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Re: problem with emoji

From: folkert
Subject: Re: problem with emoji
Date: Wed, 6 Feb 2019 11:39:24 +0100
User-agent: NeoMutt/20170306 (1.8.0)

> > It looks like printing UTF-8 emoji mangles the terminal when printed
> > from an ncurses application.
> > Situation is either putty on windows or gnome-terminal on linux,
> > problem
> > happens on both.
> Emoji are supposed to be rendered two character-cells wide. Looking at
> your screenshot, I notice that on the first line, two emojis have been
> replaced with single-cell boxes, and the alignment of that line is off
> by two. On the second line, one emoji has been replaced, and the
> alignment is off by one. The third line has four replacements and is
> off by four, etc.
> Given that ncurses knows nothing of fonts or replacement glyphs, it
> sounds like your terminals are predicting what the alignment *should*
> be, then asking the operating system to render the text and then
> blindly assuming the alignment was correct.
> For reference, here's a screenshot of your test-case being rendered
> correctly in gnome-terminal 3.30.2:
> https://imgur.com/a/0RPADnS

How did you accomplish that?

Folkert van Heusden

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