562 lines
19 KiB
Dart
562 lines
19 KiB
Dart
import 'dart:io';
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import 'package:flutter/services.dart';
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import 'package:image/image.dart' as img;
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import 'package:path_provider/path_provider.dart';
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import 'package:pdf/pdf.dart' as pf;
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import 'package:pdf/widgets.dart' as pw;
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import 'package:drago_pos_printer/drago_pos_printer.dart';
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import 'package:printing/printing.dart';
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// import 'package:qr_flutter/qr_flutter.dart';
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import 'dart:math' as math;
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class ESCPrinterService {
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final Uint8List? receipt;
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List<int>? _bytes;
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var dpi;
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List<int>? get bytes => _bytes;
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int? _paperSizeWidthMM;
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int? _maxPerLine;
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CapabilityProfile? _profile;
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ESCPrinterService(this.receipt);
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Future<List<int>> getBytes({
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int paperSizeWidthMM = PaperSizeWidth.mm80,
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int maxPerLine = PaperSizeMaxPerLine.mm80,
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CapabilityProfile? profile,
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String name = "default",
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}) async {
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List<int> bytes = [];
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_profile = profile ?? (await CapabilityProfile.load(name: name));
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print(_profile!.name);
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_paperSizeWidthMM = paperSizeWidthMM;
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_maxPerLine = maxPerLine;
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assert(receipt != null);
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assert(_profile != null);
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EscGenerator generator =
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EscGenerator(_paperSizeWidthMM!, _maxPerLine!, _profile!);
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var decodeImage = img.decodeImage(receipt!);
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if (decodeImage == null) throw Exception('decoded image is null');
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final img.Image _resize =
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img.copyResize(decodeImage, width: _paperSizeWidthMM);
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String dir = (await getTemporaryDirectory()).path;
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String fullPath = '$dir/abc.png';
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print("local file full path ${fullPath}");
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File file = File(fullPath);
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await file.writeAsBytes(img.encodePng(decodeImage));
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// OpenFile.open(fullPath);
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bytes += generator.image(_resize);
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bytes += generator.feed(2);
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bytes += generator.cut();
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return bytes;
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}
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Future<img.Image?> generateLabel(int width, int height, int labelWidth,
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double horizontalGap, int column) async {
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final doc = pw.Document();
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doc.addPage(
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pw.Page(
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pageFormat: pf.PdfPageFormat(
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width * pf.PdfPageFormat.mm, height * pf.PdfPageFormat.mm),
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build: (pw.Context context) => pw.Row(children: [
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for (int i = 0; i < column; i++)
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pw.Expanded(
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child: pw.Center(
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child: pw.Column(
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crossAxisAlignment: pw.CrossAxisAlignment.start,
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mainAxisAlignment: pw.MainAxisAlignment.center,
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children: [
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pw.SizedBox(height: 5),
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pw.Text('Bodi ananatham department',
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style: pw.TextStyle(fontSize: 6),
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overflow: pw.TextOverflow.clip),
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pw.SizedBox(height: 1),
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//barcode
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pw.BarcodeWidget(
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width: 90,
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height: 28,
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data: '324324',
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barcode: pw.Barcode.code39()),
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//qr code
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pw.Row(children: [
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pw.Container(
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width: 3,
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child: pw.Transform.rotateBox(
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angle: math.pi / 180,
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child: pw.Text(
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'13232',
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style: pw.TextStyle(fontSize: 5),
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),
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),
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),
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pw.SizedBox(width: 2),
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pw.BarcodeWidget(
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width: 26,
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height: 26,
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data: '324324',
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barcode: pw.Barcode.qrCode()),
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pw.SizedBox(width: 5),
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pw.Expanded(
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child: pw.Column(children: [
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pw.Row(children: [
