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https://issues.apache.org/jira/browse/PDFBOX-6172?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18062370#comment-18062370
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Tilman Hausherr commented on PDFBOX-6172:
-----------------------------------------
You can change it in {{OS2WindowsMetricsTable.setWeightClass()}} but it's still
the same looks. This is informational.
> PDF displays garbled characters in Adobe Reader but renders correctly in web
> browsers
> -------------------------------------------------------------------------------------
>
> Key: PDFBOX-6172
> URL: https://issues.apache.org/jira/browse/PDFBOX-6172
> Project: PDFBox
> Issue Type: Bug
> Affects Versions: 2.0.35
> Reporter: bai yuan
> Priority: Major
> Attachments: NotoSansSC-Regular.otf,
> image-2026-03-02-15-59-36-196.png, image-2026-03-02-16-00-28-488.png,
> output.pdf, screenshot-1.png
>
>
> When exporting a PDF document, some characters appear as garbled text or
> square boxes when the file is opened in Adobe Acrobat Reader. However, the
> same PDF renders correctly when opened in web browsers such as Chrome or Edge.
> {code:java}
> try (PDDocument document = new PDDocument()) {
> PDPage page = new PDPage();
> document.addPage(page);
> OpenTypeFont otf = new OTFParser().parse("NotoSansSC-Regular.otf");
> PDFont font = PDType0Font.load(document, otf, false);
> PDPageContentStream contentStream = new PDPageContentStream(document,
> page);
> contentStream.beginText();
> contentStream.setFont(font, 12);
> contentStream.newLineAtOffset(100, 700);
> contentStream.showText("手机号码");
> contentStream.endText();
> contentStream.close();
> document.save("output.pdf");
> } catch (IOException e) {
> e.printStackTrace();
> } {code}
> !image-2026-03-02-16-00-28-488.png!
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