Reference: savePixmapToFile
savePixmapToFile(pm, s) save the pixmap pm to a file. s is the fully-qualified name of the file, including extension ".asd", ".png", ".bmp", or ".xbm".
savePixmapToFile(pm, s) save the pixmap pm to a file. s is the fully-qualified name of the file, including extension ".asd", ".png", ".bmp", or ".xbm".