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Media: Prevent unnecessary whitespace around PDF Thumbnails.

Stops unintended whitespace from showing around PDF thumbnails
when the PDF creation tool utilized a CropBox.

Props michelweimerskirch, joemcgill.
Fixes #45598.

git-svn-id: https://develop.svn.wordpress.org/trunk@46238 602fd350-edb4-49c9-b593-d223f7449a82
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getsource committed Sep 23, 2019
1 parent c9a2fde commit 8fdabdb621279e10d7a7e61e79cb87ec9dd742c6
Showing with 4 additions and 0 deletions.
  1. +4 −0 src/wp-includes/class-wp-image-editor-imagick.php
@@ -787,6 +787,10 @@ protected function pdf_setup() {
// We want the thumbnail to be readable, so increase the rendering DPI.
$this->image->setResolution( 128, 128 );
// When generating thumbnails from cropped PDF pages, Imagemagick uses the uncropped
// area (resulting in unnecessary whitespace) unless the following option is set.
$this->image->setOption( 'pdf:use-cropbox', true );
// Only load the first page.
return $this->file . '[0]';
} catch ( Exception $e ) {

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