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pw.Expanded(
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child: pw.Text('Rate',
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style: pw.TextStyle(fontSize: 6))),
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pw.Expanded(
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child: pw.Text('0.52',
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style: pw.TextStyle(fontSize: 6))),
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]),
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pw.Row(children: [
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pw.Expanded(
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child: pw.Text('MRP',
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style: pw.TextStyle(fontSize: 6))),
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pw.Expanded(
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child: pw.Text('0.52',
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style: pw.TextStyle(fontSize: 6))),
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]),
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pw.Row(children: [
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pw.Expanded(
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child: pw.Text('Mfd',
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style: pw.TextStyle(fontSize: 6))),
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pw.Expanded(
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child: pw.Text('02/20/23',
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style: pw.TextStyle(fontSize: 6))),
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]),
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pw.Row(children: [
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pw.Expanded(
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child: pw.Text('Expiry',
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style: pw.TextStyle(fontSize: 6))),
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pw.Expanded(
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child: pw.Text('02/20/23',
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style: pw.TextStyle(fontSize: 6))),
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]),
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])),
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pw.SizedBox(width: 3),
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]),
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pw.SizedBox(height: 1.5),
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pw.Text('200g Horlicks Choclate flavor [iyj fdgdfgdf dfgdfg]',
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style: pw.TextStyle(fontSize: 6)),
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])))
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]),
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),
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);
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await for (var page in Printing.raster(await doc.save(), dpi: 203)) {
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return page.asImage();
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}
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return null;
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}
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Future<Uint8List> _generatePdf() async {
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final doc = pw.Document();
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doc.addPage(
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pw.Page(
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pageFormat: pf.PdfPageFormat.roll57,
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build: (pw.Context context) => pw.SizedBox(
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height: 10 * pf.PdfPageFormat.mm,
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child: pw.Center(
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child: pw.Text('Hello World', style: pw.TextStyle(fontSize: 20)),
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),
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),
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),
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);
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return doc.save();
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}
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Future<List<int>> getPdfBytes({
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int paperSizeWidthMM = PaperSizeMaxPerLine.mm80,
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int maxPerLine = PaperSizeMaxPerLine.mm80,
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CapabilityProfile? profile,
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String name = "default",
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}) async {
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List<int> bytes = [];
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_profile = profile ?? (await CapabilityProfile.load(name: name));
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print(_profile!.name);
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_paperSizeWidthMM = paperSizeWidthMM;
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_maxPerLine = maxPerLine;
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EscGenerator generator =
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EscGenerator(_paperSizeWidthMM!, _maxPerLine!, _profile!);
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await for (var page in Printing.raster(await _generatePdf(), dpi: 96)) {
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final image = page.asImage();
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bytes += generator.image(image);
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bytes += generator.reset();
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bytes += generator.cut();
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}
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return bytes;
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}
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Future<List<int>> getSamplePosBytes({
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int paperSizeWidthMM = PaperSizeMaxPerLine.mm80,
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int maxPerLine = PaperSizeMaxPerLine.mm80,
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CapabilityProfile? profile,
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String name = "default",
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}) async {
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List<int> bytes = [];
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_profile = profile ?? (await CapabilityProfile.load(name: name));
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print(_profile!.name);
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_paperSizeWidthMM = paperSizeWidthMM;
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_maxPerLine = maxPerLine;
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EscGenerator ticket =
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EscGenerator(_paperSizeWidthMM!, _maxPerLine!, _profile!);
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bytes += ticket.reset();
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//Print image
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// final ByteData data = await rootBundle.load('assets/logo.png');
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// final Uint8List imageBytes = data.buffer.asUint8List();
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// final img.Image? image = img.decodeImage(imageBytes);
