+ else if (is_image_item (output_item) && html->chart_file_name != NULL)
+ {
+ struct image_item *image_item = to_image_item (output_item);
+ char *file_name = xr_write_png_image (
+ image_item->image, html->chart_file_name, ++html->chart_cnt);
+ if (file_name != NULL)
+ {
+ fprintf (html->file, "<img src=\"%s\">", file_name);
+ free (file_name);
+ }
+ }