package com.printer.sdk.usb abstract class Printer { var initPrinterCommand = initInitPrinterCommand() var justificationCommand = initJustificationCommand() var fontSizeCommand = initFontSizeCommand() var emphasizedModeCommand = initEmphasizedModeCommand() var underlineModeCommand = initUnderlineModeCommand() var characterCodeCommand = initCharacterCodeCommand() var feedLineCommand = initFeedLineCommand() var lineSpacingCommand = initLineSpacingCommand() var printingImagesHelper: PrintingImagesHelper = initPrintingImagesHelper() var converter: Converter = useConverter() abstract fun initInitPrinterCommand(): ByteArray abstract fun initJustificationCommand(): ByteArray abstract fun initFontSizeCommand(): ByteArray abstract fun initEmphasizedModeCommand(): ByteArray abstract fun initUnderlineModeCommand(): ByteArray abstract fun initCharacterCodeCommand(): ByteArray abstract fun initFeedLineCommand(): ByteArray abstract fun initLineSpacingCommand(): ByteArray abstract fun initPrintingImagesHelper(): PrintingImagesHelper abstract fun useConverter(): Converter }