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Flattening a PDF doc

Moderator: Stefan Lange

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devling

Post subject: Flattening a PDF doc

Posted: Sat May 28, 2016 12:23 am

Joined: Sat May 28, 2016 12:20 am
Posts: 2

Using PDF Sharp, i was able to parse over 600 records into multiple billing statements but when I open the PDF it shows blue areas where the data is - thus clicking on field will reveal the data.

I suspect what I need to do is flatten and or disable the fields the document before saving it.

I'm sure PDFSharp has this but I'm not seeing it..

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(void)

Post subject: Re: Flattening a PDF doc

Posted: Mon Jun 13, 2016 5:34 pm

Joined: Tue Sep 30, 2014 12:29 pm
Posts: 36

I recently made some progress implementing this in v1.32 of PdfSharp and merged the changes into the 1.50 version
(please see attached .patch file)

As it works "OK" in v1.32, i had no chance to test this with 1.50, so consider this "experimental".
But it should give you something to start with...

Usage is pretty simple:

Code:

var doc = PdfReader.Open("myForm.pdf", PdfDocumentOpenMode.Modify);
if (doc.AcroForm != null)
    doc.AcroForm.Flatten();   // NOTE: doc.AcroForm is null after flattening !

Attachments:

File comment: PdfSharp 1.50 patch file

FormFlattening.zip [9.56 KiB]
Downloaded 762 times

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devling

Post subject: Re: Flattening a PDF doc

Posted: Mon Jun 13, 2016 8:57 pm

Joined: Sat May 28, 2016 12:20 am
Posts: 2

Thank you - how is this patch applied via Visual Studio?

(void) wrote:

Code:

var doc = PdfReader.Open("myForm.pdf", PdfDocumentOpenMode.Modify);
if (doc.AcroForm != null)
    doc.AcroForm.Flatten();   // NOTE: doc.AcroForm is null after flattening !

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(void)

Post subject: Re: Flattening a PDF doc

Posted: Tue Jun 14, 2016 9:12 am

Joined: Tue Sep 30, 2014 12:29 pm
Posts: 36

The patch was created with Tortoise SVN.
I recommend installing Tortoise SVN and create a local repository.
Import PdfSharp to your repository and then check it out, so the files are versioned.

In the directory, where you have checked-out PdfSharp, navigate to the Folder where you find the Solution file. (*.sln)
Right-click in Windows Explorer, go to the "Tortoise SVN" Menu and select "Apply patch".
Select the attached patch file.

https://tortoisesvn.net/docs/release/To ... patch.html

For further information, please consult the Tortoise SVN Documentation.

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