BitmapSetSaver
saver = new BitmapSetSaver(ref);
BitmapSetSaver::BitmapSetSaver(const entry_ref& ref)
BitmapSetSaver::~BitmapSetSaver()
BitmapSetSaver::Save(Document* document)
class BitmapSetSaver : public FileSaver {
BitmapSetSaver(const entry_ref& ref);
virtual ~BitmapSetSaver();