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Remove unnecessary background color on placeholders #44497

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merged 1 commit into from
Sep 27, 2022

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jameskoster
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This is a subtle one, addressing a detail I missed in #44190.

Placeholders effectively have two backgrounds applied at the moment, a semi-transparent white one, and a semi-transparent currentColor one. We don't need both. This PR removes the white one.

Before

Screenshot 2022-09-27 at 12 06 03

After

Screenshot 2022-09-27 at 12 00 48

@jameskoster jameskoster added the [Type] Enhancement A suggestion for improvement. label Sep 27, 2022
@jameskoster jameskoster requested a review from a team September 27, 2022 11:07
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Size Change: -8 B (0%)

Total Size: 1.26 MB

Filename Size Change
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build/components/style.css 11.5 kB -4 B (0%)
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compressed-size-action

@jasmussen
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I think we need this one. The backdrop filter has to have some inkling of a background color in order to function, to solve this case:

Screenshot 2022-09-27 at 13 35 56

That's a Cover with a background, and then an Image placeholder inside.

I wonder if #44215 (comment) is related? 🤔

@jameskoster
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Are you sure? It seems to work ok:

Screenshot 2022-09-27 at 12 44 18

I wonder if #44215 (comment) is related?

That's what lead me here. The issue in your PR looks like it might be caused by the white background applied to placeholders. But I can't reproduce to inspect further.

@jasmussen
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Oh, I remembered incorrectly. Indeed the backdrop filter does work.

Screenshot 2022-09-27 at 14 06 29

I could've sworn the color was needed for duotone, but that works too. So I'm happy to go full transparent!

Screenshot 2022-09-27 at 14 06 54

However I'm still seeing the rendering glitch. Observe this craziness:

bug

It looks like the backdrop filter is at fault here, because it's not happening to Featured Image, because apparently that doesn't yet have the backdrop filter.

Since we're using a pseudo element with currentColor, we can potentially revisit this now and look for an alternative to the blur. What do you think?

@jameskoster
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Wow, that is strange. If you don't mind shall we look into that separately? Removing the backdrop-filter alone probably won't be adequate:

Screenshot 2022-09-27 at 14 29 29

We may also need to adjust the opacity, or even try some different effects.

@jasmussen
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yes, something to look at!

@jameskoster jameskoster merged commit 0fbe556 into trunk Sep 27, 2022
@jameskoster jameskoster deleted the update/placeholder-background branch September 27, 2022 16:13
@github-actions github-actions bot added this to the Gutenberg 14.3 milestone Sep 27, 2022
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