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Fix PDF export for non-Latin characters #16613

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Fix PDF export for non-Latin characters #16613

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4b50491
Initial plan
Copilot Dec 9, 2025
421f9d4
Add Unicode font support for PDF export to fix non-Latin text rendering
Copilot Dec 9, 2025
5892a73
Update Roboto font subset with proper font tables for Unicode support
Copilot Dec 9, 2025
2ffe6c9
Add demonstration of Unicode PDF export functionality
Copilot Dec 9, 2025
e2b2d09
Remove demo file
Copilot Dec 9, 2025
dfa00d6
Merge branch 'master' into copilot/fix-pdf-export-non-latin-text
gedinakova Dec 9, 2025
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19 changes: 13 additions & 6 deletions projects/igniteui-angular/grids/core/src/services/pdf/pdf-exporter.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@ import { ExportUtilities } from '../exporter-common/export-utilities';
import { IgxPdfExporterOptions } from './pdf-exporter-options';
import { IBaseEventArgs } from 'igniteui-angular/core';
import type { jsPDF } from 'jspdf';
import { RobotoSubsetFont } from './roboto-subset-font';

export interface IPdfExportEndedEventArgs extends IBaseEventArgs {
pdf?: jsPDF;
Expand Down Expand Up @@ -222,6 +223,11 @@ export class IgxPdfExporterService extends IgxBaseExporter {
format: options.pageSize
});

// Add Unicode-capable font for non-Latin character support
// This allows proper rendering of Chinese, Japanese, and other non-Latin scripts
pdf.addFileToVFS('Roboto-Subset.ttf', RobotoSubsetFont);
pdf.addFont('Roboto-Subset.ttf', 'Roboto', 'normal');

const pageWidth = pdf.internal.pageSize.getWidth();
const pageHeight = pdf.internal.pageSize.getHeight();
const margin = 40;
Expand All @@ -241,7 +247,8 @@ export class IgxPdfExporterService extends IgxBaseExporter {

let yPosition = margin;

// Set font
// Set font to Roboto for Unicode support
pdf.setFont('Roboto', 'normal');
pdf.setFontSize(options.fontSize);

// Draw multi-level headers if present
Expand All @@ -268,7 +275,7 @@ export class IgxPdfExporterService extends IgxBaseExporter {
}

// Draw data rows
pdf.setFont('helvetica', 'normal');
pdf.setFont('Roboto', 'normal');

// Check if this is a tree grid export (tree grids can have both TreeGridRecord and DataRecord types for nested children)
const isTreeGridExport = data.some(record => record.type === ExportRecordType.TreeGridRecord);
Expand Down Expand Up @@ -423,7 +430,7 @@ export class IgxPdfExporterService extends IgxBaseExporter {
allColumns?: any[]
): number {
let yPosition = yStart;
pdf.setFont('helvetica', 'bold');
pdf.setFont('Roboto', 'bold');

// First, draw row dimension header labels (for pivot grids) if present
// Draw headers if we have any row dimension headers, regardless of maxRowLevel
Expand Down Expand Up @@ -633,7 +640,7 @@ export class IgxPdfExporterService extends IgxBaseExporter {
yPosition = yStart + totalHeaderHeight;
}

pdf.setFont('helvetica', 'normal');
pdf.setFont('Roboto', 'normal');
return yPosition;
}

Expand Down Expand Up @@ -842,7 +849,7 @@ export class IgxPdfExporterService extends IgxBaseExporter {
tableWidth: number,
options: IgxPdfExporterOptions
): void {
pdf.setFont('helvetica', 'bold');
pdf.setFont('Roboto', 'bold');
pdf.setFillColor(240, 240, 240);

if (options.showTableBorders) {
Expand Down Expand Up @@ -908,7 +915,7 @@ export class IgxPdfExporterService extends IgxBaseExporter {
pdf.text(headerText, textX, textY);
});

pdf.setFont('helvetica', 'normal');
pdf.setFont('Roboto', 'normal');
}

private drawDataRow(
Expand Down
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