GNU bug report logs - #51556
29.0.50; Poor contrast of Customize SVG icons with dark backgrounds

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From: Jim Porter <jporterbugs <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>, Kévin Le Gouguec <kevin.legouguec <at> gmail.com>
Cc: 51556 <at> debbugs.gnu.org
Subject: bug#51556: 29.0.50; Poor contrast of Customize SVG icons with dark backgrounds
Date: Mon, 1 Nov 2021 13:49:40 -0700

On 11/1/2021 12:14 PM, Eli Zaretskii wrote:
>> From: Kévin Le Gouguec <kevin.legouguec <at> gmail.com>
>> Date: Mon, 01 Nov 2021 18:56:13 +0100
>>
>> On darker themes (e.g. modus-vivendi), the Customize SVG icons
>> (etc/images/right.svg and etc/images/down.svg) are not very visible, due
>> to the poor contrast between their fill color (#2e3436) and dark
>> backgrounds[1].
> 
> That's for the themes to resolve, isn't it?  They could supply their
> own icons, because only they know which colors will go well with the
> theme's colors.

The method suggested in the original report (see below) would allow for 
themes to do this by customizing the appropriate face, wouldn't it? That 
seems like a simpler way for themes to apply the appropriate colors.

As someone developing a dark Emacs theme, I think this would be a 
welcome improvement.

On 11/1/2021 10:56 AM, Kévin Le Gouguec wrote:
> A quick dive into widget-create-child-and-convert (down to
> widget-image-insert) suggests that there's no way to tell widget.el to
> slap a face onto an image; perhaps a new keyword could be added to that
> effect?
>
> Then we could add a face that (1) could preserve the original color
> (#2e3436) for light backgrounds (2) be set to something more reasonable
> for dark backgrounds (3) be themed.

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