WP_Image_Editor_Imagick::pdf_load_source() WordPress Method
This function loads a PDF document into an Imagick object for further editing. PDF documents can be loaded into Imagick objects using the WP_Image_Editor_Imagick::pdf_load_source() function. This function supports loading PDFs from either a file or a URL. Once the PDF has been loaded, it can be edited using the various methods provided by the Imagick class.
WP_Image_Editor_Imagick::pdf_load_source() #
Load the image produced by Ghostscript.
Description
Includes a workaround for a bug in Ghostscript 8.70 that prevents processing of some PDF files when use-cropbox is set.
Return
(true|WP_Error)
Source
File: wp-includes/class-wp-image-editor-imagick.php
907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 | protected function pdf_load_source() { $filename = $this->pdf_setup(); if ( is_wp_error( $filename ) ) { return $filename; } try { // 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 ); // Reading image after Imagick instantiation because `setResolution` // only applies correctly before the image is read. $this->image->readImage( $filename ); } catch ( Exception $e ) { // Attempt to run `gs` without the `use-cropbox` option. See #48853. $this->image->setOption( 'pdf:use-cropbox', false ); $this->image->readImage( $filename ); } return true;} |
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Changelog
| Version | Description |
|---|---|
| 5.6.0 | Introduced. |