step5.swift

private func printerTextField(font:Int, size: Int, x:Int, y: Int, content: String) -> String {
    return “TEXT \(font) \(size) \(x) \(y) \(content)”
}
private func printMultiLineTextField(linesHeight: Int, font:Int, size: Int, x:Int, y: Int, content: String) -> String {
    return “ML \(linesHeight)\nTEXT \(font) \(size) \(x) \(y) \n\(content)\nENDML\nENDML”
}
private func printerBarCodeFormat(width: Int, ratio: Int, height: Int, x: Int, y:Int, content: String) -> String {
    return “BARCODE 128 \(width) \(ratio) \(height) \(x) \(y) \(content)”
}