PDFTron PDFNet SDK Google Group

Converting MS Word to PDF on iOS / Android via PDFTron SDK

2013-05-17T19:41:50Z

Q:
I downloaded iOS SDK from your website. I tried to convert document to pdf
file. I used [Convert ToPdf: in_filename:] function in my application.
I wrote a several lines of code:
NSArray *paths =
NSSearchPathForDirectoriesInDo mains(NSDocumentDirectory, NSUserDomainMask,
YES);
NSString *documentsPath = [paths objectAtIndex:0];

What is the difference between PDFDrawDemo and PDFViewCtrlDemo, and where do the Tools fit in

2013-05-17T16:34:21Z

Q: In the Samples solution, there is a PDFDrawDemo and a PDFViewCtrlDemo.
They both seems to work similarly in that they display PDFs.
Also, I am interested in the tools, which provide interactive features such
as annotation editing. Where do they fit in?
A: The PDFDrawDemo demonstrates the use of our PDFDraw class. PDFDraw is a

MonoTouch/Xamarin.iOS linker error with libTools

2013-05-17T16:12:35Z

Q:
Basically I created Monotouch bindings for the PDFNet library. That part I
finally got more or less working but I also have to get the tools library
linked in and that is where I have hit a brick wall.
I have the latest versions of everything and I have made a custom build of
the tools project, which now works fine when I compile it in a test project

Generated bmp has incorrect/corrupted output

2013-05-17T15:20:09Z

I would like to explain a bit about my program. First, the user creates a
PDF file. After this, from PDF file it is converted to Bitmap and shows on
the screen. Before convert to Bitmap file I have checked the PDF file, it
looks good as the file that I sent you. I think that the problem is not in

.Net Exception from HRESULT: 0x800700C1

2013-05-16T18:22:50Z

Q) 05:57:59 Failed to optimize document
[7213040]. System.BadImageFormatException : Could not load
file or assembly 'PDFNet.dll' or one of its dependencies. is not a valid
Win32 application. (Exception from HRESULT: 0x800700C1)
This has been happening since I have got the updated DLL (Please see

PDF/A-3a conversion with document level attachment

2013-05-14T23:54:47Z

Hello, we are evaluating PDFNet SDK, but we have following problem:
we use this code to test PDF -> PDF/A-3a conversion:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using pdftron;
using pdftron.Common;
using pdftron.SDF;
using pdftron.PDF;
using pdftron.PDF.PDFA;

PDF/A-3A conversion and validation

2013-05-13T13:24:53Z

PDF/A-3A conversion and validation
Hello,
I have slightly modified sample PDFATestCS_2010 (different input file + PDFACompliance.Conformance.e_L evel3A)
// PDF/A Conversion
string filename = "newsletter.pdf";// "pdfhtml2pdf_04.pdf";
PDFACompliance pdf_a = new PDFACompliance(true, input_path+filename, null, PDFACompliance.Conformance.e_L evel3A, null, 10, false);

AIX version of libPDFNetC.so

2013-05-13T10:04:46Z

Is there any way of getting an AIX Unix compatible version of the shared library libPDFNetC.so?
The Linux version of the file has the following format:
ELF 64-bit LSB version 1 shared obj
The format needed on our AIX server is as follows:
64-bit XCOFF executable or object module not stripped

How do I implement PDF Redaction GUI using PDFViewCtrl?

2013-05-10T19:00:13Z

I tested 'pdftron.PDF.Redactror' (
[link]) which
I will use to redact PDF documents in my app.

I now need to integrate this into GUI simular to redaction annotations in
Acrobat Pro.

I'm looking at the PDFVIew WPF example and I'm trying to figure out how to

Extracting and merging redacted PDF content

2013-05-10T16:59:41Z

I am working with PDF SDK (.net) and am specifically looking into
redaction. I am able to redact regions just fine with a rectangle and that
seems to work great, what I need to be able to do is before redacting, get
the information from that rectangular region and save it elsewhere and then

How do I maintain PDF/X compatibility with the latest version of PDFNet SDK?

2013-05-09T17:27:03Z

Q:
We use PDFNet library to export graphic designs to PDF. Recently after
updating the library to the most recent version we've encountered a problem
where our export filter no longer produces PDF/X compliant PDF document
with the 'save to PDF/X' settings enabled, whereas the old one was doing
this pretty well.

iOS Form Editing and Validation

2013-05-09T00:43:34Z

Q:
I have following quires on PDFTRON , We are planning to buy it for iOS
application.
1. How can we handle the Field validation in PDFTRON , if we add java
script while creating pdf , it won't work , we have to manually Parse the
java script and do the validation using objective c code . is there any

Printing to a Network Printer Does Not Work.

