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https://issues.apache.org/jira/browse/PDFBOX-5219?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17365575#comment-17365575
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Tilman Hausherr commented on PDFBOX-5219:
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{quote}could you tell in what way they are not TrueType? I am not a font expert.
{quote}
Your own links say so. TrueType is a vector font format. These emoji fonts are
collections of PNGs.
There are fonts that support emojis, but these are in ONE color. I assume you'd
like colorful emojis like on your mobile phone.
So either use a vector font and get emojis as vectors (i.e. lines and curves),
or use images.
Supporting this new font format doesn't look like something we should do. When
generating PDFs, the typical usage is business. Emojis are fun stuff for social
networks and private mails.
> TTFParser can't parse font with legitimately no 'loca' table
> ------------------------------------------------------------
>
> Key: PDFBOX-5219
> URL: https://issues.apache.org/jira/browse/PDFBOX-5219
> Project: PDFBox
> Issue Type: Bug
> Components: FontBox, PDModel
> Affects Versions: 2.0.23
> Environment: ➜ uname -a
> Linux frenchfrie-pc 5.10.42-1-MANJARO #1 SMP PREEMPT Thu Jun 3 14:37:11 UTC
> 2021 x86_64 GNU/Linux
> Reporter: Frenchfrie
> Priority: Major
>
> Some fonts legitimately do not have a 'loca' table as specified in [Apple
> documentation|https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6loca.html]:
> ??The {{'loca'}} table only used with fonts that have TrueType outlines (that
> is, a [{{'glyf'}}
> table|https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6glyf.html]).
> Fonts that have no TrueType outlines do not require a {{'loca'}} table.??
> This has led to some misunderstanding in the NotoColorEmoji google font
> project as testified by those issues :
> [https://github.com/googlefonts/noto-emoji/issues/190]
> [https://github.com/googlefonts/noto-emoji/issues/288]
> Also reproduced with JoyPixels.ttf from [https://www.joypixels.com/]
> installed through [package
> manager|https://archlinux.org/packages/community/any/ttf-joypixels/].
>
> The TTFParser class just do not accept this font based on the absence of the
> 'loca' table and it can be verified with the simple test:
> {code:java}
> PDType0Font.load(doc, getClass().getResourceAsStream("NotoColorEmoji.ttf"),
> false);
> {code}
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