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// if (image != null) {
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// img.Image thumbnail = img.copyResize(image, width: 400);
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// bytes += ticket.image(thumbnail);
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// bytes += ticket.reset();
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// }
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// bytes += ticket.text(
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// 'Regular: aA bB cC dD eE fF gG hH iI jJ kK lL mM nN oO pP qQ rR sS tT uU vV wW xX yY zZ');
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// bytes += ticket.text('Special 1: ', styles: PosStyles(codeTable: 'CP1252'));
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// bytes += ticket.text('Special 2: blåbærgrød',
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// styles: PosStyles(codeTable: 'CP1252'));
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// bytes += ticket.text('Bold text', styles: PosStyles(bold: true));
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// bytes += ticket.text('Reverse text', styles: PosStyles(reverse: true));
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// bytes += ticket.text('Underlined text',
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// styles: PosStyles(underline: true), linesAfter: 1);
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// bytes += ticket.text('Align left', styles: PosStyles(align: PosAlign.left));
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// bytes +=
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// ticket.text('Align center', styles: PosStyles(align: PosAlign.center));
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// bytes += ticket.text('Align right',
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// styles: PosStyles(align: PosAlign.right), linesAfter: 1);
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// bytes += ticket.text('SKS DEPARTMENT STORE',
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// styles: PosStyles(
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// align: PosAlign.center,
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// height: PosTextSize.size1,
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// width: PosTextSize.size1,
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// ));
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// bytes += ticket.text('889 Watson Lane',
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// styles: PosStyles(align: PosAlign.center));
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// bytes += ticket.text('New Braunfels, TX',
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// styles: PosStyles(align: PosAlign.center));
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// bytes += ticket.text('Tel: 830-221-1234',
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// styles: PosStyles(align: PosAlign.center));
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// bytes +=
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// ticket.text('Web: .com', styles: PosStyles(align: PosAlign.center));
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// bytes += ticket.hr();
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// bytes += ticket.row([
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// PosColumn(text: 'Qty', width: 1),
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// PosColumn(text: 'Item', width: 5),
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// PosColumn(
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// text: 'Price', width: 3, styles: PosStyles(align: PosAlign.right)),
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// PosColumn(
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// text: 'Total ', width: 3, styles: PosStyles(align: PosAlign.right)),
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// ]);
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// bytes += ticket.hr();
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// bytes += ticket.row([
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// PosColumn(text: '2', width: 1),
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// PosColumn(text: 'ONION RINGS ONION RINGS ONION', width: 5),
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// PosColumn(
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// text: '0.99', width: 3, styles: PosStyles(align: PosAlign.right)),
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// PosColumn(
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// text: '1.98', width: 3, styles: PosStyles(align: PosAlign.right)),
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// ]);
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// bytes += ticket.row([
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// PosColumn(text: '1', width: 1),
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// PosColumn(text: 'PIZZA', width: 7),
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// PosColumn(
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// text: '3.45', width: 2, styles: PosStyles(align: PosAlign.right)),
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// PosColumn(
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// text: '3.45', width: 2, styles: PosStyles(align: PosAlign.right)),
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// ]);
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// bytes += ticket.row([
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// PosColumn(text: '1', width: 1),
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// PosColumn(text: 'SPRING ROLLS', width: 7),
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// PosColumn(
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// text: '2.99', width: 2, styles: PosStyles(align: PosAlign.right)),
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// PosColumn(
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// text: '2.99', width: 2, styles: PosStyles(align: PosAlign.right)),
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// ]);
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// bytes += ticket.row([
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// PosColumn(text: '3', width: 1),
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// PosColumn(text: 'CRUNCHY STICKS', width: 7),
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// PosColumn(
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// text: '0.85', width: 2, styles: PosStyles(align: PosAlign.right)),
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// PosColumn(
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// text: '2.55', width: 2, styles: PosStyles(align: PosAlign.right)),
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// ]);
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// bytes += ticket.hr();
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// bytes += ticket.row([
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// PosColumn(
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// text: 'TOTAL',
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// width: 6,
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// styles: PosStyles(
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// height: PosTextSize.size2,
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// width: PosTextSize.size2,
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// )),
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// PosColumn(
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// text: '\$10.97',
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// width: 6,
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// styles: PosStyles(
