argox_printer 0.0.4

FFI for Argox Printers using PPLA, PPLB, PPLZ

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:argox_printer/argox_printer.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Argox Printer Sample',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: const MyHomePage(),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({Key? key}) : super(key: key);

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            const Text(
              'Push the bottom below to test driver',
            ),
            TextButton.icon(
                onPressed: () {
                  // open port.
                  int nLen, ret, sw;
                  String ver, pbuf = '';
                  String strmsg;
                  String szSavePath = '';
                  String szSaveFile = 'printer.log';
                  String sznop1 = "nop_front\r\n";
                  String sznop2 = "nop_middle\r\n";

                  // dll version.
                  ver = aGetDllVersion(0);

                  // search port.
                  nLen = aGetUsbBufferLen() + 1;
                  strmsg = 'DLL $ver';
                  if (nLen > 1) {
                    String buf1 = '', buf2 = '';
                    int len1 = 128, len2 = 128;
                    aEnumUsb(pbuf);
                    aGetUsbDeviceInfo(1, buf1, len1, buf2, len2);
                    sw = 1;
                    if (sw == 1) {
                      ret = aCreatePrn(12, buf2); // open usb.
                    } else {
                      ret = aCreateUsbPort(
                          1); // must call A_GetUSBBufferLen() function fisrt.
                    }
                    if (0 != ret) {
                      strmsg += "Open USB fail!";
                    } else {
                      strmsg += "Open USB:\r\nDevice name: ";
                      strmsg += buf1;
                      strmsg += "\r\nDevice path: ";
                      strmsg += buf2;
                      //sw = 2;
                      if (2 == sw) {
                        //get printer status.
                        aWriteData(1, "\x01\x46\r\n", 4); //<SOH>F
                        ret = aReadData(pbuf, 2, 1000);
                      }
                    }
                  } else {
                    //TODO: Mkdir
                    ret = aCreatePrn(0, szSaveFile); // open file.
                    strmsg += "Open ";
                    strmsg += szSaveFile;
                    if (0 != ret) {
                      strmsg += " file fail!";
                    } else {
                      strmsg += " file succeed!";
                    }
                  }
                  print(strmsg);
                  if (0 != ret) return;

                  // sample setting.
                  aSetDebugDialog(1);
                  aSetUnit('n');
                  aSetSysSetting(1, 0, 0, 0, 0);
                  aSetDarkness(8);
                  aDelGraphic(1, "*"); // delete all picture.
                  aClearMemory(); // clear memory.
                  aWriteData(0, sznop2, sznop2.length);
                  aWriteData(1, sznop1, sznop1.length);
                  //When using standard label, and the printer is Intelli Print mode or Smart Print mode,
                  //When calling this function and giving the correct label information,
                  //the immediate print function will be enabled according to the label length setting.
                  aSetLabelForSmartPrint(254 * 3,
                      30); //label information: length= 3 * 25.4 mm, gap= 3 mm.

                  //draw box.
                  aDrawBox('A', 10, 10, 380, 280, 4, 4);
                  aDrawLine('A', 200, 10, 4, 280);

                  //print text, true type text.
                  aPrnText(20, 30, 1, 2, 0, 1, 1, 'N', 2, "PPLA Lib Example");
                  aPrnTextTrueType(20, 60, 30, "Arial", 1, 400, 0, 0, 0, "AA",
                      "TrueType Font", 1); //save in ram.
                  aPrnTextTrueTypeW(20, 90, 20, 20, "Times New Roman", 1, 400,
                      0, 0, 0, "AB", "TT_W: �h�r������", 1);
                  aPrnTextTrueTypeUni(20, 120, 30, "Times New Roman", 1, 400, 0,
                      0, 0, "AC", "TT_Uni: �h�r������", 1, 1); //UTF-16
                  pbuf = "\xFF\xFETT_UniB: �h�r������";
                  aPrnTextTrueTypeUniB(20, 150, 30, "Times New Roman", 1, 400,
                      0, 0, 0, "AD", pbuf, 0, 1); //Byte Order Mark.

                  //barcode.
                  aPrnBarcode(220, 60, 1, 'A', 0, 0, 20, 'B', 1, "1234");
                  aBar2dQrA(220, 100, 1, '3', 10, 'N', 0, "QR CODE");

                  //picture.
                  aGetGraphicColorBmp(
                      220, 150, 1, 'B', "bb.bmp"); // Color bmp file to ram.
                  aGetGraphicColorBmpEx(220, 170, 200, 150, 2, 1, 'B', "bb1",
                      "bb.bmp"); //180 angle.
                  //TODO: Discover and test how to deal with HBITMAP C++ data type
                  //HANDLE himage = LoadImage(NULL,"bb.bmp",IMAGE_BITMAP,0,0,LR_LOADFROMFILE);
                  //aGetGraphicColorBmpHBitmap(300, 150, 250, 80, 1, 1, 'B', "bb2", (HBITMAP)himage);//90 angle.
                  // if (himage)
                  //   DeleteObject(himage);

                  // output.
                  aPrintOut(1, 1, 2, 1); // copy 2.

                  // close port.
                  aClosePrn();
                  //Showing version
                  String version = aGetDllVersion(0);

                  showDialog(
                      context: context,
                      builder: (context) => AlertDialog(
                            title: const Text('If showed something, works!'),
                            content: Text('DLL version: $version'),
                          ));
                },
                icon: const Icon(Icons.print),
                label: const Text('Test printer'))
          ],
        ),
      ),
    );
  }
}