ReadBitmap
BPrivateScreen::ReadBitmap(BBitmap* bitmap, bool drawCursor, BRect* bounds)
BScreen::ReadBitmap(BBitmap* bitmap, bool drawCursor, BRect* bounds)
DrawingEngine::ReadBitmap(ServerBitmap* bitmap, bool drawCursor, BRect bounds)
RemoteDrawingEngine::ReadBitmap(ServerBitmap* bitmap, bool drawCursor,
RemoteMessage::ReadBitmap(BBitmap** _bitmap, bool minimal,