[wp-trac] [WordPress Trac] #31050: Better PDF Upload Management

[WordPress Trac]

#31050: Better PDF Upload Management
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 Reporter:  celloexpressions                     |       Owner:
     Type:  feature request                      |  markoheijnen
 Priority:  normal                               |      Status:  assigned
Component:  Media                                |   Milestone:  4.5
 Severity:  normal                               |     Version:
 Keywords:  has-patch dev-feedback needs-unit-   |  Resolution:
  tests needs-testing                            |     Focuses:  ui
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Comment (by markoheijnen):

 In general the patch is really good however when a PDF isn't correctly
 build, the images will be broken. I have tried to run several imagick
 methods to test things out but couldn't get closer to the answer. Using
 `mergeImageLayers(Imagick::LAYERMETHOD_FLATTEN)` broke a PDF that normally
 did work for me. When using `identifyImage` the only difference was the
 type. but forcing the broken one to another type didn't work either.


 Below the warnings that imagemagick will output for the broken PDF.

 {{{
 **** Warning: can't process font stream, loading font by the name.
 **** Error reading a content stream. The page may be incomplete.
 **** File did not complete the page properly and may be damaged.

 **** This file had errors that were repaired or ignored.
 **** The file was produced by:
 **** >>>> Microsoft: Print To PDF <<<<
 **** Please notify the author of the software that produced this
 **** file that it does not conform to Adobe's published PDF
 **** specification.
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/31050#comment:43>
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