gcprinter 1.0.4

This plugin allows the Flutter app to print tickets on a goodcom pos printer using a few simple apis,it support all the goodcom android pos printer.

Gcprinter

This plugin allows the Flutter app to print tickets on a goodcom pos printer using a few simple apis. This plugin support all the goodcom android pos printer.

Installation

flutter pub add gcprinter

Main Features

1.Print text (you can set font size and alignment) 2.Print image (you can set alignment) 3.Print barcode or qrcode (Set barcode through parameters)

Getting Started

// import packages
import 'package:gcprinter/gcprinter.dart';

Function list

  void drawText(String strLeft,int fontLeft,String strMid,int fontMid,String strRight,int fontRight);
  void drawBarcode(String str,int align)
  void printText();
  void printImageFile(String filePath,int align,bool isAutoFeed);
  void printImage(Uint8List img ,int align,bool isAutoFeed);
//Easy to use API
  void drawNewLine();
  void drawOneLine([int? fontSize]);
  void drawCustom(String str,int fontSize,int align);
  void drawLeftRight(String left,String right,int fontSize);
  void drawImage(String path);
  void drawQrCode(String str, int align, [int? height]);

Example

    Uint8List bytes = await _getAssetImage('assets/images/logo.png');
    Gcprinter.printImage(bytes, Gcprinter.alignCenter, false);
    Gcprinter.drawText("1 x", Gcprinter.fontSmallBold, "test", Gcprinter.fontSmallBold, "65.00", Gcprinter.fontSmallBold);
    Gcprinter.drawText("option1", Gcprinter.fontDefault, "", Gcprinter.fontDefault, "60.00", Gcprinter.fontDefault);
    Gcprinter.drawText("option2", Gcprinter.fontDefault, "", Gcprinter.fontDefault, "5.00", Gcprinter.fontDefault);
    Gcprinter.drawBarcode("test123", Gcprinter.alignCenter,Gcprinter.barcodeQrCode);
    Gcprinter.drawText("",0,"test123",Gcprinter.fontDefault,"",0);
    Gcprinter.printText(true);

Different implementations of the same example

    Uint8List bytes = await _getAssetImage('assets/images/logo.png');
    Gcprinter.printImage(bytes, Gcprinter.alignCenter, false);
    Gcprinter.drawText("1 x", Gcprinter.fontSmallBold, "test", Gcprinter.fontSmallBold, "65.00", Gcprinter.fontSmallBold);
    Gcprinter.drawLeftRight("option1", Gcprinter.fontDefault, "60.00", Gcprinter.fontDefault);
    Gcprinter.drawLeftRight("option2", Gcprinter.fontDefault, "5.00", Gcprinter.fontDefault);
    Gcprinter.drawQrCode("test123", Gcprinter.alignCenter);
    Gcprinter.drawCustom("test123",Gcprinter.fontDefault,Gcprinter.alignCenter);
    Gcprinter.printText(true);