[wp-trac] [WordPress Trac] #43720: Image Size Bug

[WordPress Trac]

#43720: Image Size Bug
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 Reporter:  Felln         |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Media         |    Version:  trunk
 Severity:  normal        |   Keywords:
  Focuses:                |
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 I found an image resize bug, and can reproduce it with different wordpress
 instances.
 Steps:
 1. Go to Dashboard. Settings -> Media
 2. Set Medium Size Max Width and Max Height to 600
 3. Go to media and upload a picture with size 512x1024
 4. Make a post and insert the picture in the sample post via insert media
 button.
 5. Edit the image size in the post to Medium Size (300x600).

 At step 4 when i want to insert the picture: I have a non seen image in my
 library (as thumbnail. It will only show grey). When i insert it in full
 size i will see it in the post itself. After setting it to Medium size the
 picture is gone...

 When i resize the image with 1 pixel only (like 511x1ß24) all is good.
 When i make diretcly a resize to 300x600 and upload it i have the same
 bug. It have something to do with the media settings. When i use other px
 settings at the media settings (step 2) the pictures work.
 I can reproduce it with 2 different WordPress instances

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Ticket URL: <https://core.trac.wordpress.org/ticket/43720>
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