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https://issues.apache.org/jira/browse/PDFBOX-3812?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Maruan Sahyoun resolved PDFBOX-3812.
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Resolution: Fixed
Setting to resolved thanks to [~sfieber] and dannymcphersonÂ
> Support auto size font for multiline PDTextField
> -------------------------------------------------
>
> Key: PDFBOX-3812
> URL: https://issues.apache.org/jira/browse/PDFBOX-3812
> Project: PDFBox
> Issue Type: Improvement
> Components: AcroForm
> Affects Versions: 2.0.6
> Environment: Windows 7 and Mac OSX, Java 1.8.0_121
> Reporter: Marek Zajac
> Assignee: Maruan Sahyoun
> Priority: Major
> Fix For: 2.0.21, 3.0.0 PDFBox
>
> Attachments: Autosizing.pdf,
> PDFBOX-3812-break-too-long-words-and-use-default-font-size-as-max-in-multiline-fields.patch,
> PDFBOX3812-acrobat-multiline-auto.pdf, TestPDF.pdf, TestPDF_gen.pdf,
> TestPDF_gen_flatten.pdf, Test_TextField_Multiline_Autosize.pdf
>
>
> Hello, I ve got a simple pdf file "TestPDF.pdf" with just one text field
> named "Text1". It is set up as auto size and multiline field.
> My code :
> {code:title=GeneratePDF.java|borderStyle=solid}
> File fileTemplate = new File("/Users/xxx/Downloads/TestPDF.pdf");
> PDDocument doc = null;
> try {
> doc = PDDocument.load(fileTemplate);
> } catch (IOException e) {
> e.printStackTrace();
> }
> PDDocumentCatalog catalog = doc.getDocumentCatalog();
> PDAcroForm form = catalog.getAcroForm();
> PDTextField field = (PDTextField)form.getField("Text1");
> // field.setDefaultAppearance("/Helv 0 Tf 1 0 0 rg")
> String longText = "THIS IS A VERY VERY LONG TEXT IN A
> MULTINLINE TEXT FIELD "
> + "THIS CAN BE REALY LONG TEXT FIELD CONTAINING
> A FULL ADDRESS OF THE CUSTOMER"
> + "WE WANT TO HAVE AN AUTO SIZED FIELD WITH
> DYNAMICALY CHANGED FONT SIZE. TO TEST IT OUT WE" + "NEED AT THE END 123";
> try {
> field.setValue(longText);
> // form.flatten();
> doc.save("/Users/xxx/TestPDF_generated.pdf");
> doc.close();
> } catch (IOException e) {
> e.printStackTrace();
> }
> {code}
>
> Please open the attached "TestPDF_gen.pdf" file in the Adobe Acrobat. It
> shows the text cut off at the end. However if you click inside the field it
> sudenly renders text properly.
> Other remarks :
> 1. If you open the "TestPDF_gen.pdf" file in the Preview (Mac OSX default pdf
> viewer) then the Text1 shows text properly auto sized.
> 2. If you do flat the form by uncommenting form.flatten(). Then the Text1 is
> cut off at the end of the text and font size is not auto. I ve tried both
> Adobe Acrobat and Preview. See the "TestPDF_gen_flatten.pdf"
> 3. I ve also tried calling setDefaultAppearance method before setting the
> field's value - field.setDefaultAppearance("/Helv 0 Tf 1 0 0 rg") but it did
> not help.
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