GNU bug report logs - #24175
artist mode rectangle shows ugly in Emacs

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Dean Chen <dean.chen <at> graphsql.com>
To: bug-gnu-emacs <at> gnu.org
Subject: artist mode rectangle shows ugly in Emacs
Date: Sun, 7 Aug 2016 13:22:12 +0800

[Message part 1 (text/plain, inline)]

Hi,
  I am trying draw rectangle today in Emacs with artist mode. It looks
weird, see following screenshot.
[image: Inline image 1]

  But if I open this text file with chromium browser instead of emacs, it
looks normally. I guess the way that Emacs render this rectangle has a bug.


+---------------------------------------------+
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              |

+---------------------------------------------+


My OS is archlinux, Emacs version is 24.5.1. My laptop is Dell XPS 13 and
display resolution is 1920 * 1080.


-- 
Best Regards!
Dean Chen

+86 18652581062
GraphSQL Inc.

[Message part 2 (text/html, inline)]

[image.png (image/png, inline)]

Message #8 received at 24175 <at> debbugs.gnu.org (full text, mbox):

From: Dean Chen <dean.chen <at> graphsql.com>
To: 24175 <at> debbugs.gnu.org
Subject: Re: bug#24175: artist mode rectangle shows ugly in Emacs
Date: Sun, 7 Aug 2016 18:06:52 +0800

[Message part 1 (text/plain, inline)]

for 1 question,

I use M-x describe-font, press Enter after mini buffer shows: Font
name(default current choice for ASCII chars).
Get the following info:

name (opened by):
-DAMA-Ubuntu-normal-normal-normal-*-17-*-*-*-*-0-iso10646-1
       full name:
Ubuntu:pixelsize=17:foundry=DAMA:weight=normal:slant=normal:width=normal:scalable=true
            size: 17
          height: 19
 baseline-offset:  0
relative-compose:  0

Also try to evaluate the expression in eshell, get the same result.

~ $ (face-attribute 'default :font)
#<font-object "-DAMA-Ubuntu-normal-normal-normal-*-17-*-*-*-*-0-iso10646-1">


for 2 question, please see the following screenshot, after C-u C-x RET,
mini buffer shows C-u C-x RET-
[image: Inline image 1]


-- 
Best Regards!
Dean Chen

+86 18652581062
GraphSQL Inc.

[Message part 2 (text/html, inline)]

[image.png (image/png, inline)]

Message #11 received at 24175 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Dean Chen <dean.chen <at> graphsql.com>
Cc: 24175 <at> debbugs.gnu.org
Subject: Re: bug#24175: artist mode rectangle shows ugly in Emacs
Date: Sun, 07 Aug 2016 17:00:55 +0300

> From: Dean Chen <dean.chen <at> graphsql.com>
> Date: Sun, 7 Aug 2016 13:22:12 +0800
> 
> I am trying draw rectangle today in Emacs with artist mode. It looks weird, see following screenshot.
> Inline image 1
> 
> But if I open this text file with chromium browser instead of emacs, it looks normally. I guess the way that
> Emacs render this rectangle has a bug.

I think the problem is that your default font is a proportional one.
You should use a fixed-pitch font when you work with artist mode.

Message #14 received at 24175 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: Dean Chen <dean.chen <at> graphsql.com>, 24175 <at> debbugs.gnu.org
Subject: Re: bug#24175: artist mode rectangle shows ugly in Emacs
Date: Mon, 16 Apr 2018 01:15:15 +0200

Eli Zaretskii <eliz <at> gnu.org> writes:

>> From: Dean Chen <dean.chen <at> graphsql.com>
>> Date: Sun, 7 Aug 2016 13:22:12 +0800
>> 
>> I am trying draw rectangle today in Emacs with artist mode. It looks weird, see following screenshot.
>> Inline image 1
>> 
>> But if I open this text file with chromium browser instead of emacs, it looks normally. I guess the way that
>> Emacs render this rectangle has a bug.
>
> I think the problem is that your default font is a proportional one.
> You should use a fixed-pitch font when you work with artist mode.

Should artist-mode perhaps error out if the default font is a
proportional font?

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

Message #17 received at 24175 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: dean.chen <at> graphsql.com, 24175 <at> debbugs.gnu.org
Subject: Re: bug#24175: artist mode rectangle shows ugly in Emacs
Date: Mon, 16 Apr 2018 21:18:37 +0300

> From: Lars Ingebrigtsen <larsi <at> gnus.org>
> Cc: Dean Chen <dean.chen <at> graphsql.com>,  24175 <at> debbugs.gnu.org
> Date: Mon, 16 Apr 2018 01:15:15 +0200
> 
> Eli Zaretskii <eliz <at> gnu.org> writes:
> 
> >> From: Dean Chen <dean.chen <at> graphsql.com>
> >> Date: Sun, 7 Aug 2016 13:22:12 +0800
> >> 
> >> I am trying draw rectangle today in Emacs with artist mode. It looks weird, see following screenshot.
> >> Inline image 1
> >> 
> >> But if I open this text file with chromium browser instead of emacs, it looks normally. I guess the way that
> >> Emacs render this rectangle has a bug.
> >
> > I think the problem is that your default font is a proportional one.
> > You should use a fixed-pitch font when you work with artist mode.
> 
> Should artist-mode perhaps error out if the default font is a
> proportional font?

Not sure about erroring out, but a warning might be a good idea.

Message #20 received at 24175 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: dean.chen <at> graphsql.com, 24175 <at> debbugs.gnu.org
Subject: Re: bug#24175: artist mode rectangle shows ugly in Emacs
Date: Mon, 16 Apr 2018 21:20:17 +0200

Eli Zaretskii <eliz <at> gnu.org> writes:

> Not sure about erroring out, but a warning might be a good idea.

I've now done so.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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