2013-05-08T17:26:09Z

*Question:*
When I try to print with a local printer, I was able to print PDF documents
using the following code:
But if I try to select a network printer, the printing process failed with
the following error message:

How do I read / write PDF annotations to a separate file ?

2013-05-08T17:23:05Z

I’m currently trying to write out all of the annotations to a file
separate from the PDF so the annotations can be managed separately from the
report. I’m able to iterate through all of the pages and find all of the
annotations, but when I try to write to a file, I’m not seeing what I

How to store a 1 or 8 bit DIB in a pdf as a thumbnail image

2013-05-08T04:58:57Z

Hi,
I've been trying to use the pdfnet sdk to add a thumbnail image to a pdf
page.
I'm using the sdk with a existing application that is supplying the images
to me as DIBs. Sometime 24bit and sometimes 8 or 1 bit depending on the
contents of the page.
Everything is fine for 24bit but the 8bit or 1bit images are stored

How do I allow users to edit TRNFields on iOS?

2013-05-08T00:33:14Z

Q:
On iOS, I was trying to make focus on specific trnfield (like
becomeFirstResponder for UITextfield). So please provide a direction to
achieve this.
----------------------
A:
TRNFields are a PDF concept and not a UI element; they inherit directly
from NSObject and not from UIResponder or any other UI class. Are you

Viewing PDF in Adobe AIR on Android etc.

2013-05-07T18:40:27Z

I ran across PDFTron SDKs and was wondering if you have tried using it
within a AIR ANE? AIR apps for mobile don't really have a good solution for
viewing pdfs, especially on Android, so I was wondering if your solution
could do this.

--------
A:

For viewing PDFs, there are couple of options:

Android: Automatic switching to/from landscape/portrait mode

2013-05-07T00:11:36Z

Q: We are working on Android version of the SDK. We are trying to display
a PDF and it displays fine in portrait mode but when I switch to landscape
mode, the orientation of the PDF does not change. Pls let me know how to
accomplish this.
------------
A: When rotating the device, Android restarts the activity by default. To

Is PDFNet threadsafe for parallel rendering?

2013-05-06T20:57:05Z

I’m looking for a PDF SDK, which can be used to extract PDF pages as images
in parallel.
Can I use PDFNet <[link]> for this?

------------
A:

You can use the current version of PDFNet (at the moment v.5.9.2) to render
pages from the same document in parallel.

Viewing and streaming of remote PDFs via PDFNet WinRT SDK

2013-05-02T22:44:12Z

I recently downloaded an evaluation of PDFNet Mobile SDK for WinRT
platform. I have a question about opening the PDF file. I looked at the
Getting started tutorial which shows opening a PDF file from the file
system. Can I open a PDF directly from the Http response? I got a exception

Convert Word to PDF using java or .net with PDFNet SDK?

2013-05-02T17:42:08Z

I would like to know about PDFTron component that I can use to convert Word
to PDF. We would require to use this component in one of our product which
is hosted on windows Server. The application is using dot net version 3.5
but we are also considering JAVA. We want to build a module where our

How do I know if an error occured when converting html page to PDF via pdftron.PDF.Convert.HTML2PDF?

2013-05-02T17:23:01Z

Q:
When using the HTML2PDF is there a way to know if an error occured on the
html page? We can convert it to respond with a 505 response code when an
error. Is there a way to determine if there is a response code on the page
generation.

The following code for not converted was not executed during an error due

Using PDFNet for iOS with Xamarin.iOS

2013-05-01T19:02:51Z

Q:
Our developers would like to use PDFNet Mobile PDF SDK for iOS within
Xamarin.iOS (MonoTouch).
So, here are some quick questions:****
**1) **Does PDFNet Mobile PDF SDK for iOS support Xamarin.iOS?****
**2) **Are there Xamarin.iOS bindings or information we can use?
------------------------------ --------------------------

Removing Digital Signatures From a PDF Document

2013-05-01T18:41:09Z

*Question:*
How can I remove a digital signature from a PDF document? If I have a PDF
document that has two signatures in it, can I remove one signature without
invalidating the other signature?

Multiple APK Support and supported architectures when using Google Play

2013-04-29T18:44:40Z

Q:
I followed your suggestions to create separate APKs in order to use the
Multiple APK support in Google Play. However, I found in Google Play's
documentation (
[link])
that:
When using the Android NDK, you can create a single APK that supports

How to print the document with PDFNetWinRT ?

