Received: (at 77841) by debbugs.gnu.org; 17 Apr 2025 11:23:53 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Thu Apr 17 07:23:53 2025 Received: from localhost ([127.0.0.1]:46015 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1u5NLU-0007Iz-K1 for submit <at> debbugs.gnu.org; Thu, 17 Apr 2025 07:23:52 -0400 Received: from ledu-giraud.fr ([51.159.28.247]:36525) by debbugs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.84_2) (envelope-from <manuel@HIDDEN>) id 1u5NLQ-0007IJ-LN for 77841 <at> debbugs.gnu.org; Thu, 17 Apr 2025 07:23:50 -0400 DKIM-Signature: v=1; a=ed25519-sha256; c=simple/simple; s=ed25519; bh=Odns9EKh jKFe5mvvpRIzrVLG2tVizyezOC5CpB26Oaw=; h=date:references:in-reply-to: subject:cc:to:from; d=ledu-giraud.fr; b=RXt1L/4vRUk1v2ymez9uomKPHBtLWX MYyUomZLqp2uNqot7/HuB5LsPlteW05iLUc/34XrRDZNhWesTuTVcyCQ== DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; s=rsa; bh=Odns9EKhjKFe5mvv pRIzrVLG2tVizyezOC5CpB26Oaw=; h=date:references:in-reply-to:subject: cc:to:from; d=ledu-giraud.fr; b=amdQyZ1rRuHTH4c0VUaklGWLaurAlre0M2+LFb KusnKxBlaD/vorjtIy8oQNpU9yoCleLvOa+pbKHirGp4TD3kj7jixEjEiQj8guoVUDmkI3 U8Sw0y1sua75pm9zv6VPoEKX1RUv7iP/n68Ez6poHDee3g3jg1S983J7xQIK6jGp+4S41F +vuYlm/MVU+GLTvcy0AicH38fq1wm0FXKMM4yg2QZrfymdMqM0sLv8uJRZryysrZcfiOB/ PLzf5nuwSsi2ecCDvCmdp+D8SP86rrDsdDcDlKtxMpBezN6HbeYseWgRM3EMscs6/oDV1U +CiznYN/EXPgcfmh3DPKsj3Q== Received: from computer (<unknown> [10.1.1.1]) by ledu-giraud.fr (OpenSMTPD) with ESMTPSA id fd089c4c (TLSv1.3:TLS_AES_256_GCM_SHA384:256:NO); Thu, 17 Apr 2025 13:23:45 +0200 (CEST) From: Manuel Giraud <manuel@HIDDEN> To: Lei Billy <LeiYiXia29@HIDDEN> Subject: Re: bug#77841: Some svg image's black color is replaced by emacs's theme foreground color In-Reply-To: <SY7P300MB0734A76BD7776C34A561CDA7D7BC2@HIDDEN> References: <SY7P300MB07347CC88D7ABD94F72575EED7B32@HIDDEN> <SY7P300MB0734287FC9582B87929FE366D7BD2@HIDDEN> <86a58gfeqb.fsf@HIDDEN> <Z__ZUSdXGDRHvqBi@HIDDEN> <SY7P300MB0734A76BD7776C34A561CDA7D7BC2@HIDDEN> Date: Thu, 17 Apr 2025 13:23:44 +0200 Message-ID: <87v7r3f2v3.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 77841 Cc: Alan Third <alan@HIDDEN>, "77841 <at> debbugs.gnu.org" <77841 <at> debbugs.gnu.org>, Eli Zaretskii <eliz@HIDDEN> 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: -1.0 (-) Lei Billy <LeiYiXia29@HIDDEN> writes: > Does emacs exists some options that can be customized to make svg > image spec use black as the foreground color by default? IMO users > should be able to change this behavior, so that emacs can be > compatible with svg images that don't set the #000000 color > explicitly. I don't think there is an option for this but FWIW, DocView (when producing SVG) does exactly this with its own face (`doc-view-svg-face') that forces black on white by default. -- Manuel Giraud
bug-gnu-emacs@HIDDEN:bug#77841; Package emacs.
