+ case wxBITMAP_TYPE_PNM: type_name = "pnm"; break;
+ case wxBITMAP_TYPE_TGA: type_name = "tga"; break;
+ case wxBITMAP_TYPE_TIFF: type_name = "tiff"; break;
+ case wxBITMAP_TYPE_XBM: type_name = "xbm"; break;
+ case wxBITMAP_TYPE_XPM: type_name = "xpm"; break;