WP_Image_Editor_Imagick::pdf_load_source() WordPress Method

	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;
	}