[PDFBOX-3997] Cannot encode strings with of surrogate pairs

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.8
• Fix Version/s: 2.0.9, 3.0.0 PDFBox
• Component/s: FontBox
• Labels: emoji
• External issue URL: https://stackoverflow.com/questions/47141783/pdfbox-cannot-encode-strings-comprised-of-surrogate-pairs
• Assignee: Tilman Hausherr
• Reporter: Tilman Hausherr
• Created: 07/Nov/17 16:42
• Updated: 24/Mar/18 09:41
• Resolved: 07/Nov/17 18:40

Description

This code doesn't work:

try (PDDocument doc = new PDDocument())
{
    PDPage page = new PDPage();
    doc.addPage(page);
    try (PDPageContentStream cs = new PDPageContentStream(doc, page))
    {
        PDFont font = PDType0Font.load(doc, new File("NotoEmoji-Regular.ttf"));
        cs.setFont(font, 50);
        cs.beginText();
        cs.newLineAtOffset(100, 700);
        cs.showText("\uD83D\uDE81");
        cs.endText();
    }
    doc.save("heli.pdf");
}

It throws an exception

IllegalArgumentException: No glyph for U+1F681 in font NotoEmoji