[wp-trac] [WordPress Trac] #32765: Allow custom Customizer controls to use the WordPress core Cropper with custom dimensions

[WordPress Trac]

#32765: Allow custom Customizer controls to use the WordPress core Cropper with
custom dimensions
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 Reporter:  imath        |      Owner:
     Type:  enhancement  |     Status:  new
 Priority:  normal       |  Milestone:  Awaiting Review
Component:  Customize    |    Version:  trunk
 Severity:  normal       |   Keywords:
  Focuses:               |
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 Hi,

 I've been exploring the [https://make.wordpress.org/core/2015/06/10/site-
 icon-and-image-cropping-controls/ WP Site Icon] plugin by John Blackbourn,
 and i've noticed the Cropper was using a "hardcoded" ajax action set to
 `custom-header-crop`.
 I think if any custom Customizer control needs to use the Media Editor and
 the cropper feature (just like the WP Site Icon), it would be interesting
 to add a parameter to the cropper control to set the ajax action. Else,
 the image will always be cropped using the custom header dimensions.

 The attached patch contains my suggestion.

 I've read that #29211 "should be tackled before the site icon
 functionality" but i haven't seen in the latest patch attached to it
 something about this possible enhancement. I've forked and will soon
 submit a pull request to John containing my suggestions about WP Site
 Icon, you can see how this enhancement could benefit to WP Site Icon into
 these two files:
 - https://github.com/imath/wp-site-icon/blob/master/site-icon.php#L159
 - https://github.com/imath/wp-site-icon/blob/master/js/control.js#L84

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Ticket URL: <https://core.trac.wordpress.org/ticket/32765>
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