Hello Fangqiao,
Your files didn't get through, you must upload them to a sharehoster.
But I suspect that this is a known problem with chinese fonts, the cause
is explained here:
https://issues.apache.org/jira/browse/PDFBOX-3293
How to fix it - by implementing font hinting. Which we haven't done.
There is no workaround, sadly. (Except of course use better fonts when
creating the PDF).
There are some commercial java products (google for them). At least two
of them have implemented font hinting (the others I don't know).
Sorry for not having better news.
Tilman
Am 18.08.2017 um 11:56 schrieb YE ...:
Hi,
I am from China and using PDFBox to convert pdf files to images. It
worked excellently in most cases. Thanks a lot for the team's great work.
However recently I used it to convert some invoices in PDF to images
and then some Chinese characters weren't converted correctly. Attached
is a sample PDF file, converted image and a screen shot of the
original PDF opened in PDF reader, which displayed all Chinese correctly.
I am seeking help from the community:
- what's the possible cause for the problem?
I guess that in the original pdf file some Chinese characters' font
wasn't set correctly.
- how to fix it?
If the above guess is correct, is there a way to detect correct font
type and set the correct font for conversion?
- or is there other solution that can fix the problem?
Many thanks,
Fangqiao
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