Duotone: Pass filters to the Post Editor #49239
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scruffian
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Mar 21, 2023
scruffian
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Mar 21, 2023
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Size Change: +1.44 kB (0%) Total Size: 1.34 MB
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Flaky tests detected in a0be2bf. 🔍 Workflow run URL: https://github.com/WordPress/gutenberg/actions/runs/4514581517
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scruffian
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Mar 22, 2023
ajlende
reviewed
Mar 22, 2023
Comment on lines
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| <svg | ||
| xmlns="http://www.w3.org/2000/svg" | ||
| viewBox="0 0 0 0" | ||
| width="0" | ||
| height="0" | ||
| focusable="false" | ||
| role="none" | ||
| dangerouslySetInnerHTML={ { __html: transformedSvgs } } | ||
| /> |
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Since we're adding all this front matter in this case and we're outputting them all at once in the frontend too, there's another performance improvement that we can make with duotone filters by wrapping all the filter definitions in a single SVG wrapper like this.
Not for this PR, but as a follow-up.
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Why would that be more performant?
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Re-reading what I wrote, I really didn't explain that well. What I'm saying is that we can have one wrapper for all the SVG defs, so transformedSvgs would just contain the definitions.
<filter id="wp-duotone-grayscale">
<feColorMatrix ... />
<feComponentTransfer ...>...</feComponentTransfer>
<feComposite ... />
</filter>
<filter id="wp-duotone-midnight">
...
</filter>
...And the final output would look like this.
<svg xmlns="http://www.w3.org/2000/svg" ... />
<defs>
<filter id="wp-duotone-grayscale">
<feColorMatrix ... />
<feComponentTransfer ...>...</feComponentTransfer>
<feComposite ... />
</filter>
<filter id="wp-duotone-midnight">
...
</filter>
...
</defs>
</svg>Instead of what we currently have in this PR.
<svg xmlns="http://www.w3.org/2000/svg" ... />
<svg xmlns="http://www.w3.org/2000/svg" ... />
<defs>
<filter id="wp-duotone-grayscale">
<feColorMatrix ... />
<feComponentTransfer ...>...</feComponentTransfer>
<feComposite ... />
</filter>
</defs>
</svg>
<svg xmlns="http://www.w3.org/2000/svg" ... />
<defs>
<filter id="wp-duotone-midnight">
...
</filter>
</defs>
</svg>
...
</svg>In the frontend, doing something similar could maybe shave off another kilobyte if there are a lot of filters on the page.
ajlende
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Mar 22, 2023
scruffian
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Mar 22, 2023
scruffian
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ajlende
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Mar 23, 2023
packages/edit-site/src/components/block-editor/editor-canvas.js
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I've made all of the requested changes, but I ended up reverting the change using a portal to render the |
This was referenced Mar 24, 2023
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Thanks for all the work, this is looking good to me. Should we also update the output of |
ellatrix
reviewed
Mar 24, 2023
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@ellatrix Because for me, these are editor styles. What would we want to separate some editor styles rendered in one component, while the others rendered by something else? Rendering in head or body is an implementation detail for me. I understand that it creates friction here but if we really want to keep the styles in head and svgs in body, I think it should still be possible to do within the same component. |
added 2 commits
March 24, 2023 13:51
… SVG elements in filterSvgs
ajlende
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Mar 24, 2023
packages/block-editor/src/components/global-styles/use-global-styles-output.js
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ajlende
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packages/block-editor/src/components/global-styles/use-global-styles-output.js
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My mistake for missing that—you mentioned it earlier. Fixed in 0dabaf4. |
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youknowriad
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What?
Resolves the issue where global block style duotone filters were not applied in the post editor.
Why?
Fixes #48586
How?
<EditorStyles>into the<body>of the post editor iframe because SVG elements are not valid children of<head>.<EditorStyles>to handlestyleswith__unstableType: 'svgs'duotoneto populate thestyleswith SVGs and CSS custom properties.Testing Instructions
{ "styles": { "blocks": { "core/image": { "filter": { "duotone": "var(--wp--preset--duotone--midnight)" } } } } }Testing Instructions for Keyboard
Screenshots or screencast
Before (post editor)
After (post editor)
Co-authored-by: Alex Lende [email protected]