[wp-trac] [WordPress Trac] #60798: Investigate potentially failing Imagick PDF alpha channel test

[WordPress Trac]

#60798: Investigate potentially failing Imagick PDF alpha channel test
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 Reporter:  swissspidy    |       Owner:  antpb
     Type:  defect (bug)  |      Status:  reopened
 Priority:  normal        |   Milestone:  6.8
Component:  Media         |     Version:
 Severity:  normal        |  Resolution:
 Keywords:  has-patch     |     Focuses:
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Comment (by adamsilverstein):

 > 3.7.0 is just the version of the imagick extension, whereas 9.14 is the
 version of the ImageMagick library used by imagick. Two different things.

 > If we indeed need to check imagick version, then yes 9.14 is the wrong
 version to compare to there.

 We can use the same check in the `remove_pdf_alpha_channel` function:

 {{{

 $version = Imagick::getVersion();
 // Remove alpha channel if possible to avoid black backgrounds for
 Ghostscript >= 9.14. RemoveAlphaChannel added in ImageMagick 6.7.5.
 if ( $version['versionNumber'] >= 0x675 ) {
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/60798#comment:22>
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