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Ticket #45363: 45363_1.diff

File 45363_1.diff, 1.1 KB (added by benjaminpick, 8 years ago)
tentative patch

diff --git a/wp-admin/includes/image.php b/wp-admin/includes/image.php
index 254ba7d90f..0e081266bc 100644

                function wp_generate_attachment_metadata( $attachment_id, $file ) {
                 $metadata = wp_read_audio_metadata( $file );
                 $support  = current_theme_supports( 'post-thumbnails', 'attachment:audio' ) || post_type_supports( 'attachment:audio', 'thumbnail' );
+        }
+        /**
+         * Filters the mime types that have support for thumbnail generation
+         *
+         * @param array $other_supported_mime_types  An array of supported MIME types
+         */
+        $other_supported_mime_types = apply_filters( 'mime_types_thumbnail_generation', array( 'application/pdf' ) );
         if ( $support && ! empty( $metadata['image']['data'] ) ) {
                 // Check for existing cover.
-…
+               function wp_generate_attachment_metadata( $attachment_id, $file ) {
+                        }
+                }
         } // Try to create image thumbnails for PDFs
         elseif ( 'application/pdf' === $mime_type ) {
+        elseif ( in_array( $mime_type, $other_supported_mime_types, true ) ) {
                 $fallback_sizes = array(
                         'thumbnail',
                         'medium',