21,091 questions with no upvoted or accepted answers
24
votes
0
answers
2k
views
Implementing PencilKit with PDFKit
My app shows PDF files using the PDFKit and lets users make annotations on pdf files through my own code using UIKit and CoreGraphics frameworks. Since I would like to use the PencilKit framework to ...
- 241
15
votes
0
answers
3k
views
How to remove margin at bottom of print/PDF in Chrome?
I have a simple html page (code below). The width and height of the page and elements is 1587.4px and 2245.04px respectively. These are set on the @page and elements. I'm expecting a completely red ...
- 2,286
15
votes
4
answers
9k
views
pdf in iframe only first page on iphone/ipad
I am trying to display the content of a pdf with an iframe. Everything is working fine on a normal computer. However on mobile devices of apple (IPhone/IPad) only the first page of the pdf is getting ...
- 265
14
votes
1
answer
2k
views
Dynamic sized multi line TextBox field in a PDF
I have created a document in an open office with a multi-line form field:
The issue I am having is when the dynamic content exceeds the initial size of the multi-line text box:
Sure I can re-size ...
- 17.7k
14
votes
2
answers
11k
views
React-PDF Slow Performance with large PDF
I am using React-PDF from npm, with the PDFDownloadLink function to download a large pdf. But the PDF is being created on my app load created a long lag time.
I have tried timers, lazy loading the ...
- 346
12
votes
0
answers
2k
views
What's the default print resolution for Google Chrome?
I'm trying to print a PDF from a Django template using headless chrome, I've designed the page for a 96DPI A4 resolution (794 x 1123), but It was too small on the printed PDF, so I've resized the page ...
- 195
11
votes
0
answers
1k
views
Error: `export_graph()` REASON: * The graph object is not valid
I want to export graph to pdf in R, with the model of xgboost.
Unfortunately, I get the error in the title.
I followed the official advice to solve it, but it didn't work.
Anybody know about this? ...
- 141
11
votes
0
answers
3k
views
How to convert a UIView to a multi-page PDF in swift?
I have an app, written in Swift and want to export an entire UIView as a PDF. I found the code below does this well, but only produces a single-paged, cropped PDF. The exportable UIView contains a ...
- 141
11
votes
0
answers
927
views
Rotate XAxis label to 90 degree
Hi I am using PDFsharp & MigraDoc to generate column chart. I was wondering, if I can rotate the x axis labels to 90 degree so they come like vertical instead of horizontal. Does any body has any ...
- 4,021
11
votes
1
answer
8k
views
Display PDF from a stream in a WebBrowser control
How can I display a PDF document from a MemoryStream within a WebBrowser control?
I've searched around and found I can simply navigate to a PDF file using:
webBrowser1.Navigate(@"C:\Temp\ExportedPDF....
- 10.5k
10
votes
0
answers
4k
views
How to customize filename in browsers builtin PDF viewer for base64 pdfs
I'm embedding PDFs from a base64 string like this:
var pdfData = 'data:application/pdf;filename=MY_CUSTOM_FILENAME.pdf;base64,' +
'...
- 193
10
votes
0
answers
7k
views
Use PDF vector graphics in Android Studio
I have PDF image assets from an iOS project that I need to add to an Android Studio project. Is it possible to add PDFs to Android studio, or do I have to use an external converter like Gimp or ...
- 4,345
10
votes
0
answers
1k
views
Compressing images in Android PDFDocument.Page
I have a document scan functionality built into a client app. The app stores documents as image archives – and a document can have 1 to n pages. A menu item is exposed to allow the user to export the ...
user585756
10
votes
1
answer
15k
views
How to get page numbers in pdf generated by html with wkhtmltopdf
Here is our answer:
We are currently using wkhtmltopdf to generate a PDF from a given html template.
Some background information:
We are using Sulu CMF to build our back end, which is based on ...
- 391
10
votes
1
answer
8k
views
How to set PDF file size using PdfDocument on Android
I have to convert some text and a small image into a PDF document on Android and for that I am using PdfDocument added in API 19.
The thing with this is that the PDF generated by this one is about 3 ...
- 11.2k
10
votes
0
answers
938
views
How to calculate the checksum in an XFA form
When you save an XFA form (XFA = XML Forms Architecture) using Adobe software, a checksum attribute is added to the form element. This checksum appears to be a SHA-1 digest, but it's unclear as to ...
- 77.6k
10
votes
0
answers
921
views
Webview to PDF ignores job name
I am trying to print an HTML-page from a webview on KitKat (4.4.4) basically using the sample code provided in Google's API documentation. Accordingly, I set a print job name as follows:
String ...
