Received: (at 26958) by debbugs.gnu.org; 19 May 2017 07:18:46 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Fri May 19 03:18:46 2017 Received: from localhost ([127.0.0.1]:54300 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1dBcBS-0006Og-0a for submit <at> debbugs.gnu.org; Fri, 19 May 2017 03:18:46 -0400 Received: from eggs.gnu.org ([208.118.235.92]:53603) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1dBcBQ-0006OU-FO for 26958 <at> debbugs.gnu.org; Fri, 19 May 2017 03:18:45 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from <eliz@HIDDEN>) id 1dBcBI-0007ac-9m for 26958 <at> debbugs.gnu.org; Fri, 19 May 2017 03:18:39 -0400 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_50,RP_MATCHES_RCVD autolearn=disabled version=3.3.2 Received: from fencepost.gnu.org ([2001:4830:134:3::e]:39344) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from <eliz@HIDDEN>) id 1dBcBI-0007aY-6O; Fri, 19 May 2017 03:18:36 -0400 Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:3267 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from <eliz@HIDDEN>) id 1dBcBH-000120-Do; Fri, 19 May 2017 03:18:35 -0400 Date: Fri, 19 May 2017 10:18:30 +0300 Message-Id: <8360gx48mx.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: =?utf-8?Q?Cl=C3=A9ment?= Pit--Claudel <clement.pitclaudel@HIDDEN> In-reply-to: <91ab653c-1677-0eef-b038-f79c58378c1c@HIDDEN> (message from =?utf-8?Q?Cl=C3=A9ment?= Pit--Claudel on Wed, 17 May 2017 15:38:32 -0400) Subject: Re: bug#26958: Can we make wavy underlines scale like straight ones? References: <2751b56b-c419-8ad9-c588-11186a86fb9e@HIDDEN> <83inkz5wyj.fsf@HIDDEN> <91ab653c-1677-0eef-b038-f79c58378c1c@HIDDEN> MIME-version: 1.0 Content-type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e X-Spam-Score: -5.0 (-----) X-Debbugs-Envelope-To: 26958 Cc: 26958 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Reply-To: Eli Zaretskii <eliz@HIDDEN> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -5.0 (-----) > Cc: 26958 <at> debbugs.gnu.org > From: Clément Pit--Claudel <clement.pitclaudel@HIDDEN> > Date: Wed, 17 May 2017 15:38:32 -0400 > > On 2017-05-17 11:23, Eli Zaretskii wrote: > >> For xterm.c, the relevant function seems to be x_draw_underwave. > > How about sending a patch? > > I had a quick look. The current code uses a loop and draws line segments between each of the underline points. > This strategy doesn't look as pretty when using a thicker line. Would it be OK to use XDrawLines instead? I don't think I understand your proposal, and I'm not an expert on X graphics anyway. How about presenting a patch that works for you?
bug-gnu-emacs@HIDDEN:bug#26958; Package emacs.
