual font in that file: ~a" reverse-font-name)) (ly:message (format "Given font is present: ~a" font-exists)))) \fontExists "Emmentaler-13" \fontExists "Fancy-Font" Looking into lilypond's code, however, I don't see why this shouldn't work for Type1 fonts (or even pure CFFs) also. It's worth a try – and if it works, we should provide an alias name for `ly:ttf-ps-name'. I don't know how to proceed with this. However, in the context of my current patch I will add a variant of the above function to font.scm. Urs Werner |
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