CODEWITHSUNDEEP
pdfuwpwatermarkpdfiumpdf-annotations
Madushan Amarasinghe
Madushan Amarasinghe

Reputation: 49

Add watermark to PDF using PDFium

I'm implementing a PDF editor on UWP using PDFium as the base library. I cannot seem to find any proper way of adding/creating watermarks on a document.

I went through the PDFium source and spec documents but didn't find anything useful.

I tried to analyze some PDF documents with watermarks but it is unclear how they are created and couldn't find a common mapping too.

Could someone please help me understand how watermarks are added to PDF documents?

Any help is much appreciated. Thanks

Upvotes: 0

Views: 419

Answers (1)

wangdschina
wangdschina

Reputation: 1

pdfium don't support add watermark directly. You can add page object to implement.

Upvotes: 0

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