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Questions tagged [pdftron]

Use this tag for questions regarding any PDFTron product that does not have its own tag.

PDFTron is a company that develops cross-platform PDF toolkits and libraries.

346 questions
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How to add OCSPs, CRLs and Certs the Document Security Store (DSS) of a PDF BEFORE Signing in C++?

I am trying to have my PDF’s certification LTV enabled along with the document permission of PDF::DigitalSignatureField::e_no_changes_allowed since this two requirements are a MUST HAVE on the app we are building. As far as I have learned, there is…
anakin
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Does the PDFTron support get image from api in react native?

is there a way to select image data from API as signature then paste it in pdf instead of selecting image from gallery/photo/camera in react-native-pdftron ?
Robbani Agil
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How to find user clicks on a link inside a PDF page

This is regarding UWP PDFNet Sdk. I need to capture an event when a user clicks on an embedded link in a PDF document. I need to capture the embedded link's data as well. Any help would be appreciated.
SurenSaluka
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PDF text search in Angular 5+

I am trying to achieve something like below. I want the list of matching text should be listed in right side bar. I am sure it can be done using PDFTron but I am looking for alternatives. Is it possible to implement using ng2-pdf-viewer? Any help…
Siva
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How to disable the comments Section on annotation on PDFTron Webviewer?

I need to disable the comments and replies on annotatation on Doc. I am using pdftron webviewer version 7. There is way to disable elements like panels... doing instance.disableElements(['nameOfElement']); but I do not know how to disable comments.…
onClick
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PDFTron Digital Signature

I'm currently working on a Digital Signature project in Python which can create digital signature on PDF documents and verify them. I was able to add a single digital signature to PDF Files using the code below: PDFNet.Initialize() doc =…
Chetra_S11
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pdfjs cannot use function 'getPageIterator'

I am trying to follow the documentation for pdfjs found here https://www.pdftron.com/documentation/core/guides/features/manipulation/remove/ in an attempt to remove a page from a PDF I have uploaded to my html page. Here is my html code:
Mathew
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Merge video annotations using PDFtron

I am using PDFTron for merging and saving of video annotation. When I am trying to merge the video annotation it gives an error: Unhandled Rejection (Error): ffmpeg.wasm is not ready, make sure you have completed…
Amol Shinde
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NextJS CSP header destroying PDFtron iframe content

I recently added CSP header to my project. At the same time, I am also using PDFTron webviewer in my project. As you know, PDFTron webviewer is rendered in an iframe and after adding CSP headers, I'm getting below error - related…
Honey
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How to load multiple documents in WebView from URL (PDFTron)

I am trying to use PDFTron to load several documents and then open them dynamically onClick event. The trouble is I can't access the instance object from outside the return of the WebViewer promise - I need to create dynamic buttons that load a…
Robert
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PDFTron Webviewer Open PDF with a user password

I am trying to use the PDFTron WebViewer within a Blazor application to open a PDF with a user password. I would like to do this without a user dialog but I am can't figure out how to. I am calling the initWebView function with the url path to the…
Helix 88
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Add Custom button Pdftron viewer

How to add custom option in pdftron AdvancedViewer's Three dots menu or Kebab Menu
Balaji Gunasekaran
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Annotationchanged event in pdftron Xamarin forms

I have to listen AnnotationModified event as shown below. But not sure on how/when because CurentPdfViewCtrlFragment is null. Am using pdftron.PDF.Controls.DocumentView2 as given in this sample https://github.com/PDFTron/xamarin-forms-sample
Balaji Gunasekaran
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How to use OCR module in a pdftron node js app?

I want to use OCR module in my node app, but I don't see full documentation on that. There are some code snippets available for the functionality but I am not sure how to add the module in a node app (I didn't find any npm packages for the OCR…
Sarang PM
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PDFNet Resize annot Swift

Have anyone worked using PDFNet where the annot needs to be resized? For simplicity, currently i set the text of the annot using annot.setContents(text) annot.refreshAppearance() pdfView.update() However, if the text is too long where it exceeds…
William Loke
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