import 'dart:typed_data'; import 'package:flutter/services.dart' show rootBundle; import 'package:pdf/pdf.dart'; import 'package:pdf/widgets.dart' as pw; import 'package:printing/printing.dart'; Future generateKhmerPdf() async final pdf = pw.Document(); // 1. Load the font from assets final fontData = await rootBundle.load('assets/fonts/KhmerOSbattambang.ttf'); final khmerFont = pw.Font.ttf(fontData); // 2. Add page pdf.addPage( pw.Page( pageFormat: PdfPageFormat.a4, build: (pw.Context context) return pw.Center( child: pw.Text( 'សួស្តីពិភពលោក (Hello World)', style: pw.TextStyle(font: khmerFont, fontSize: 24), ), ); , ), ); return pdf.save(); Use code with caution.
To get started with Flutter Khmer PDF, you'll need to add the library to your Flutter project. You can do this by adding the following dependency to your pubspec.yaml file:
For the most robust handling, you can use a package like flutter_script_renderer . This package is specifically designed for rendering multilingual text with proper styling for Southeast Asian scripts, including Khmer, Thai, Lao, and Myanmar. flutter khmer pdf
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Khmer vowels can be placed before, after, above, or below the base consonant. import 'dart:typed_data'; import 'package:flutter/services
final directory = await getDownloadsDirectory(); final result = await FlutterHtmlToPdfV2.convertHtmlToPdf( htmlContent: htmlContent, outputPath: '$directory!.path/khmer_document.pdf', );
Introduction Integrating PDF generation and viewing features into mobile applications is a frequent requirement for modern developers. For developers targeting the Cambodian market, generating PDFs in the Khmer language using Flutter presents unique challenges. Khmer text requires complex script rendering, specific font embedding, and precise text shaping to display vowels, sub-scripts, and consonants correctly. To get started with Flutter Khmer PDF, you'll
Therefore, the solution depends on two critical steps:
Most PDF generation packages in Flutter (such as the popular pdf package) read TrueType fonts (.ttf) but lack a complex text-shaping engine like HarfBuzz. In Khmer typography:
Once you've added the dependency, run flutter pub get to install the library.
Without a text-shaping layer, the PDF engine simply renders characters sequentially from left to right, resulting in unreadable text. To fix this, developers must use specific fonts, pre-render text, or utilize native platform views.