- 101
10
votes
0
answers
1k
views
Change default zoom in QLPreviewController
I am using a QLPreviewController to display PDF files, each page of which is a spread of a magazine. The default zoom of the QLPreview is to fill the screen by width. In portrait mode, the front and ...
- 119
10
votes
1
answer
3k
views
Safari URL to PDF-page workaround?
I'm trying to link from an URL to a specific page within a PDF document being viewed using the Preview.app built in Safari (using iOS on iPad2).
I know that Sarafi does not support (hopefully in the ...
- 101
9
votes
0
answers
2k
views
"ERROR Error: write EPIPE" on AWS Lambda with html-pdf
I coded a NodeJS class which is supposed to create a PDF file out of a html string. The class is deployed on AWS Lambda. It is based on html-pdf (https://www.npmjs.com/package/html-pdf).
const {...
- 173
9
votes
0
answers
6k
views
Disable javascript inside embedded PDF displayed with Chrome PDF viewer
PDF that contains javascript runs this code when embedded in html and displayed in Chrome. This is better described in this closed issue https://bugs.chromium.org/p/chromium/issues/detail?id=511295
...
- 131
9
votes
0
answers
1k
views
How to add PDF metadata when printing an HTML page with a browser?
I'm using HTML to generate some documents as I'm mastering the layouting much more than Latex or Word.
I'm generating my HTML page and convert it to PDF by printing the page with Opera.
Everything ...
- 125
9
votes
0
answers
6k
views
Can't open blob files in firefox
I want to open files sent from server on Firefox.
Actually it's working on IE. Here's how I would proceed:
openFile(path, fileName) {
this.creditPoliciesService
.openFile(path)
.toPromise()
...
- 5,235
9
votes
1
answer
1k
views
PDF: How can I override/fix searchable text in a scanned image + OCR file?
I'm trying to create an index on a PDF file that I scanned as images from an old original manuscript, then put through character recognition in Adobe Acrobat Pro. The problem is some of the words were ...
- 357
9
votes
0
answers
2k
views
How to convert a MS Word doc containing UTF-8 characters to PDF with Apache POI?
For some reason I cannot get the PdfConverter from Apache POI to convert my MS Word document properly on a Linux machine. On Windows and MacOS it seems to work fine but whenever I try it on a Linux ...
- 751
9
votes
0
answers
2k
views
Prevent line breaks in wkhtmltopdf generated pdf
I'm using wkhtmltopdf to generate pdf files from html templates. Rest of stack is Flask with Jinja2 and pdfkit as wrapper around wkhtmltopdf.
I need to generate some files containg code. There are ...
- 2,405
9
votes
0
answers
736
views
opening password protected PDF document and rendering in android using new "PdfRenderer" class?
In Android 5.0, Google introduced the PdfRenderer class for rendering PDFs. I tried rendering the pdf using it and it worked. However, when it comes to password protected PDF i dint find a way to open ...
- 364
9
votes
3
answers
2k
views
PDF Cell Vertical Alignment with com.lowagie.text
I am using com.lowagie.text to create PDF in my code. All is working fine except I am trying to align my cell content vertically. I want cell text to be in the middle of the cell height.
This is my ...
- 1,569
9
votes
1
answer
2k
views
Add acroform with pdfsharp
how can i add Acroforms (or any inputfields) with pdfsharp lib to a pdf?
For example a textbox (PdfSharp::Pdf::AcroForms::PdfTextField)
I can't find any example for this, only read/modify.
I found "...
- 339
9
votes
0
answers
5k
views
How to change (offset) page numbering in PDF
I have been using pdftk to do a lot of scripting with pdf, but I am open to anything that can be done programmatically in linux, ideally through command line or python API.
I would need to change the ...
- 920
9
votes
2
answers
990
views
Context Menus in PDFs
Built into UIWebView and QLPreviewController is the ability to highlight text and present some manner of context menu to the user. While presenting the menu is the trivial part, determining the ...
- 43.3k
9
votes
2
answers
2k
views
How to save a password protected PDF to a non password protected PDF
I want to print a password protected PDF so at first, I tried to convert this PDF into NSData and pass it to UIPrintInteractionController.
But according to Googled results, you cannot unlock a PDF ...
- 123
9
votes
6
answers
5k
views
PDF Form Field Manipulation
I'm making a web interface to autofill pdf forms with user data from a database. The admin needs to be able to upload a pdf (right now targeted at IRS pdf forms) and then associate the fields in the ...