Full text available.Received: (at 77841) by debbugs.gnu.org; 17 Apr 2025 10:59:38 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Thu Apr 17 06:59:37 2025 Received: from localhost ([127.0.0.1]:45957 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1u5My1-0004B4-F6 for submit <at> debbugs.gnu.org; Thu, 17 Apr 2025 06:59:37 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:35180) by debbugs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1u5Mxw-00049n-2v for 77841 <at> debbugs.gnu.org; Thu, 17 Apr 2025 06:59:34 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1u5Mxo-0004d0-SO; Thu, 17 Apr 2025 06:59:24 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=f9XxzLfcOWYolIsy6nPmqrDNsJ//GkKXc+WfuiuuRmA=; b=cO7YIuBJWd7F /ZkOQ/RMS/puhVYh8sIE9spmMWqlvomuONxyt58fIvoEIrXZ3hG/rkPSYWXjHkZjA063pzLUNkkK6 mB/LQUt86BX9uf9a5S5GxkWMjDNTSmnSAxn6zdOQ/+Oof1xYftH5i/PyYjJyJoGaWTCrZOgYGAbss VI7TrVbuO4Uav15RGMNBksSsA6JcdUleXdRWWxJwlgyp5Z8IjJghjnQmDkGtT65OOXIa901HCZcQ5 NznDxvp7Nu2RMx9OVuhDLGy96CvEVy/6FQArVK7QzI3ds2heFUzyRL8VEUkBgBmuTDM5kP5f5Db/T kk4uFFaF2RxCQxge9Qr+4Q==; Date: Thu, 17 Apr 2025 13:59:21 +0300 Message-Id: <86cydbdpfa.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Lei Billy <LeiYiXia29@HIDDEN> In-Reply-To: <SY7P300MB0734A76BD7776C34A561CDA7D7BC2@HIDDEN> (message from Lei Billy on Thu, 17 Apr 2025 10:16:48 +0000) Subject: Re: bug#77841: Some svg image's black color is replaced by emacs's theme foreground color References: <SY7P300MB07347CC88D7ABD94F72575EED7B32@HIDDEN> <SY7P300MB0734287FC9582B87929FE366D7BD2@HIDDEN> <86a58gfeqb.fsf@HIDDEN> <Z__ZUSdXGDRHvqBi@HIDDEN> <SY7P300MB0734A76BD7776C34A561CDA7D7BC2@HIDDEN> X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 77841 Cc: alan@HIDDEN, 77841 <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: -3.3 (---) > From: Lei Billy <LeiYiXia29@HIDDEN> > CC: Eli Zaretskii <eliz@HIDDEN>, "77841 <at> debbugs.gnu.org" > <77841 <at> debbugs.gnu.org> > Date: Thu, 17 Apr 2025 10:16:48 +0000 > > Does emacs exists some options that can be customized to make svg image spec use black as the foreground color by default? IMO users should be able to change this behavior, so that emacs can be compatible with svg images that don't set the #000000 color explicitly. I don't understand why you say this. Emacs behaves with SVG images as it does with text: the colors of the face override the default colors. IOW, it's a feature, not a bug. As Alan says, images that want to display specific colors should specify that in the image spec.
bug-gnu-emacs@HIDDEN:bug#77841; Package emacs.
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Thu, 17 Apr 2025 10:16:49 +0000 Received: from SY7P300MB0734.AUSP300.PROD.OUTLOOK.COM ([fe80::c7be:a528:cfce:c0e5]) by SY7P300MB0734.AUSP300.PROD.OUTLOOK.COM ([fe80::c7be:a528:cfce:c0e5%5]) with mapi id 15.20.8632.035; Thu, 17 Apr 2025 10:16:49 +0000 From: Lei Billy <LeiYiXia29@HIDDEN> To: Alan Third <alan@HIDDEN> Subject: Re: bug#77841: Some svg image's black color is replaced by emacs's theme foreground color Thread-Topic: bug#77841: Some svg image's black color is replaced by emacs's theme foreground color Thread-Index: AQHbrshz7OISAbKcYk2YxpKvccOHNLOmQA7hgAA57oCAASwaEQ== Date: Thu, 17 Apr 2025 10:16:48 +0000 Message-ID: <SY7P300MB0734A76BD7776C34A561CDA7D7BC2@HIDDEN> References: <SY7P300MB07347CC88D7ABD94F72575EED7B32@HIDDEN> <SY7P300MB0734287FC9582B87929FE366D7BD2@HIDDEN> <86a58gfeqb.fsf@HIDDEN> <Z__ZUSdXGDRHvqBi@HIDDEN> In-Reply-To: <Z__ZUSdXGDRHvqBi@HIDDEN> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-publictraffictype: Email x-ms-traffictypediagnostic: SY7P300MB0734:EE_|SY0P300MB0195:EE_ x-ms-office365-filtering-correlation-id: 66097b53-0851-40e1-e84d-08dd7d98f701 x-microsoft-antispam: BCL:0; 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bug-gnu-emacs@HIDDEN:bug#77841; Package emacs.
