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Tilman
On 11.02.2025 07:30, 李一凡 wrote:
Hello,
I am currently using JDK17 and pdfbox-2.0.33.jar to convert PDFs into
images on a Windows 10 system.
My PDF uses the NotoSansSC-Regular font, and it displays Chinese
characters correctly in browsers and any PDF software. However, when
using PDFBox to convert the PDF to an image, only the numbers are
displayed correctly, and all other Chinese characters are rendered as
garbled text.
I have already ensured that the font is properly installed on my
machine (the font file is NotoSansSC-Regular.ttf, downloaded from the
official Google website
<https://fonts.google.com/noto/specimen/Noto+Sans+SC?hl=zh-cn&query=noto+sans+sc>).
However, after installing it on Windows, the font name appears as
"Noto Sans SC Regular" rather than "NotoSansSC-Regular."
I debugged the program and found that the font is located on line 109
of the |PDCIDFontType0.java| file. However, there is a warning:
|WARN org.apache.pdfbox.rendering.CIDType0Glyph2D - No glyph for 16393
(CID 4009) in font AAAAAA+NotoSansSC-Regular.|
So my question is: Is it possible that the "NotoSansSC-Regular" font
used in the test.pdf is not valid? What steps should I take to ensure
that it uses the "Noto Sans SC Regular" font from my Windows system
directly?
Thank you for your help.
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