[off topic] On browser redering

Omar Polo op at omarpolo.com
Wed Sep 1 15:05:33 BST 2021


On 1 September 2021 14:24:58 CEST, defdefred <defdefred at protonmail.com> wrote:
>> this smell like a XY problem, are you experiencing issues with your preferred browser?  Let the author know!
>
>No...but sometime browsing the web, blog are displayed with temporary font and after a while correct font are applied and every thing is moving on the screen... Look annoying to me :-)
>
>For Gemini, could also be a way to fake partial refresh of the screen...
>
>freD
>‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
>
>On Wednesday, September 1st, 2021 at 12:53, Omar Polo <op at omarpolo.com> wrote:
>
>> On 1 September 2021 10:35:45 CEST, defdefred defdefred at protonmail.com wrote:
>>
>> > Just thinking...
>> >
>> > Is it possible to render the browser in a "double buffer" way like in games to avoid apparent partial refresh?
>> >
>> > freD.
>>
>> this smell like a XY problem, are you experiencing issues with your preferred browser? Let the author know!
>>
>> but to reply to original question anyway, I think all current browsers have a mechanism like that. Even ncurses application have an internal buffer used before outputting to the screen, which acts in fact like a double buffer.
>> -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>>
>> Sent from my Android device with K-9 Mail. Please excuse my brevity.

that's called FOUT (flash of unstyled text) and it's because the browser uses a font to render the page, but then switches to the custom font specified with CSS and has to re-render all the text.

This is not the only issues with custom fonts on the web, and it's not something that will affect gemini because the author of the document can't decide the styling :)
-- 
Sent from my Android device with K-9 Mail. Please excuse my brevity.


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