2013-04-29T14:20:25Z

I have all the sample of PDF Tron SDK for WinRT, but the printing sample is not working. I need urgent help. Can anyone please give me working code to print PDF ? Thanks.

How do I add custom namespace properties in XMP metadata when generating/converting to PDF/A?

2013-04-23T23:33:52Z

For PDF/A conversion we rely on 'pdftron.PDF.PDFA.PDFAComplian ce' from
PDFTron PDFNet SDK.

The conversion works great, however I would like to be able to add some
custom properties / metadata (i.e. extended XMP metadata in a custom
namespace ).

--------
A:

If you need to have a tight control over XMP metadata in the final PDF/A

Unable to get modified date of annoataion using php

2013-04-22T19:42:24Z

Hi,
I am evaluating PDFNet SDK for my company to make sure that it woks with
annotation well.
Unfortunately it seems that it's unable to get created date/modified date
of annotation which are the key points of my decision.
Please take a look on my reproduce step and the sample of pdf file.
Reproduce Step:

How to control the appearance of anchor text in a redacted region?

2013-04-22T17:32:45Z

I am trying out PDFTron PDFNet to check whether this can be used for PDF
Redaction.
I have provide replacement text , replacement font and size to the redact
function, however the replaced text appears very small, regardless of the
font size provided.

Below code is used for redaction
void Redact(string input, string output, ArrayList rarr,PDFDoc doc) {

How do I convert EPUB to PDF, XPS, XOD using PDFTron ?

2013-04-19T19:52:54Z

Q:
I am interested in converting an eBook in ePub format to work with the Web
Viewer. Do you have any samples for EPUB to PDF conversion? I could only
find the HTML2PDF converter on the PDFTron website (
[link]), which looks like
it converts a HTML pages page to PDF.

Old PDFNet library still loaded in memory (PHP)

2013-04-19T16:37:04Z

Q)
We recently purchased a PDFTron enterprise license, and added the key to
all calls to PDFNet::Initialize. We tested our software and everything
worked as it did with the demo version.
On our staging environment, we recently got this error when calling
PDFNet::Initialize:
PDFNet: Bad License Key. PDFNet SDK will work in the demo mode.

Error when saving FDF as XFDF

2013-04-18T15:34:06Z

Hi,
I have just tested working code with another PDF, one which contains a Rich
Media annotation (an embedded video) and my app now crashes in this
function (see the comment). This is an iOS app.
-(void)exportAnnotations{
if([Utils IsConnectedToInternet]){
NSString *docFilename = @"document";

How do I add timestamps when signing a PDF document?

2013-04-17T16:58:21Z

*Question:*
I was able to add a digital signature to a PDF with the Name, Reason,
Location set in the document's signature dictionary, but how do I add the
signing time? Is a timestamp server required or can the timestamp be added
locally by code?

IsModified seems to frequently be true, when seemingly, no changes have been made

2013-04-17T14:40:47Z

Hi,
I have an iOS app which downloads a PDF file from a server, generates
thumbnails of each page, and saved them as .jpgs and then allows you to
view the PDF.
I am seeing some strange behaviour in that as soon as I load a newly
downloaded PDF, into a PDFDoc object, IsModified returns true?
I have managed to get around this by loading the PDF into a PDFDoc, then

PDFViewCtrl.scrollTo() goes to the wrong position on Android

2013-04-16T16:40:33Z

Q:
I am trying to scroll the document to where the form is located using
convPagePtToClientPt() and scrollTo(), but the page is being scrolled to
the wrong position. How do I use the scrollTo correctly?
----------
A:
Regarding the use of the scrollTo() method, there are two things to have in
mind:

Filling forms with Korean font on Android

2013-04-16T16:30:46Z

Q:
I'm trying to fill in a form text field but after I enter the text I can
only see dots or square characters. The language of my device is configured
to be Korean. Does PDFViewCtrl supports Unicode?
----------
A:
Yes, PDFViewCtrl supports Unicode. The problem with the characters occurs
because the SDK can't find a Koren font that supports those glyphs. Android

The PDFNet printer driver is already installed, but conversion still fails.