Full text available.Received: (at 77841) by debbugs.gnu.org; 16 Apr 2025 16:23:03 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Wed Apr 16 12:23:02 2025 Received: from localhost ([127.0.0.1]:40790 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1u55XN-0006xz-Br for submit <at> debbugs.gnu.org; Wed, 16 Apr 2025 12:23:01 -0400 Received: from dane.soverin.net ([185.233.34.25]:35517) by debbugs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.84_2) (envelope-from <alan@HIDDEN>) id 1u55XF-0006w4-Ge for 77841 <at> debbugs.gnu.org; Wed, 16 Apr 2025 12:22:53 -0400 Received: from smtp.soverin.net (c04smtp-lb01.int.sover.in [10.10.4.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by dane.soverin.net (Postfix) with ESMTPS id 4Zd5sZ3MFlzygp; Wed, 16 Apr 2025 16:22:42 +0000 (UTC) Received: from smtp.soverin.net (smtp.soverin.net [10.10.4.100]) by soverin.net (Postfix) with ESMTPSA id 4Zd5sZ09wzzPn; Wed, 16 Apr 2025 16:22:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=idiocy.org; s=soverin; t=1744820562; bh=W+6IQJaukNEWj3oRqUyyQ6LhSIt5H0BZDdK+2vdS8C8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=b8lGZGAfRnif/Tz1JD5jU4Bb6MFVqCO7lk21ja7Fqai+31H/b5FSs99h8HzDodRmO nAOC2mLGqbwHuZPu6w8VFGU0xo3tSTdkfRF+GvJtyCv341vN6hZvsMRwsmprhfnmWq SjHC3lz1MWjqbO/T550Lb3XY16PAPjyAt/i45pqbRxW3cWligC82MZyie724avxiqb XnweFpelAUyk2vBZsVhLabP9lcsnr7pjka6epISfAJkfGDn+YTsydKFtdp975aeZIe rQf86+h6u6wB3SiojpkvzC6sYBiF1vud1I1hrlslqPedIpRR6dPAHok2WO++woIAbX jUt70korwAMBg== X-CM-Envelope: MS4xfDVnATtr9WQbhEV8uYoIeGm+R0snnqje3ID6YL+ZayH/kUtSyBDA/0mG7gHLbhl1Plbmde6RZjpw0DPg6YGrxhcwBUBesyjCCUxVvbhN0wd+U3iEtbLT In34ehh1Z/rO+CA10zludjreWfravnfs0Er38j6pvw9/C5oAWNZFZtgA4YoxLE2fWryFS7u8DnSt1Y0OxpSKbYm723cvDV8qUA+peeh+7F6srC42+x7A7GCp jbcO7iIam5M22qFh+MduksgOctz4YRlZMBUa9+36XqI= X-CM-Analysis: v=2.4 cv=UsCZN/wB c=1 sm=1 tr=0 ts=67ffd952 a=UbsBXRcqaZ6D9kgPt/Dvnw==:617 a=xqWC_Br6kY4A:10 a=kj9zAlcOel0A:10 a=XR8D0OoHHMoA:10 a=NjIK7znJAAAA:8 a=pGLkceISAAAA:8 a=3GbmggnxAAAA:8 a=fQzo7n-KAAAA:8 a=UqCG9HQmAAAA:8 a=f-fwhE4t8UmNLI6bOb0A:9 a=CjuIK1q_8ugA:10 a=O1c1nmEkCxIQdeELtU9r:22 a=f5SRDymMBvdfSkcBiS2K:22 a=9MSFP0l5Dcwi9NrB_JPx:22 Received: from localhost (faroe.holly.idiocy.org [local]) by faroe.holly.idiocy.org (OpenSMTPD) with ESMTPA id 8f7179e6; Wed, 16 Apr 2025 16:22:41 +0000 (UTC) Date: Wed, 16 Apr 2025 17:22:41 +0100 From: Alan Third <alan@HIDDEN> To: Eli Zaretskii <eliz@HIDDEN> Subject: Re: bug#77841: Some svg image's black color is replaced by emacs's theme foreground color Message-ID: <Z__ZUSdXGDRHvqBi@HIDDEN> Mail-Followup-To: Alan Third <alan@HIDDEN>, Eli Zaretskii <eliz@HIDDEN>, Billy Lei <LeiYiXia29@HIDDEN>, 77841 <at> debbugs.gnu.org References: <SY7P300MB07347CC88D7ABD94F72575EED7B32@HIDDEN> <SY7P300MB0734287FC9582B87929FE366D7BD2@HIDDEN> <86a58gfeqb.fsf@HIDDEN> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <86a58gfeqb.fsf@HIDDEN> X-Spampanel-Class: ham X-Spam-Score: -0.7 (/) X-Debbugs-Envelope-To: 77841 Cc: 77841 <at> debbugs.gnu.org, Billy Lei <LeiYiXia29@HIDDEN> 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: -1.7 (-) On Wed, Apr 16, 2025 at 03:55:08PM +0300, Eli Zaretskii wrote: > > Date: Wed, 16 Apr 2025 20:09:46 +0800 > > From: Billy Lei <LeiYiXia29@HIDDEN> > > > > I found this issue when debugging org LaTeX preview, see > > https://list.orgmode.org/87cydchjqn.fsf@HIDDEN/T/#ed7ba8310f82e8be8a2e7360df1568ed485434df3 > > > > > When using themes with background color set to #000000, and org-preview-default-process is set to dvisvgm, the LaTeX fragments are displayed incorrectly. > > > > > > To reduplicate: > > > > > > 1. Switch to a theme with background color set to #000000 (like Modus Vivendi) > > > 2. Set org-preview-default-latex-process to dvisvgm > > > 3. Create an org-mode document. Write some LaTeX fragment and press C-c C-x C-l to preview