PDFTRON Obj-C SDK
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Watermark remains when operating offcie to pdf
How to remove Watermark?
I used demo key
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There is no straight forward way to remove a watermark because there is no universal way the watermark is defined within the PDF elements. Please see the following guide, specifically the portion on ElementEdit:
Q: Is there a way to remove a watermark from an existing PDF document
i.e. one not created using PDFNet?
A: If the watermark/stamp is represented as a annotation you could use
page.AnnotRemove() to remove the annotation object from the page.
In watermark/stamp is part of PDF content stream you could remove
graphical elements as shown in ElementEdit sample project (http://
www.pdftron.com/pdfnet/samplecode.html#ElementEdit). The only tricky
part is how to identify the part of th…
Hi, i have a license and use PDFTron tool for my mobile app, how can i show/hide or custom watermark in viewer with Flutter Framework?
My license: Bigal Co, Ltd…
For using WebViewer, you can take a look at this
guide for how to custom watermark in WebViewer. Thanks.