WP_Image_Editor_Imagick::pdf_load_source() – Load the image produced by Ghostscript.

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Description

Load the image produced by Ghostscript.

Includes a workaround for a bug in Ghostscript 8.70 that prevents processing of some PDF files when use-cropbox is set.

Usage

$true|WP_Error = WP_Image_Editor_Imagick::pdf_load_source();

Parameters

Returns

true|WP_Error

Source

File name: wordpress/wp-includes/class-wp-image-editor-imagick.php
Lines:

1 to 24 of 24
  protected function pdf_load_source() {
    $filename = $this->WP_Image_Editor_Imagick::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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