Flutter Khmer Pdf Updated __link__ Info

Always cache the loaded font in memory if you are generating multi-page PDFs or running the process inside a loop.

Ensure the .ttf path in your pubspec.yaml matches the rootBundle.load() path exactly. Run flutter clean and then rebuild. flutter khmer pdf updated

Using standard default fonts or incorrectly configuring the text-shaping engine will result in missing or broken characters. 🛠️ Essential Packages for PDF Generation Always cache the loaded font in memory if

import 'dart:io'; import 'package:flutter/services.dart'; import 'package:pdf/pdf.dart'; import 'package:pdf/widgets.dart' as pw; import 'package:path_provider/path_provider.dart'; class KhmerPdfService { static Future generateKhmerInvoice() async { final pdf = pw.Document(); // 1. Load the Khmer font from app assets final ByteData fontData = await rootBundle.load('assets/fonts/KhmerOS-Regular.ttf'); final pw.Font khmerFont = pw.Font.ttf(fontData); // 2. Add page with a custom theme applying the Khmer font pdf.addPage( pw.Page( pageFormat: PdfPageFormat.a4, theme: pw.ThemeData.withFont( base: khmerFont, bold: khmerFont, // Optionally load a bold ttf variant here ), build: (pw.Context context) { return pw.Center( child: pw.Column( mainAxisAlignment: pw.MainAxisAlignment.center, crossAxisAlignment: pw.CrossAxisAlignment.center, children: [ pw.Text( 'វិក្កយបត្រអេឡិចត្រូនិច', style: pw.TextStyle( font: khmerFont, fontSize: 24, color: PdfColors.blue900, ), ), pw.SizedBox(height: 10), pw.Text( 'សូមអរគុណចំពោះការគាំទ្ររបស់អ្នក!', style: pw.TextStyle( font: khmerFont, fontSize: 16, ), ), pw.SizedBox(height: 20), pw.Text( 'កាលបរិច្ឆេទ: ${DateTime.now().toLocal().toString().split(' ')[0]}', style: pw.TextStyle(font: khmerFont, fontSize: 12), ), ], ), ); }, ), ); // 3. Save the PDF to the device documents directory final outputDir = await getApplicationDocumentsDirectory(); final file = File('${outputDir.path}/khmer_invoice.pdf'); await file.writeAsBytes(await pdf.save()); return file; } } Use code with caution. 📑 Comparative Table: PDF Generation Approaches Rendering Approach Best Used For Using standard default fonts or incorrectly configuring the

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