LaTeX fragment. > > > 4. The LaTeX preview is displayed as a white rectangle. > > > > > > After debugging, I found that it is because dvisvgm omitts the default #000 color value when generating SVG file, and emacs has a unique way of displaying the SVG, which caused foreground color to be applied to it. > > > > > > A solution is to change org-format-latex-options to use transparent background by default. I've attached this fix. > > > > It turned out that emacs displays svg images differently compared to an > > image viewer. I can reduplicate this issue when I use emacs to view this > > svg image, which emacs replaces the image's black color with the current > > theme's foreground color: > > > > https://commons.wikimedia.org/wiki/File:Flag_of_the_German_Democratic_Republic.svg > > > > See also (Chinese): https://emacs-china.org/t/emacs-30-1-svg/29217 > > Yes, this is a feature. I think to disable it, you need to include a > :background setting in the image spec. Alan, am I right? Yes, but in this particular case :foreground, probably. This behaviour is documented in the elisp manual under "SVG Images" and is intended to make it easier to insert images into buffers so they look like native widgets and the like. We only set the default foreground and background colours, we don't override explicitly set colours. The easiest work-around for someone generating an SVG for display in Emacs is to just not set foreground and background colours at all, and then they'll both match the current theme (and also work correctly in web browsers). (IMHO if an SVG needs a specific colour, like the black in the German flag above, it should be setting the colour explicitly, rather than relying on the image viewer's default settings.) -- Alan Third
bug-gnu-emacs@HIDDEN:bug#77841; Package emacs.
Full text available.Received: (at 77841) by debbugs.gnu.org; 16 Apr 2025 12:55:25 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Wed Apr 16 08:55:25 2025 Received: from localhost ([127.0.0.1]:36692 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1u52IW-0007lO-4Q for submit <at> debbugs.gnu.org; Wed, 16 Apr 2025 08:55:25 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:48794) by debbugs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1u52IS-0007kL-Q4 for 77841 <at> debbugs.gnu.org; Wed, 16 Apr 2025 08:55:22 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1u52IM-0003Uo-2m; Wed, 16 Apr 2025 08:55:14 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=qQlrKkqzF3nnY3gniHNIujigIi67yq+hkdTcndDZcNQ=; b=Pp1vj3UdhtVZ 0gRAJWLnTYdP2L8MbJx/daB2nHvKWKCSjdT8allguWuYx5h8TA1QezYJC68vWO8sEXF2RxDzGIqzR gAsg7Cfmz1O0Dv4DAzAlqNVq4M+1mkaSb72mx838nvOcxU1vTCrkl62scUwMi9sIvPfxU1PvhH25W RSS51rCUdgrHtaea0Z2TPaSzGA9SwC6PkeSeUKphLjd34n0/LPJDufcX4RGRm442k8k2j4wC9ZqTX b/Nw/FdrvUW/sqyPQRdCWPeGCGKxnYwFutWQbYQExo80kAHDVcuy8UvCLswO/HwipWVc73HWN/sbi 0wR6b4+r+rr018QY8o1YRQ==; Date: Wed, 16 Apr 2025 15:55:08 +0300 Message-Id: <86a58gfeqb.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Billy Lei <LeiYiXia29@HIDDEN>, Alan Third <alan@HIDDEN> In-Reply-To: <SY7P300MB0734287FC9582B87929FE366D7BD2@HIDDEN> (message from Billy Lei on Wed, 16 Apr 2025 20:09:46 +0800) Subject: Re: bug#77841: Some svg image's black color is replaced by emacs's theme foreground color References: <SY7P300MB07347CC88D7ABD94F72575EED7B32@HIDDEN> <SY7P300MB0734287FC9582B87929FE366D7BD2@HIDDEN> X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 77841 Cc: 77841 <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: -3.3 (---) > Date: Wed, 16 Apr 2025 20:09:46 +0800 > From: Billy Lei <LeiYiXia29@HIDDEN> > > I found this issue when debugging org LaTeX preview, see > https://list.orgmode.org/87cydchjqn.fsf@HIDDEN/T/#ed7ba8310f82e8be8a2e7360df1568ed485434df3 > > > When using themes with background color set to #000000, and org-preview-default-process is set to dvisvgm, the LaTeX fragments are displayed incorrectly. > > > > To reduplicate: > > > > 1. Switch to a theme with background color set to #000000 (like Modus Vivendi) > > 2. Set org-preview-default-latex-process to dvisvgm > > 3. Create an org-mode document. Write some LaTeX fragment and press C-c C-x C-l to preview LaTeX fragment. > > 4. The LaTeX preview is displayed as a white rectangle. > > > > After debugging, I found that it is because dvisvgm omitts the default #000 color value when generating SVG file, and emacs has a unique way of displaying the SVG, which caused foreground color to be applied to it. > > > > A solution is to change org-format-latex-options to use transparent background by default. I've attached this fix. > > It turned out that emacs displays svg images differently compared to an > image viewer. I can reduplicate this issue when I use emacs to view this > svg image, which emacs replaces the image's black color with the current > theme's foreground color: > > https://commons.wikimedia.org/wiki/File:Flag_of_the_German_Democratic_Republic.svg > > See also (Chinese): https://emacs-china.org/t/emacs-30-1-svg/29217 Yes, this is a feature. I think to disable it, you need to include a :background setting in the image spec. Alan, am I right?
bug-gnu-emacs@HIDDEN:bug#77841; Package emacs.
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The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: I found this issue when debugging org LaTeX preview, see > When using themes with background color set to #000000, and org-preview-default-process is set to dvisvgm, the LaTeX fragments are displayed incorrectly. > > To reduplicate: > > 1. Switch to a theme [...] Content analysis details: (1.2 points, 10.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- 0.2 FREEMAIL_ENVFROM_END_DIGIT Envelope-from freemail username ends in digit (leiyixia29[at]outlook.com) 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (leiyixia29[at]outlook.com) 1.0 SPF_SOFTFAIL SPF: sender does not match SPF record (softfail) -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2001:470:142:0:0:0:0:17 listed in] [list.dnswl.org] X-Debbugs-Envelope-To: submit 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: 0.2 (/) I found this issue when debugging org LaTeX preview, see https://list.orgmode.org/87cydchjqn.fsf@HIDDEN/T/#ed7ba8310f82e8be8a2e7360df1568ed485434df3 > When using themes with background color set to #000000, and org-preview-default-process is set to dvisvgm, the LaTeX fragments are displayed incorrectly. > > To reduplicate: > > 1. Switch to a theme with background color set to #000000 (like Modus Vivendi) > 2. Set org-preview-default-latex-process to dvisvgm > 3. Create an org-mode document. Write some LaTeX fragment and press C-c C-x C-l to preview LaTeX fragment. > 4. The LaTeX preview is displayed as a white rectangle. > > After debugging, I found that it is because dvisvgm omitts the default #000 color value when generating SVG file, and emacs has a unique way of displaying the SVG, which caused foreground color to be applied to it. > > A solution is to change org-format-latex-options to use transparent background by default. I've attached this fix. It turned out that emacs displays svg images differently compared to an image viewer. I can reduplicate this issue when I use emacs to view this svg image, which emacs replaces the image's black color with the current theme's foreground color: https://commons.wikimedia.org/wiki/File:Flag_of_the_German_Democratic_Republic.svg See also (Chinese): https://emacs-china.org/t/emacs-30-1-svg/29217
Billy Lei <LeiYiXia29@HIDDEN>:bug-gnu-emacs@HIDDEN.
Full text available.bug-gnu-emacs@HIDDEN:bug#77841; Package emacs.
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