[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:  (none)
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  5.0.3
Component:  Media         |     Version:
 Severity:  blocker       |  Resolution:
 Keywords:  dev-feedback  |     Focuses:
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Comment (by youknowriad):

 I suggest we stop thinking about stop-gap fixes and think about a more
 future-proof solution that doesn't involve tweaks from the theme.

 Some ideas:

  - Remove the image size picker
  - Add a new default image size in WordPress (big one)
  - A way for themes and block containers to define which size to use by
 default for each alignment option. For example, when a user makes an image
 "wide", the default "src" used switches to the big image size which means
 the filter will adjust the sizes attribute accordingly.

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Ticket URL: <https://core.trac.wordpress.org/ticket/45407#comment:19>
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