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Votes

PDFViewer FallbackFontCollection didn't work correctly

I have a PDF document, and when previewing it with PDFViewer Components, some characters cannot be displayed properly. After I used the customFonts property and added the simhei ttf file to the wwwroot folder, the characters displayed correctly.

However, unfortunately, in my production environment, I'm using an expired site certificate, and the network is extremely slow, causing the font file to be requested from the server every time. As a result, before the web page fully loads the font, PDFViewer still fails to display those characters properly.

I found the FallbackFontCollection property, which seems like it could solve this issue, but when I tried to use it instead of customFonts, I discovered that it didn't work as expected.

Please see details in the attachment.Looking forward to your prompt reply.

Thanks,

Liu weifeng