This paper addresses the specific technical challenges of rendering the Khmer script (used in Cambodia) within the PDF format, which typically lacks robust support for complex script rendering. Implementation of a Robust Khmer PDF Processing System using Flutter’s Rendering Engine
// Solution: Render Flutter Widget to Image, then to PDF. import 'package:pdf/widgets.dart' as pw; import 'package:printing/printing.dart'; Future<Uint8List> generateKhmerPDF(String khmerContent) async // 1. Create a Flutter widget (not a pdf widget) final widget = MaterialApp( home: Scaffold( body: Center( child: Text( khmerContent, style: TextStyle( fontFamily: 'KhmerOS', // Bundled font fontSize: 20, ), ), ), ), ); Flutter Khmer Pdf
// Run this in any Flutter app after adding 'printing: ^5.11.0' and 'pdf: ^3.10.4' Future<void> printSolidKhmerPDF() async final pdf = pw.Document(); final font = await PdfGoogleFonts.notoSansKhmerRegular(); // From 'pdf' package pdf.addPage(pw.Page( pageFormat: PdfPageFormat.a4, build: (context) => pw.Column(children: [ pw.Text('វិក្កយបត្រ (Invoice)', style: pw.TextStyle(font: font, fontSize: 30)), pw.SizedBox(height: 20), pw.Text('ឈ្មោះ៖ ម៉េង ម៉េង', style: pw.TextStyle(font: font, fontSize: 16)), pw.Text('សរុបទឹកប្រាក់៖ ១,០០០,០០០ រៀល', style: pw.TextStyle(font: font, fontSize: 16)), ]), )); This paper addresses the specific technical challenges of