GNU bug report logs - #62994
Support styled underlines on TTY frames

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Message #196 received at 62994 <at> debbugs.gnu.org (full text, mbox):

From: Jim Porter <jporterbugs <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>, Po Lu <luangruo <at> yahoo.com>
Cc: mohkale <at> kisara.moe, 62994 <at> debbugs.gnu.org
Subject: Re: bug#62994: [PATCH v7] Add support for colored and styled
 underlines on tty frames
Date: Mon, 22 Apr 2024 10:35:57 -0700

On 4/21/2024 11:01 PM, Eli Zaretskii wrote:
>> Cc: 62994 <at> debbugs.gnu.org
>> Date: Mon, 22 Apr 2024 08:44:15 +0800
>> From:  Po Lu via "Bug reports for GNU Emacs,
>>   the Swiss army knife of text editors" <bug-gnu-emacs <at> gnu.org>
>>
>> This change should be accompanied by like updates to *_draw_glyph_string
>> and related functions in the remaining terminal backends.
> 
> I believe Jim Porter wanted to work on that.  Jim, have you made any
> progress in this matter?

I spent some time looking at it, and I have what I think would be a 
reasonable path forward. Essentially, make a more-generalized form of 
'x_draw_underwave' that can draw a tiled 1-bit image for the underline, 
and then pass the image data in as an argument. That would keep the code 
duplication to a minimum.

I haven't gotten a working implementation of this idea yet though, since 
I've been very busy with non-Emacs things. If someone else is itching to 
work on this, go for it. Otherwise, I should have a lot more free time 
by May.

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