[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:  5.1
Component:  Media         |     Version:
 Severity:  major         |  Resolution:
 Keywords:  dev-feedback  |     Focuses:
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Comment (by youknowriad):

 Good thoughts @mor10 I missed this originally.

 I'd add that ideally, it's not the responsibility of the theme or plugin
 to control the output but the theme should be able to provide the
 necessary information (like you suggested) to the editor in order to
 produce the correct output.

 I think there are more use-cases than the ones you highlighted, If you
 consider a sidebar block, and a main content block side by side. You'd end
 up with questions like:

  - Do we allow wide alignments in the sidebar area?
  - How can we define with alignments are allowed in which areas?
  - What is the default image size used for each alignment in each area?

 So coming up with the API that answers all these use-cases is not an easy
 task. A suggestion could be that each `InnerBlocks` area has a config prop
 that could look like this:

 {
    alignments: {
       // available alignment => default image size
       left: "large",
       right: "large",
       wide: "very-large"
    }
 }

 Now the question remains, how does a theme provides this config to the
 global canvas for a post type (which may not make sense anymore in phase2,
 or make less sense), and how does a theme extends this prop for a given
 block.

 If there's someone willing to explore these, please go for it.

-- 
Ticket URL: <https://core.trac.wordpress.org/ticket/45407#comment:23>
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