PDF Annotations associate an object such as a note, sound, or movie with a location on a page of a PDF document, or provides a way to interact with the user by means of the mouse and keyboard. There are many different types of annotations and a few different states that they can exist in.
Questions tagged [pdf-annotations]
78 questions
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Can we get click or tap event and change color of PDFAnnotation with having image on it
I am trying to add pdfannotation inside pdfview with image only, where I need tap event of that particular iamge annotation that I have added. Can anyone suggest any way to achieve this. because I need specific tap or selected event of that. so…

Akash S
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how to crop on pdf in react native
i want to select pdf from my device and then after clicking on crop buton i want to be able to crop on the pdf selected , i have already select pdf and display it , but when i click on confirm button to confirm the crop i got this error :
WARN …

omar jlassi
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pdf_annotate how to rotate text with 90 degree?
I have to add some information as text to the existing pdf, I managed to annotate with pdf-annotate library but now, I want to rotate annotation with 90 degree what do I have to do to rotate the text? I have changed x and y for my text end point and…

Beka Tchigladze
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Is there a way to annotate PDF files in react.js
I am using the NPM library react-pdf to render user uploaded PDF file in a HTML

Kaartik Nayak
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SetAPStringValue fails to set AP value for annotation
I'm using pdfium library to implement a UWP pdf viewer to view & annotate pdf documents.
I'm trying to set the AP of an annotation using SetAPStringValue method. But it always returns false, I can't figure out what's wrong there, Could someone help…

Madushan Amarasinghe
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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…

Madushan Amarasinghe
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PDFJsAnnotations Uncaught (in promise) SyntaxError: Unexpected end of JSON input
tried to load saved json from local storage using JSON.parse(localStorage.getItem("CanvaData"))
ready() {
console.log("Plugin initialized successfully");
var arr = JSON.parse(localStorage.getItem("CanvaData"));
console.log(arr)
//…

WhiteWolf
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How to find all internal links in a PDF, using Java Apache PDFBox
I am using the following code (Kotlin) to find hyperlinks in a PDF
import org.apache.pdfbox.pdmodel.PDDocument
import org.apache.pdfbox.pdmodel.interactive.action.PDActionURI
import…

fmkatz
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How can I transfer annotations between PDFs (e.g. using pymupdf)
I have been looking through the pymupdf documentation, and while there is a lot there and I can see how to identify annotations (Annot class), I can't work out how to put an annotation that I have found in one document from that one into another.…

Diomedea
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Difference between FPDFAnnot_SetRect and FPDFAnnot_AppendAttachmentPoints when adding a annotation to pdf document
I'm using pdfium to add annotations to pdf files.
I opened the pdf file using Notepad++ and viewed its objects. Annotation object was present inside the Page object as follows,
3 0 obj
<

Gayashan Rathnavibhushana
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How can I export the stamp annotation from image to an image file?
How can I export the “stamp annotation from image” to an image file?
I have a pdf which contains stamp annotions (in fact it's an image), I want to export all these kinds of images to file and get the x/y position.
I am new to pdf. Any idea or code…

Swell Yu
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PDFAnnotation Radiobutton don't change background color or don't display value
I use PDFKit in iOS as PDF renderer and I have problem with background color in radio button.
I iterate all PDF annotations on all pages in the document.
override func viewDidAppear(_ animated: Bool) {
//let pdfData = ... received data from file…

Puty
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PDF Anotations readonly .NET
I have a system that's adding anotations to a PDF in form of images.
At present if users download the PDF they can click on the anotations and play with then: move, resize, remove...
I'd like a way to change the anotation to be readonly or to make…

vmasanas
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Rander PDFAnnotation within new PDF
I followed this article
to signature the PDF using PDFAnnotation
you can download the project using in the article here
my problem is because it's PDFAnnotation if I download the pdf on my computer and then open it with Preview or any PDFviewer…

Basel
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How to add circle annotation in pdfkit swift?
I am using pdfkit and added circle annotation with fixed size and width but i want to draw with dynamic height and width. Here is my code :
Here : start is my CGPoint from where i start to finger
end is second CGPoint where i ended to move…

Mahesh Shahane
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