m-khvoinitsky/dark-background-light-text-extension

Invert mode adding vertical offset when displaying an image

Closed this issue · 2 comments

eneiss commented

I noticed this bug a few weeks ago : whenever I display an image (JPG or PNG) in a Firefox tab using the "invert" mode of the add-on, it has a negative vertical offset hiding a part of it, but can't be scrolled. The offset seems to be so that only the lower half of the image is displayed.
This doesn't happen with the other modes, or when the add-on is disabled.

I am using Firefox 79.0 (64 bits), on Windows 10, and the 0.7.2 release of the add-on.

Screenshots of the issue :

Image used : GitHub logo (png)
inverted_mode_offset
other_mode_no_offset
Image used : random grid (jpg)
jpg_offset
jpg full

m-khvoinitsky commented

Try to enable options specified in #126 (comment). That's an old issue (and not the only) with "old" Invert method which is used when backdrop-filter is not supported. Please, try and report the result.

eneiss commented

It fixed the offset issue, but now the background color is almost white.
I guess this is how the invert mode is supposed to work when the default background color is dark, so it doesn't really matter.
Thanks for your help ! 😄

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