filter_add_if_missing("dds", "DirectDraw Surface", ".dds", FORMAT_CLASS_IMAGE, FALSE, FALSE, TRUE);
filter_add_if_missing("pdf", "Portable Document Format", ".pdf", FORMAT_CLASS_PDF, FALSE, FALSE, TRUE);
filter_add_if_missing("HEIF", "HEIF Format", ".heic", FORMAT_CLASS_IMAGE, FALSE, FALSE, TRUE);
+ filter_add_if_missing("webp", "WebP Format", ".webp", FORMAT_CLASS_IMAGE, FALSE, FALSE, TRUE);
}
GList *filter_to_list(const gchar *extensions)