Full text available.Received: (at 26958) by debbugs.gnu.org; 17 May 2017 19:39:08 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Wed May 17 15:39:08 2017 Received: from localhost ([127.0.0.1]:51329 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1dB4mq-0005gO-0B for submit <at> debbugs.gnu.org; Wed, 17 May 2017 15:39:08 -0400 Received: from mout.kundenserver.de ([217.72.192.74]:52722) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <clement.pitclaudel@HIDDEN>) id 1dB4mo-0005fu-76 for 26958 <at> debbugs.gnu.org; Wed, 17 May 2017 15:39:07 -0400 Received: from [18.189.18.195] ([18.189.18.195]) by mrelayeu.kundenserver.de (mreue103 [212.227.15.184]) with ESMTPSA (Nemesis) id 0MPrBi-1d7F1l0oU6-0054li; Wed, 17 May 2017 21:38:59 +0200 Subject: Re: bug#26958: Can we make wavy underlines scale like straight ones? To: Eli Zaretskii <eliz@HIDDEN> References: <2751b56b-c419-8ad9-c588-11186a86fb9e@HIDDEN> <83inkz5wyj.fsf@HIDDEN> From: =?UTF-8?Q?Cl=c3=a9ment_Pit--Claudel?= <clement.pitclaudel@HIDDEN> Message-ID: <91ab653c-1677-0eef-b038-f79c58378c1c@HIDDEN> Date: Wed, 17 May 2017 15:38:32 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.1.1 MIME-Version: 1.0 In-Reply-To: <83inkz5wyj.fsf@HIDDEN> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="qAhUSeCqfrPd9lA32aXJjpOuchDXc4v0l" X-Provags-ID: V03:K0:UhPiqVY0FGzkeBiqCG//NwbdkRvj01F+N62CtJ2ZgSFjmPJUt27 ey0b4W14uSf2vUEsMpAA1g0+DITpktCSEEROXP+9Dy2VB2iQtgoCYxI99pE2YPaal6KDs8k 3bLXLr+CqEfSirzR2FCKtcEL21lVEmk32nTgt89tta/XR8DmG5Y9cgsBc5KqxUj9EqjFaiM YGtpaeAwx2MNh6Wolgw5w== X-UI-Out-Filterresults: notjunk:1;V01:K0:EeSLqEVGiKU=:TlK3OgbM38ge1IxPwjhFLS v7O5h1HP3VJvjcxkQYl0admV9gxxUfYYKwRFhkpGyIY2EQXnxW+ZaB92M33ojmAxGI2pq7ZhJ s7+P0dWbq2lZoQDHsAZu8BRE2UVoyagL69gKSXZuTJrXynjwN/AKJZD53DCTYwW9EBGmmXQjq vUh2xYF7Tpl5RFGZNiDWJev6gFEvI75Uis3ca8H5tGJ7carazf6Nor6vPzqOUF7z6+R3igpwu tETB2e2VdtjHEBSB4G0mJ2G325B0/n+0MnENKij/yodiWx1lDTMydNGR9aLNY/YW519ScdfsG S408ZKDqyqvnRcUhIf2AvblZfcNg5ppe1Z3NVFtSrTYvWyJsBgfSGuAHKvubihzcf4pLcmQp1 F/l/No+IotE+YbL34JRPn5nbZyeJG1xrgt0hoyWWLGVzyqZgzejlic2jAXephZFf+vnm/iT4R 0V6axSW0HAjSvr5eGRc7Hap45L6z/SqKUA2SRyeLwCNAHOWwfI/CVCXZwiCFiwUgCLdOZS9sE fCUG1P7S00/Lb3WOazk0SIO9YDgGO2Bn9ZEGlM9gQtPWwuG2IDnpyfQzU5TDJ8Hj6jqce9CW+ ob23RXrwNb0KGpapJcYLdGyT06Qj6h5jWP1Eqf2VyK4lPhhsyyA22MC3zvOlU5bYaYQiHOIuv rDbA3V9uoXLeP+nvlnxUl5glGpfXZVnvoALXyDywmGPYNh9p9HYCuYGZ+P4dsJvxAeqM= X-Spam-Score: -1.3 (-) X-Debbugs-Envelope-To: 26958 Cc: 26958 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.3 (-) This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --qAhUSeCqfrPd9lA32aXJjpOuchDXc4v0l Content-Type: multipart/mixed; boundary="tXSIQOOLa5u6jMkcReMsnwwVQ5TCsH4Bv"; protected-headers="v1" From: =?UTF-8?Q?Cl=c3=a9ment_Pit--Claudel?= <clement.pitclaudel@HIDDEN> To: Eli Zaretskii <eliz@HIDDEN> Cc: 26958 <at> debbugs.gnu.org Message-ID: <91ab653c-1677-0eef-b038-f79c58378c1c@HIDDEN> Subject: Re: bug#26958: Can we make wavy underlines scale like straight ones? References: <2751b56b-c419-8ad9-c588-11186a86fb9e@HIDDEN> <83inkz5wyj.fsf@HIDDEN> In-Reply-To: <83inkz5wyj.fsf@HIDDEN> --tXSIQOOLa5u6jMkcReMsnwwVQ5TCsH4Bv Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: quoted-printable On 2017-05-17 11:23, Eli Zaretskii wrote: >> For xterm.c, the relevant function seems to be x_draw_underwave. > How about sending a patch? I had a quick look. The current code uses a loop and draws line segments = between each of the underline points. This strategy doesn't look as pretty when using a thicker line. Would it= be OK to use XDrawLines instead? 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bug-gnu-emacs@HIDDEN:bug#26958; Package emacs.
