Create a folder in your Flutter project directory at assets/fonts/ .
a valid Khmer Unicode font from Google Fonts (e.g., Battambang or Siemreap ).
The default PDF generation engine doesn't automatically bundle these glyphs. If you try to print Khmer without a dedicated font, the text appears as empty boxes ( [] ) or broken characters. flutter khmer pdf updated
We must bundle a TrueType Font (.ttf) like Khmer OS Battambang , Khmer OS Siemreap , or Noto Sans Khmer directly into the Flutter app assets or fetch it dynamically. 📂 Step 1: Set Up Khmer Fonts in Your Assets
Use the printing package to offer users a real-time preview and export options: Create a folder in your Flutter project directory
import 'package:flutter/material.dart'; import 'package:printing/printing.dart'; import 'khmer_pdf_service.dart'; class PdfViewerScreen extends StatelessWidget { const PdfViewerScreen({Key? key}) : super(key: key); @override Widget build(BuildContext context) { return Scaffold( appBar: AppBar(title: const Text('របាយការណ៍ជា PDF')), body: PdfPreview( build: (format) async { final file = await KhmerPdfService.generateKhmerInvoice(); return file.readAsBytes(); }, allowPrinting: true, allowSharing: true, ), ); } } Use code with caution. ⚠️ Troubleshooting Common Issues
dependencies: flutter: sdk: flutter pdf: ^3.10.8 # core package for drawing PDFs printing: ^5.13.2 # for viewing and saving PDFs path_provider: ^2.1.2 # to access internal device storage Use code with caution. 🔡 Why Khmer Script Breaks in PDFs If you try to print Khmer without a
Use this clean, production-ready code to convert Khmer text into a high-quality PDF document. This method loads the font dynamically into memory via rootBundle to guarantee correct script rendering.