Re: Using images in tabs

[Clément Pit-Claudel]

On 2019-09-16 16:51, Juri Linkov wrote:
>>>>> I don't know if the patch to vertically center line content
>>>>> recently sent here by Jesse, could improve the look to align
>>>>> the button image to the center of the text line in tabs.
>>>>
>>>> The image used should be centered to begin with.  You could also try
>>>> playing with :ascent property of images.
>>>
>>> Thanks for the hint.  Using :ascent property with the center value
>>> on images solved the issue, so now tabs are more nice-looking:
>>
>> Do images also play nice with HiDPI?
> 
> I don't know, I'm using HiDPI and see no problems.  But maybe if
> someone prefers Double HiDPI with huge scaling, then we could provide
> larger images.  Is it possible to detect such scaling in Emacs?

Would using SVG be an option? I use SVG (with a fallback) in my packages when I 
support the tool-bar, and it works nicely wrt scaling.