Full text available.Received: (at 26958) by debbugs.gnu.org; 17 May 2017 15:23:36 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Wed May 17 11:23:36 2017 Received: from localhost ([127.0.0.1]:51062 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1dB0nX-000863-Ub for submit <at> debbugs.gnu.org; Wed, 17 May 2017 11:23:36 -0400 Received: from eggs.gnu.org ([208.118.235.92]:42175) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1dB0nW-00085r-Jt for 26958 <at> debbugs.gnu.org; Wed, 17 May 2017 11:23:34 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from <eliz@HIDDEN>) id 1dB0nO-0008WN-0i for 26958 <at> debbugs.gnu.org; Wed, 17 May 2017 11:23:29 -0400 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_50,RP_MATCHES_RCVD autolearn=disabled version=3.3.2 Received: from fencepost.gnu.org ([2001:4830:134:3::e]:60545) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from <eliz@HIDDEN>) id 1dB0nN-0008WI-Te; Wed, 17 May 2017 11:23:25 -0400 Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:3840 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from <eliz@HIDDEN>) id 1dB0nN-0001dn-7q; Wed, 17 May 2017 11:23:25 -0400 Date: Wed, 17 May 2017 18:23:16 +0300 Message-Id: <83inkz5wyj.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: =?utf-8?Q?Cl=C3=A9ment?= Pit--Claudel <clement.pitclaudel@HIDDEN> In-reply-to: <2751b56b-c419-8ad9-c588-11186a86fb9e@HIDDEN> (message from =?utf-8?Q?Cl=C3=A9ment?= Pit--Claudel on Tue, 16 May 2017 23:47:48 -0400) Subject: Re: bug#26958: Can we make wavy underlines scale like straight ones? References: <2751b56b-c419-8ad9-c588-11186a86fb9e@HIDDEN> MIME-version: 1.0 Content-type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e X-Spam-Score: -5.0 (-----) X-Debbugs-Envelope-To: 26958 Cc: 26958 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Reply-To: Eli Zaretskii <eliz@HIDDEN> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -5.0 (-----) > From: Clément Pit--Claudel <clement.pitclaudel@HIDDEN> > Date: Tue, 16 May 2017 23:47:48 -0400 > > Straight underlines get thicker when font size increases That's not really accurate, see my other messages. > but wavy underlines do not. The problem is particularly visible on hi-resolution displays, where wavy underlines look really tiny. This problem can be observed on all displays by running the following and pressing C-x C-= a few times: > > (font-lock-mode -1) > (insert (propertize "AAAAA" 'face '(:underline (:style line))) > "\n" (propertize "AAAAA" 'face '(:underline (:style wave)))) > > I've seen the problem mentioned a few times online (https://emacs.stackexchange.com/questions/24713/change-size-of-wavy-underlines-for-hidpi-displays, https://www.reddit.com/r/emacs/comments/51wm7d/emacs_on_hidpi_displays/). > > For xterm.c, the relevant function seems to be x_draw_underwave. How about sending a patch? But I suggest to read about the related complications first, because I think this issue is not as simple as it sounds.
bug-gnu-emacs@HIDDEN:bug#26958; Package emacs.
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Subject: Re: bug#26958: Can we make wavy underlines scale like straight ones?
To: Drew Adams <drew.adams@HIDDEN>, 26958 <at> debbugs.gnu.org
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To: Drew Adams <drew.adams@HIDDEN>, 26958 <at> debbugs.gnu.org
Message-ID: <a043deca-ed80-2338-bc69-c58b3a6327f2@HIDDEN>
Subject: Re: bug#26958: Can we make wavy underlines scale like straight ones?