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// align: PosAlign.right,
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// height: PosTextSize.size2,
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// width: PosTextSize.size2,
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// )),
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// ]);
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// bytes += ticket.hr(ch: '=', linesAfter: 1);
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// bytes += ticket.row([
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// PosColumn(
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// text: 'CASH',
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// width: 7,
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// styles: PosStyles(align: PosAlign.right, width: PosTextSize.size2)),
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// PosColumn(
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// text: '\$15.00',
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// width: 5,
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// styles: PosStyles(align: PosAlign.right, width: PosTextSize.size2)),
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// ]);
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// bytes += ticket.row([
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// PosColumn(
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// text: 'CHANGE',
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// width: 7,
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// styles: PosStyles(align: PosAlign.right, width: PosTextSize.size2)),
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// PosColumn(
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// text: '\$4.03',
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// width: 5,
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// styles: PosStyles(align: PosAlign.right, width: PosTextSize.size2)),
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// ]);
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// bytes += ticket.feed(1);
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bytes += ticket.text('Thank you!',
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styles: PosStyles(align: PosAlign.center, bold: true));
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bytes += ticket.text('MM TOYS',
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styles: const PosStyles(align: PosAlign.center, bold: true));
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bytes += ticket.text('Cikijing, Talaga, Bantarujeg, Rancah',
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styles: const PosStyles(align: PosAlign.center, bold: true));
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bytes += ticket.row([
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PosColumn(
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width: 6,
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text: 'PENJUALAN :',
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styles: const PosStyles(align: PosAlign.left, codeTable: 'CP1252')),
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PosColumn(
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width: 6,
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text: '2024-03-14',
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styles: const PosStyles(align: PosAlign.right, codeTable: 'CP1252')),
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]);
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bytes += ticket.row([
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PosColumn(
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width: 8,
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text: 'PELANGGAN : UMUM-RCH',
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styles: const PosStyles(align: PosAlign.left, codeTable: 'CP1252')),
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PosColumn(
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width: 4,
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text: '15:30',
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styles: const PosStyles(align: PosAlign.right, codeTable: 'CP1252')),
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]);
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bytes += ticket.text('--------------------------------',
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styles: const PosStyles(align: PosAlign.center));
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bytes += ticket.row([
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PosColumn(
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width: 6,
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text: 'Qty',
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styles: const PosStyles(align: PosAlign.left, codeTable: 'CP1252')),
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PosColumn(
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width: 6,
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text: 'Nama Produk',
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styles: const PosStyles(align: PosAlign.left, codeTable: 'CP1252')),
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]);
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bytes += ticket.row([
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PosColumn(
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width: 3,
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text: 'Harga',
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styles: const PosStyles(align: PosAlign.right, codeTable: 'CP1252')),
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PosColumn(
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width: 3,
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text: 'Dis.',
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styles: const PosStyles(align: PosAlign.right, codeTable: 'CP1252')),
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PosColumn(
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width: 3,
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text: 'PPn',
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styles: const PosStyles(align: PosAlign.right, codeTable: 'CP1252')),
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PosColumn(
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width: 3,
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text: 'Netto',
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styles: const PosStyles(align: PosAlign.right, codeTable: 'CP1252')),
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]);
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bytes += ticket.text('--------------------------------',
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styles: const PosStyles(align: PosAlign.center));
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// Dummy transaction data
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List<String> dummyProducts = [
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'Product 1',
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'Product 2',
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'Product 3',
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];
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for (var productName in dummyProducts) {
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bytes += ticket.row([
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PosColumn(
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width: 12,
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text: '2 ${productName.toUpperCase()}',
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styles: const PosStyles(
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align: PosAlign.left,
