iface->get_n_pages = tiff_document_get_n_pages;
iface->get_page_size = tiff_document_get_page_size;
iface->render = tiff_document_render;
iface->get_n_pages = tiff_document_get_n_pages;
iface->get_page_size = tiff_document_get_page_size;
iface->render = tiff_document_render;