References: <2751b56b-c419-8ad9-c588-11186a86fb9e@HIDDEN>
<0f5ba7d0-ab89-448c-969f-cdfc6bd0ef50@default>
In-Reply-To: <0f5ba7d0-ab89-448c-969f-cdfc6bd0ef50@default>
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On 2017-05-17 00:14, Drew Adams wrote:
>> Straight underlines get thicker when font size increases, but wavy
>> underlines do not. The problem is particularly visible on hi-resoluti=
on
>> displays, where wavy underlines look really tiny. This problem can be
>> observed on all displays by running the following and pressing C-x C-=3D=
a few
>> times:
>>
>> (font-lock-mode -1)
>> (insert (propertize "AAAAA" 'face '(:underline (:style line)))
>> "\n" (propertize "AAAAA" 'face '(:underline (:style wave))))
>=20
> FWIW, on Windows I see neither straight nor wavy underline thicken.
> They both continue to have the same line width (thickness) when
> text-scaled.
>=20
> Should they not stay the same? Should they thicken? Why?
Thanks for the reply! They do scale in GNU/Linux; the code in xftfont say=
s:
font->underline_position =3D -ft_face->underline_position * size / =
upEM;
font->underline_thickness =3D ft_face->underline_thickness * size /=
upEM;
The corresponding code in w32font says:
font->underline_thickness =3D metrics->otmsUnderscoreSize;
font->underline_position =3D -metrics->otmsUnderscorePosition;
which might be missing the scaling?
> I'm not on a "highdpi", I imagine. But why should that make
> difference as to whether an underline should change thickness
> as the text is scaled?
That's the behavior I see on every other program that (I checked and that=
) supports underlines on my machine: Thunderbird (which also scales wavy =
underlines used to indicate spelling errors), Firefox, Chromium, and Libr=
e Office Writer (which used to not scale spell-checking underlines, thoug=
h this is partly fixed =E2=80=94 see bug 90793).
> What about :overline? It has no :wavy property, but should
> it too thicken when the text is scaled up?
>=20
> And :box? :box has a :line-width property. Is that relevant
> here? What should the behavior be for :box? What should it
> be for attributes such as :underline or :overline or
> :strike-through, which don't have a :line-width property?
>=20
> It doesn't seem as if the right design is obvious.
Judging by what web browsers do, they should all scale.
> Note that the first URL you cite does not ask necessarily for
> the wavy underline to scale. It explicitly asks about
> customizing to specify the line width.
>=20
> Maybe that's what the enhancement request should be: provide
> :line-width for :underline, like we do for :box. And perhaps
> for :overline and :strike-through?
I made a separate request for (a limited version of) this.
> The first question is whether such line widths should respond
> to scaling. Dunno.
I expect they should, based on looking at web browsers (and plenty of oth=
er programs =E2=80=94 including Emacs ^^ =C2=AD=E2=80=94 in the case of u=
nderlines). But it's not only a thickness issue: it's also a positioning=
issue (the relative space between the text and the underline should be c=
onstant).
Cl=C3=A9ment.
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bug-gnu-emacs@HIDDEN:bug#26958; Package emacs.
