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#Edit pdf fillable form in libreoffice software#
Otherwise your PDFs won't display as desired on a number of computers.PDF is used by everyone nowadays because of its convenience to open, create, read, review, and print the document regardless of the hardware device or operating system or a software program you are using. I would propose you make LibreOffice embed such fonts or else use standard 14 fonts. As I have not installed it on my system, I only see dots.
#Edit pdf fillable form in libreoffice code#
You can fix this by telling iText to create appearances during form fill-ins in spite of the NeedAppearances flag: using (var pdfStamper = new PdfStamper(reader, fs))ĪcroFields.GenerateAppearances = true // <<<<<<<<<<<<<<<<<<ĪcroFields.SetField("currenttime", ()) Īfter adding the marked line above, the output of the code includes the changed newly set value.Īdditionally Libre Office does not embed the LiberationSans font. (Strictly speaking this implementation of form flattening is wrong: In this case iText is the PDF processor that wants to make use of the appearances thus, it should create all appearances here, even ignoring existing ones.) As no appearance has been created when setting the field, its flattened form turns out to be empty. Is implemented by using the existing appearances and only them. Unfortunately form flattening pdfStamper.FormFlattening = true iText, therefore, when filling in the form field acroFields.SetField("currentdate", ()) ĭoes not create an appearance for that field - any viewer is required to construct new appearances anyways. This flag tells a PDF viewer that it shall construct appearance streams and appearance dictionaries for all widget annotations in the document. Obviously you have to use the correct field name. In your code you set the field "currentdate" while in your sample PDFs the field is called "currenttime". Furthermore the wrong field name is used. >/Filter/FlateDecode/ID/Info 6 0 R/Length 37/Root 8 0 R/Size 7/Type/XRef/W>streamĪs already surmised in a comment, the problem is caused by Libre Office creating the PDF with NeedAppearances set to true in the AcroForm dictionary. >/MediaBox/Parent 5 0 R/Resources 22 0 R/Rotate 0/Type/Page> >/Lang(sv-SE)/Metadata 1 0 R/OpenAction/Pages 5 0 R/Type/Catalog> >/Filter/FlateDecode/ID/Index/Info 6 0 R/Length 52/Prev 6161/Root 8 0 R/Size 24/Type/XRef/W>stream At this point, it is programmatically editable. Also a lot of empty lines are inserted in the document. DocChecksum /BFFAD3050AA9FF87945C97B9608B3C6CĪfter it has been edited in acrobat reader (I changed the default value of the textbox from "123" to "12"), it will be saved in version 1.6 and an interesting x:xmpmeta information is inserted.
![edit pdf fillable form in libreoffice edit pdf fillable form in libreoffice](https://paperjet-production.s3.amazonaws.com/publicForms/doc/5bfc62fd1106272ac5add132/preview/0.png)
Pdf after it has been created with libre office is of version 1.4 %PDF-1.4 The textbox has been given the default value "123". I have changed some binary data places with "some binary data". Using (var pdfStamper = new PdfStamper(reader, fs))ĪcroFields.SetField("currentdate", ()) Var reader = new PdfReader(openFileDialog1.FileName)
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Using (var fs = new FileStream(saveFileDialog1.FileName, FileMode.Create))
![edit pdf fillable form in libreoffice edit pdf fillable form in libreoffice](https://i.pinimg.com/originals/41/46/50/41465007602295e7180c3988212dd061.png)
If (saveFileDialog1.ShowDialog() = DialogResult.OK) Why do I have to do that? Error reproductionĬliking the toolbar icon in libre office.ĭouble clicking that box, giving it the name currenttime.Ĭ# code if (openFileDialog1.ShowDialog() = DialogResult.OK) However, if I open the pdf using acrobat reader and edits the text in the box, saving the document results in a pdf where it is possible to write to that textbox. Trying to set the text of the control (a textbox) using itextsharp (in other words c# program) only empties the box. I am creating a form control in Libre office and am exporting the document to pdf.
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