- 5,206
8
votes
0
answers
4k
views
Add annotations to react-pdf and get coordinates of annotations with respect to pdf
I have a requirement where I have to open an existing pdf in a canvas and draw resizable and draggable rectangles in the pdf and get coordinates of these rectangles drawn.
This is my code to display ...
8
votes
0
answers
1k
views
Pdf.js viewer.html not calling all range requests
I have some issues in downloading the pdf using range requests. I am using spring boot application to provide download service. viewer.html makes first request which is cancelled since service ...
- 339
8
votes
0
answers
201
views
Mendeley previous view feature for pdfs?
Is there a previous view feature in Mendeley for viewing pdfs (similar to the one from Adobe Reader using alt + left arrow) to jump between the source and the destination of a link (for example to the ...
- 1,292
8
votes
0
answers
2k
views
extract raster and vector images from pdf with a bash script
I needed a bash script which extracts all the raster and vector images from the pdf and convert them to jpg format.
I checked many posts on the web and I got most of the ideas from these
How can I ...
- 1,704
8
votes
0
answers
1k
views
Save a WPF control to PDF using printvisual
Saving a WPF page to a pdf is simple
PrintDialog printDialog = new PrintDialog();
printDialog.PrintQueue = new PrintQueue(new PrintServer(), "Microsoft Print to PDF");
printDialog.PrintVisual(grid, "...
- 81
8
votes
0
answers
1k
views
Acrobat PDF generated with FlyingSaucer & ITextRenderer seems to be removing links
I have HTML that contains links such as the following:
<p class="Results">Web :
SPLIT<a href="http://www.google.fr/">http://www</a>
SPLIT<a href="http://www.google.fr/">....
- 26.5k
8
votes
0
answers
2k
views
Apps Script save as pdf doesn't include drawings and images
I want to save a Google Doc file as a pdf in the same Google Drive folder as my current file. I know I can download the file as a pdf, but then I have to upload it into the same Google Drive folder. I ...
- 5,587
8
votes
0
answers
2k
views
converting pdf to png or jpg with imagemagick: png has antialiasing, jpg does not?
I'm trying to get imagemagick to convert a .pdf to .jpg at high resolution with antialiasing.
convert -density 300 test.pdf test.jpg gives: (zoomed 200% to show the effect)
However convert -density ...
- 11.2k
8
votes
0
answers
3k
views
Ghostscript not creating output PDF file
I'm having trouble writing an output PDF file with Ghostscript. It is run in a batch script. When not running in batch mode (without -o or -dBATCH), the result pages are shown in the output window.
...
- 376
8
votes
1
answer
551
views
Protecting PDF's
I am currently using the Apache FOP library to generate PDF's. I want these PDF's protected from copy-pasting, so people would have to use actual OCR libraries (or manual typing) to get the ...
- 1,734
8
votes
2
answers
12k
views
Can't seem to turn off a device using dev.off() in R
I'm using Jupyter notebooks running an R kernel (3.2.2) in OSX, working through some basic stats exercises. A few days ago I played with ggplot for the first time, and ran some commands from a ...
- 101
8
votes
0
answers
16k
views
How to Print PDF file directly from node application?
I am creating a pdf-document from HTML in my nodejs application with phantomjs. This works totally well so far. Now I want to directly print this file to a network printer. I am using the node-printer ...
- 917
8
votes
0
answers
2k
views
Command-line to execute Acrobat Action Wizard action from VBA
I've built an action in Action Wizard in Adobe Acrobat Pro 11 and named it say "myAcrobatAction".
I want to use it automatically in Outlook using VBA code.
Is there a way to call the user defined ...
- 2,055
8
votes
0
answers
5k
views
get X,Y co-ordinates of the selected area from PDF
I'm trying to extract text from a particular section of a PDF. If I know the X,Y co-ordinates of the area, I'm able to extract the text. But I'm unable to get the co-ordinates of the selected area ...
- 685
8
votes
1
answer
5k
views
android how to convert pdf to image and load in imageview
I'm developing an android application get the PDFs from j son and convert the PDFs files into image and display converted images on a image view. (not a web view or PDFs viewer)
i need to convert the ...
- 1,992
8
votes
1
answer
2k
views
Embedding video/flash in PDF using php
Is it possible to dynamically embed video(any format)/ flash into PDF using php?
I found this Link, but not useful.
Also I googled but didn't find a satisfying answer to my question that
Whether it ...
- 2,532
8
votes
1
answer
1k
views
Converting Layered .ai to PDF via PHP
I've a .ai file with 2 Layer Groups and I want to pipe them into a .pdf file with layers. I already tried ImageMagick but I can't get the selector.
I tried this:
exec("convert 'test.ai[0]' output0....