Full text available.Received: (at 26958) by debbugs.gnu.org; 17 May 2017 04:14:35 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Wed May 17 00:14:35 2017 Received: from localhost ([127.0.0.1]:49416 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1dAqM7-0003eK-C3 for submit <at> debbugs.gnu.org; Wed, 17 May 2017 00:14:35 -0400 Received: from userp1040.oracle.com ([156.151.31.81]:44848) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <drew.adams@HIDDEN>) id 1dAqM5-0003e5-OO for 26958 <at> debbugs.gnu.org; Wed, 17 May 2017 00:14:34 -0400 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id v4H4EQhk014274 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 17 May 2017 04:14:27 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0021.oracle.com (8.14.4/8.14.4) with ESMTP id v4H4EQ56027067 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 17 May 2017 04:14:26 GMT Received: from abhmp0014.oracle.com (abhmp0014.oracle.com [141.146.116.20]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id v4H4EQgQ020471; Wed, 17 May 2017 04:14:26 GMT MIME-Version: 1.0 Message-ID: <0f5ba7d0-ab89-448c-969f-cdfc6bd0ef50@default> Date: Tue, 16 May 2017 21:14:24 -0700 (PDT) From: Drew Adams <drew.adams@HIDDEN> To: =?utf-8?B?Q2zDqW1lbnQgUGl0LS1DbGF1ZGVs?= <clement.pitclaudel@HIDDEN>, 26958 <at> debbugs.gnu.org Subject: RE: bug#26958: Can we make wavy underlines scale like straight ones? References: <2751b56b-c419-8ad9-c588-11186a86fb9e@HIDDEN> In-Reply-To: <2751b56b-c419-8ad9-c588-11186a86fb9e@HIDDEN> X-Priority: 3 X-Mailer: Oracle Beehive Extensions for Outlook 2.0.1.9.1 (1003210) [OL 12.0.6767.5000 (x86)] Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 26958 X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -2.3 (--) > Straight underlines get thicker when font size increases, but wavy > underlines do not. The problem is particularly visible on hi-resolution > displays, where wavy underlines look really tiny. This problem can be > observed on all displays by running the following and pressing C-x C-=3D = a few > times: >=20 > (font-lock-mode -1) > (insert (propertize "AAAAA" 'face '(:underline (:style line))) > "\n" (propertize "AAAAA" 'face '(:underline (:style wave)))) FWIW, on Windows I see neither straight nor wavy underline thicken. They both continue to have the same line width (thickness) when text-scaled. Should they not stay the same? Should they thicken? Why? I'm not on a "highdpi", I imagine. But why should that make difference as to whether an underline should change thickness as the text is scaled? What about :overline? It has no :wavy property, but should it too thicken when the text is scaled up? And :box? :box has a :line-width property. Is that relevant here? What should the behavior be for :box? What should it be for attributes such as :underline or :overline or :strike-through, which don't have a :line-width property? It doesn't seem as if the right design is obvious. Note that the first URL you cite does not ask necessarily for the wavy underline to scale. It explicitly asks about customizing to specify the line width. Maybe that's what the enhancement request should be: provide :line-width for :underline, like we do for :box. And perhaps for :overline and :strike-through? The first question is whether such line widths should respond to scaling. Dunno.
bug-gnu-emacs@HIDDEN:bug#26958; Package emacs.
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From: =?UTF-8?Q?Cl=c3=a9ment_Pit--Claudel?= <clement.pitclaudel@HIDDEN>
Subject: Can we make wavy underlines scale like straight ones?
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From: =?UTF-8?Q?Cl=c3=a9ment_Pit--Claudel?= <clement.pitclaudel@HIDDEN>
To: bug-gnu-emacs@HIDDEN
Message-ID: <2751b56b-c419-8ad9-c588-11186a86fb9e@HIDDEN>
Subject: Can we make wavy underlines scale like straight ones?
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Hi bug-gnu-emacs,
Straight underlines get thicker when font size increases, but wavy underl=
ines do not. The problem is particularly visible on hi-resolution displa=
ys, where wavy underlines look really tiny. This problem can be observed =
on all displays by running the following and pressing C-x C-=3D a few tim=
es:
(font-lock-mode -1)
(insert (propertize "AAAAA" 'face '(:underline (:style line)))
"\n" (propertize "AAAAA" 'face '(:underline (:style wave))))
I've seen the problem mentioned a few times online (https://emacs.stackex=
change.com/questions/24713/change-size-of-wavy-underlines-for-hidpi-displ=
ays, https://www.reddit.com/r/emacs/comments/51wm7d/emacs_on_hidpi_displa=
ys/).
For xterm.c, the relevant function seems to be x_draw_underwave.
Thanks!
Cl=C3=A9ment.
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Clément Pit--Claudel <clement.pitclaudel@HIDDEN>:bug-gnu-emacs@HIDDEN.
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