This comprehensive guide covers how to display Khmer text properly, generate high-quality PDFs, and overcome common layout bugs in Flutter. The Challenge with Khmer Script in PDFs
syncfusion_flutter_pdf : A powerful, native Dart library for creating and securing PDFs that can handle multi-language embedding.
ElevatedButton( onPressed: () async // Define the page setup (size, margins, etc.) final setup = PageSetup( context: context, // Important for accessing theme data pageFormat: PageFormat.a4, margins: 40, ); // Create an instance of your Khmer page and generate the PDF final pdfFile = await const KhmerCertificatePage().toPDF(setup: setup);
The pdf package uses a basic line breaker that typically works for Latin scripts but often fails with Khmer because Khmer does not use spaces between words in the same way English does. Words are separated by meaning, not always by spaces. flutter khmer pdf
. Standard Flutter widgets do not translate directly to PDF; instead, developers use specific packages that mimic Flutter’s layout system while requiring manual font embedding for non-Latin scripts. 1. Essential Packages To start, you will need the following dependencies in your pubspec.yaml : The core engine for producing PDF files.
Do you need to support alongside the Khmer text? Share public link
flutter: assets: - assets/fonts/KantumruuyPro-Regular.ttf - assets/fonts/KantumruuyPro-Bold.ttf Use code with caution. Step 2: Designing the Khmer PDF Document This comprehensive guide covers how to display Khmer
Future<void> generateKhmerPdfWithPdfPackage() async final pdf = pw.Document();
import 'package:flutter_khmer_pdf/flutter_khmer_pdf.dart';
: If your PDF contains text in a language that requires specific fonts (like Khmer), ensure those fonts are used properly in your PDF document. Words are separated by meaning, not always by spaces
: A focused introductory document available on Scribd that covers the absolute basics of getting started in the Khmer language.
For business apps generating receipts or invoices in Khmer, you face a second hurdle: . While Khmer uses Latin numerals (0-9) commonly, traditional Khmer numerals (០-៩) are also used.
The line-height requirements for Khmer text are taller than English because of upper vowels and lower subscripts. Use style: pw.TextStyle(lineSpacing: 4) to prevent vertical overlapping between text rows.
// 3. Add a page with Khmer text pdf.addPage( pw.Page( build: (pw.Context context) return pw.Center( child: pw.Text( 'សួស្តី! នេះគឺជាឯកសារ PDF ជាភាសាខ្មែរ។', // "Hello! This is a PDF document in Khmer." style: pw.TextStyle(font: ttf, fontSize: 20), ), ); , ), );
Generating PDFs in Flutter can be useful in a variety of scenarios, such as: