portakal_flutter 0.1.4

Universal printer language SDK — TSC, ZPL, EPL, ESC/POS, CPCL, DPL, IPL, SBPL, Star PRNT. Text, images, printer-native commands, and Flutter preview widgets.

example/main.dart

import 'package:portakal_flutter/portakal_flutter.dart';

void main() {
  final labelBuilder =
      label(
            LabelConfig(
              width: 40,
              height: 30,
              unit: Unit.mm,
              printer: 'zebra-zd420',
            ),
          )
          .text(
            'Hello Portakal',
            TextOptions(x: 16, y: 20, size: 2, bold: true),
          )
          .line(LineOptions(x1: 16, y1: 60, x2: 280, y2: 60, thickness: 2))
          .box(BoxOptions(x: 12, y: 12, width: 296, height: 200, thickness: 2));

  final tscCode = tsc.compile(labelBuilder);
  final zplCode = zpl.compile(labelBuilder);

  final converted = convert(tscCode, 'tsc', 'zpl');
  final parsed = zpl.parse(zplCode);
  final validation = zpl.validate(zplCode);
  final svg = zpl.preview(labelBuilder);
  final convertedLength = switch (converted.output) {
    String value => value.length,
    List<int> value => value.length,
    _ => converted.output.toString().length,
  };

  print('=== Portakal Flutter Example ===');
  print('TSC output length: ${tscCode.length}');
  print('ZPL output length: ${zplCode.length}');
  print('Converted TSC -> ZPL length: $convertedLength');
  print('Parsed ZPL commands: ${parsed.commands.length}');
  print('Validation valid: ${validation.valid}');
  print('Validation issues: ${validation.issues.length}');
  print('SVG preview length: ${svg.length}');
  print(
    'Printer profile example (zebra-zd420): ${getProfile('zebra-zd420') != null}',
  );
  print(
    'Flutter widget preview example: flutter run -t example/flutter_preview.dart',
  );
}