[wp-trac] [WordPress Trac] #32437: Uploaded images are still saved as a "resized" duplicate

[WordPress Trac]

#32437: Uploaded images are still saved as a "resized" duplicate
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 Reporter:  wpdennis                             |       Owner:  (none)
     Type:  defect (bug)                         |      Status:  new
 Priority:  normal                               |   Milestone:  5.3
Component:  Media                                |     Version:  4.2
 Severity:  normal                               |  Resolution:
 Keywords:  has-patch needs-testing 2nd-opinion  |     Focuses:
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Changes (by azaozz):

 * keywords:  needs-patch => has-patch needs-testing 2nd-opinion


Comment:

 In 32437.diff: When an uploaded image matches exactly a registered size,
 use a threshold to determine whether to still create a sub-size with
 matching dimensions (but hopefully smaller file size). Adds
 `wp_image_resize_identical_dimensions_threshold` filter with a default
 value of 2560.

 Note that this changes the current behaviour for this edge case. The
 reason is that smaller images that match exactly a registered size are
 likely edited before upload. Currently when we create a sub-size for such
 image, it usually ends up with a larger file size and slightly reduced
 quality.

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Ticket URL: <https://core.trac.wordpress.org/ticket/32437#comment:12>
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