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codeTable: 'CP1252',
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)),
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]);
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bytes += ticket.row([
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PosColumn(
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width: 3,
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text: '10.0',
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styles: const PosStyles(align: PosAlign.left, codeTable: 'CP1252')),
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PosColumn(
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width: 3,
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text: '0.0',
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styles:
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const PosStyles(align: PosAlign.right, codeTable: 'CP1252')),
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PosColumn(
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width: 3,
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text: '',
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styles:
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const PosStyles(align: PosAlign.right, codeTable: 'CP1252')),
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PosColumn(
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width: 3,
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text: '20.0',
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styles:
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const PosStyles(align: PosAlign.right, codeTable: 'CP1252')),
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]);
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}
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bytes += ticket.text('--------------------------------',
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styles: const PosStyles(align: PosAlign.center));
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// Dummy total and payment data
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bytes += ticket.row([
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PosColumn(
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width: 4,
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text: 'Jumlah : 3',
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styles: const PosStyles(align: PosAlign.left, codeTable: 'CP1252')),
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PosColumn(
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width: 4,
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text: 'Item : 6',
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styles: const PosStyles(align: PosAlign.center, codeTable: 'CP1252')),
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PosColumn(
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width: 4,
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text: '33.0',
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styles: const PosStyles(align: PosAlign.right, codeTable: 'CP1252')),
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]);
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// Dummy grand total, payment, change, and cashier data
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bytes += ticket.row([
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PosColumn(
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width: 6,
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text: 'Grand Total',
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styles: const PosStyles(align: PosAlign.left, codeTable: 'CP1252')),
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PosColumn(
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width: 1,
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text: ':',
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styles: const PosStyles(align: PosAlign.left, codeTable: 'CP1252')),
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PosColumn(
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width: 5,
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text: '33.0',
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styles: const PosStyles(align: PosAlign.right, codeTable: 'CP1252')),
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]);
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bytes += ticket.row([
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PosColumn(
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width: 6,
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text: 'Pembayaran',
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styles: const PosStyles(align: PosAlign.left, codeTable: 'CP1252')),
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PosColumn(
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width: 1,
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text: ':',
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styles: const PosStyles(align: PosAlign.left, codeTable: 'CP1252')),
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PosColumn(
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width: 5,
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text: '50.0',
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styles: const PosStyles(align: PosAlign.right, codeTable: 'CP1252')),
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]);
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bytes += ticket.row([
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PosColumn(
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width: 6,
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text: 'Kembalian',
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styles: const PosStyles(align: PosAlign.left, codeTable: 'CP1252')),
|
|
PosColumn(
|
|
width: 1,
|
|
text: ':',
|
|
styles: const PosStyles(align: PosAlign.left, codeTable: 'CP1252')),
|
|
PosColumn(
|
|
width: 5,
|
|
text: '17.0',
|
|
styles: const PosStyles(align: PosAlign.right, codeTable: 'CP1252')),
|
|
]);
|
|
bytes += ticket.row([
|
|
PosColumn(
|
|
width: 6,
|
|
text: 'Kasir',
|
|
styles: const PosStyles(align: PosAlign.left, codeTable: 'CP1252')),
|
|
PosColumn(
|
|
width: 6,
|
|
text: 'Anisa',
|
|
styles: const PosStyles(align: PosAlign.right, codeTable: 'CP1252')),
|
|
]);
|
|
|
|
bytes += ticket.text('--------------------------------',
|
|
styles: const PosStyles(align: PosAlign.center));
|
|
|
|
bytes += ticket.text(
|
|
'BARANG YANG SUDAH DI BELI TIDAK DAPAT DITUKAR / DIKEMBALIKAN',
|
|
styles: const PosStyles(align: PosAlign.center));
|
|
bytes += ticket.text('TERIMA KASIH',
|
|
styles: const PosStyles(align: PosAlign.center));
|
|
|
|
// final now = DateTime.now();
|
|
// final formatter = DateFormat('MM/dd/yyyy H:m');
|
|
// final String timestamp = formatter.format(now);
|
|
// bytes += ticket.text(timestamp,
|
|
// styles: PosStyles(align: PosAlign.center), linesAfter: 2);
|
|
|
|
//Print QR Code from image
|
|
// try {
|
|
// const String qrData = 'example.com';
|
|
// const double qrSize = 100;
|
|
// final uiImg = await QrPainter(
|
|
// data: qrData,
|
|
// version: QrVersions.auto,
|
|
// gapless: false,
|
|
// ).toImageData(qrSize);
|
|
// final dir = await getTemporaryDirectory();
|
|
// final pathName = '${dir.path}/qr_tmp.png';
|
|
// final qrFile = File(pathName);
|
|
// final imgFile = await qrFile.writeAsBytes(uiImg!.buffer.asUint8List());
|
|
// final image = img.decodeImage(imgFile.readAsBytesSync());
|
|
|
|
// bytes += ticket.image(image!);
|
|
// } catch (e) {
|
|
// print(e);
|
|
// }
|
|
|
|
// Print QR Code using native function
|
|
// bytes += ticket.qrcode('example.com');
|
|
|
|
bytes += ticket.feed(1);
|
|
bytes += ticket.cut();
|
|
|
|
return bytes;
|
|
}
|
|
}
|