[wp-trac] [WordPress Trac] #40370: add_image_sizes does not create the "crop position" versions of the image

[WordPress Trac]

#40370: add_image_sizes does not create the "crop position" versions of the image
----------------------------+-----------------------------
 Reporter:  piejesus        |      Owner:
     Type:  defect (bug)    |     Status:  new
 Priority:  normal          |  Milestone:  Awaiting Review
Component:  Media           |    Version:  4.7.3
 Severity:  normal          |   Keywords:
  Focuses:  administration  |
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 I wanted to introduce 3 different version of post thumbnails - each with
 different cropping position (top, center, left) , so i added them like
 this:

 {{{#!php
 add_image_size( 'newscentered', 400, 400, array( 'center', 'center') );
 add_image_size( 'newstop', 400, 400, array( 'center', 'top' ) );
 add_image_size( 'newsbottom', 400, 400, array( 'center', 'bottom' ) );
 }}}


 Now, whenever i use the the_post_thumbnail() with the name of my custom
 image size i always get the same image, cropped to the default Wordpress
 crop position of ('center', 'center') .

 Why is that happening? I did 'refresh' the thumbnails and tried also
 uploading fresh image files and still i can't get 3 differently cropped
 versions of the image.

 I noticed that when i set the cropping defaults using the following
 function and set the cropping there, then it works:

 {{{#!php
 set_post_thumbnail_size( 400, 400, array('center', 'bottom'));
 }}}


 ... but it affects the cropping of all of my thumbnails, so i can only get
 one "crop position" for all my images.

 Guys, is this some kind of bug or do i configure something in a wrong way?

 I'm using the newest official Wordpress version

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Ticket URL: <https://core.trac.wordpress.org/ticket/40370>
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