react-native-tx-printer-module

Module for thermal printer command,Only work on android platform

Installation

npm install react-native-tx-printer-module

For react native Expo project, eject/prebuild is required for use of this plugin

->npx expo run:android

Usage

import { TxPrintingModule } from 'react-native-tx-printer-module';

// ...
      <Button onPress={
        () => {
          TxPrintingModule.init();
          TxPrintingModule.setFeed(30);
          TxPrintingModule.setAlign("CENTER");
          TxPrintingModule.setBarcodeHeight(90);
          TxPrintingModule.setBarcodeWidth(20);
          TxPrintingModule.setBarcodeFontLocation("DOWN")
          TxPrintingModule.printBarcode("UPCA", "12345678901");
          TxPrintingModule.setFeed(40);
          TxPrintingModule.setFontSize(2, 2);
          TxPrintingModule.outputStringLine("This is text print with stringline");
          TxPrintingModule.setFeed(30);
          TxPrintingModule.resetFont();
          TxPrintingModule.printImage("/a1.png");
          TxPrintingModule.setFontUnderline(true);
          TxPrintingModule.setFontBold(true);
          TxPrintingModule.setFontType("A");
          TxPrintingModule.setFontRotate(true);
          TxPrintingModule.setAlign("RIGHT");
          TxPrintingModule.setChineseMode(true);
          TxPrintingModule.setLineSpacing(1);
          TxPrintingModule.outputString("测试")
          TxPrintingModule.resetFont();
          TxPrintingModule.setChineseMode(false)
          TxPrintingModule.setUpsideDown(true)
          TxPrintingModule.setCharacterRotate("RIGHT");
          TxPrintingModule.outputString("Test margin");
          TxPrintingModule.setFeed(30);
          TxPrintingModule.setFeedReverse(20);
          TxPrintingModule.printQRCode(9, "M", "google.com");
          TxPrintingModule.setFeed(30);
          TxPrintingModule.printBase64Image("data:image/png;base64,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");
          TxPrintingModule.CutPaper("PURECUT_FULL");
          TxPrintingModule.close();
        }
      }
        title="Test"
        color="#841584"
      />

Command Usage

```
init()                                      -> Initilize printer command,must be call on start
setFeed(int length)                         -> Set paper feed length, 1=0.125mm , max value=255
setAlign(String alignment)                  -> Set text alignment, Available option = LEFT,CENTER,RIGHT     
setBarcodeHeight(int height)                -> Set the height of barcode
setBarcodeWidth(int width)                  -> Set the width of barcode
setBarcodeFontLocation(String location)     -> Set the location for display barcode content,Available option = NONE,UP,DOWN,BOTH
printBarcode(String type, String content)   -> Print the barcode out, require 2 parameter. First parameter is the TYPE ,second parameter is the barcode content. Available option for TYPE : UPCA,UPCE,EAN13,EAN8,CODE39,ITF,CODABAR,CODE93,CODE128
setFontSize(int width, int height)          -> Set the font size of text ,require 2 parameter.First is width,second is height. Available value=1 - 8
outputStringLine(String text)               -> Print text content with line space at the end of content
resetFont()                                 -> Reset the font setting
printImage(String path)                     -> Print image, noted that the image path is start from the application folder. Eg. if path=abc.png, the file need to put at android/data/com.example.app/files/abc.png
printBase64Image(String base64)             -> Print base64 image
setFontUnderline(Boolean option)            -> Set underline text,Available option:true,false
setFontBold(Boolean option)                 -> Set bold text,Available option:true,false
setFontType(String type)                    -> Set font type,Available option:A,B
setFontRotate(Boolean option)               -> Set font rotate 90 degree, Available option:true,false
setChineseMode(Boolean option)              -> Set this to true if want print chinese text.Available option:true,false           
setLineSpacing(int space)                   -> Set line spacing of text
outputString(String text)                   -> Print text without line spacing at end of content
setUpsideDown(Boolean option)               ->Set to print the content in upside down,Available option:true,false
setCharacterRotate(String option)           ->Set to print the content in rotating form.Availble option:NONE,LEFT,RIGHT
setFeedReverse(int length)                  -> Feed the paper in reverse form,mean going upside.Lenght: 1=0.125mm , max value=255
printQRCode(int size, string err_correct, string content)           -> Print QR code.3 parameter is require.First is the size of QR code,second is the error correction level of QR code,third is content of QR code. Option for size： 3-9. Option for error correction level：L,M,Q,H
CutPaper(String option)                    -> Command to cut the paper.Option: CUT_FULL,CUT_PARTIAL,PURECUT_FULL,PURECUT_PARTIAL. CUT= cut paper depend on black mark.PURECUT= direct cut paper after content. FULL= Fully cut the paper(Paper will drop down from printer). PARTIAL=Partially cut the paper(Paper remain on printer,need to pull it)
close()                                    -> Close the printer command,must run at the end of command

```

Contributing

See the contributing guide to learn how to contribute to the repository and the development workflow.

License

MIT

Made with create-react-native-library