2013-04-16T16:29:21Z

*Question:*
The PDFNet printer driver was installed by doing one of the following:
1. By using the
installer: [link]
2. By running the following code:
if (!pdftron.PDF.Convert.Printer. IsInstalled()) {
However, after re-attempting to convert the documents again, the process

Flickering when using gotoNextPage/gotoLastPage on Android

2013-04-16T16:26:15Z

Q:
I have the following code to navigate to next and previous page, but every
time the page is refreshed. How to avoid that?
case gotoLastPage:
{
mPDFView.gotoPreviousPage();
mPDFView.setPageViewMode(mZESE ditor.PAGE_VIEW_FIT_WIDTH);
break;
case gotoNextPage:
{
mPDFView.gotoNextPage();
mPDFView.setPageViewMode(mZESE ditor.PAGE_VIEW_FIT_WIDTH);

How do I get the text under a highlight annotation

2013-04-16T16:23:13Z

Q: How do I get the text that is covered by a highlight (or any text
markup) annotation.
A: This can be done by using the text extractor. You have to start it on
the page and use the GetTextUnderAnnot(annot) function.
In C#, it would look something like this:
Annot annot = // some annot
pdftron.PDF.TextExtractor te = new pdftron.PDF.TextExtractor();

How to get modified date of annotation using PHP

2013-04-16T11:08:30Z

Hi,
I try to get modified date in my PDF which has many comments and that comments show the modified date something like 06/10/2011 09:40:04 by using Adobe Reader.
Here is my code:
$Dates = $text->getDate();
echo $Dates->GetYear(); // Show 2011
echo $Dates->GetMonth(); // Show empty string
echo $Dates->GetDay(); // Show empty string

PDFNet and National Instruments LabView

2013-04-15T21:58:04Z

Q) When using PDFNet to open and search PDF files in the standalone
version, we have no problems. We recently incorporated PDFNet into our
integrated version, which works well in many scenarios, however causes a
crash when run from National Instruments LabView package. Our viewer opens
correctly, but fails when it comes to opening the PDF itself.

Interactively Add Digital Signature Using PDFViewCtrl

2013-04-15T16:34:55Z

Q:
I am evaluation your mobile pdf sdk and I have a few questions regarding
the ability to digitally sign documents. I see that the sdk allows for
filling forms, but how do I enable the user to interactively sign the form
when they tap on a digital signature field?
------------------------------ --------------------

How to Load xod file with range header request

2013-04-15T03:12:29Z

i have seen demo of webviewer on homepage.I see the xod file is loaded really fast. I use Fiddler to capture request , i see that : webviewer usually send a hidden request url like :
[link]
[link]

SmartAssembly obfuscator automatic memory release feature may cause errors

2013-04-12T19:19:49Z

A)
It sounds like SmartAssembly was somehow causing over 1gb of memory to be
released incorrectly. Then over time, as the freed memory gets overwritten,
you started getting random errors.

How to make underline annotations line up properly on rotated text

2013-04-12T17:25:32Z

Q: When creating my own underline annotations, the line doesn't appear at
the right location. It can appear above or to the side of the text.
A: Underline annotations (and any Text Markup) will consider the line
between the first and second quad point to be the "bottom" of the
annotation. In the case of an underline annotation, this means that the

Parsing / Saving Annotations from XFDF string

2013-04-12T00:55:37Z

Q:
You currently support creating and loading annotations embedded within a
PDF FIle. However, we are storing annotations separately from our PDF files
and "side-loading" them when needed. The question is, does the PDFTron API
support parsing from these raw bytes. I have included some sample data

PDF/A Conversion and validation using PDFTron

2013-04-11T22:55:25Z

We are searching for tools that can help us convert PDF/A compatible files
for our institutional repository.

The initial plan is to check the compatibility of the user uploaded file,
then convert them if they are PDF/A convertible. So two functions are
needed:

1) Is the file PDF/A convertible (only on pdf files, or can be doc and

How do I display a PDF form in a browser and allow the client to edit several specific fields?

2013-04-11T18:38:41Z

Q: I want to display a PDF in a browser and allow the client to edit
several specific fields and retrieve the update doc.
---------
A:

You can use PDFTron WebViewer for the task. To find out more info about
WebViewer please see: [link] see a demo of the form-filling capabilities here:

TIFF to PDF via XPS

2013-04-11T14:39:46Z

We used a tiff image that we render to xps and then convert the XPS to PDF,
this approach works for most tiff images except a few older tiff image
formats. For these tif documents(prior to 2002) the image conversion from
tiff to XPS returns an empty document, i was told that a pdf optimizer
would fix this issue.

The actual page dimensions of the generated PDF differ from that specified by HTML2PDF.SetPageSize

2013-04-10T18:17:21Z

Q) we want to make a pdf file with the following dimensions: 28cm by 40 cm,
using HTML2PDF.setPaperSize If we set these values in the code, we end up
with a pdf with dimensions 28,02cm by 40,01cm. We thought that the
dimensions do not match exactly is due to the fact that the file is created
in pixels. By increasing the number of dots per inch, we wanted to get a