[wp-trac] [WordPress Trac] #45407: Add block attributes to `wp_calculate_image_sizes` to allow for proper handling of `sizes` attribute

[WordPress Trac]

#45407: Add block attributes to `wp_calculate_image_sizes` to allow for proper
handling of `sizes` attribute
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 Reporter:  mor10         |       Owner:  joemcgill
     Type:  defect (bug)  |      Status:  assigned
 Priority:  high          |   Milestone:  5.2
Component:  Media         |     Version:
 Severity:  major         |  Resolution:
 Keywords:  dev-feedback  |     Focuses:
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Changes (by joemcgill):

 * milestone:  5.1 => 5.2


Comment:

 The approach in [attachment:"45407.diff"] requires image blocks to be
 rendered on the server rather than directly using the markup stored in
 post content. Since that part has not been implemented in Gutenberg
 yet—and might not—I'm going to punt this for now.

 Another potential approach would be to modify the regex in
 `wp_make_content_images_responsive()` so it includes containing `figure`
 elements and pass alignment data as a new parameter to
 `wp_image_add_srcset_and_sizes()`, which can then be added to the filter
 for `sizes`.

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Ticket URL: <https://core.trac.wordpress.org/ticket/45407#comment:29>
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