yes - this way the original content stream is taken for the rendering > Understood, thanks for clarifying. > So in my algorithm, given I don't modify the form I could use > refreshAppearance=true only when the NeedAppearance=true in the form, > correct? > Andrea > > Il giorno lun 13 mag 2019 alle ore 16:26 Maruan Sahyoun < > [email protected]> ha scritto: > > > Hi, > > > > in theory you should get the same result but the rendering is dependent on > > the forms content stream. Letting PDFBox reconstruct > > the content stream might leasd to differences compared to Adobe Reader as > > the details of formatting content such as text is not > > part of the PDF specification. Adobe is using it's own layout model which > > is not published so the current state was achieved by > > looking at sample PDFs and reworking that. > > > > I'll look into the PDF provided to get an idea where the difference is > > coming from. > > > > Having said that - as long as you didn't change the form content - using > > refreshAppearance=true should't be neccesary when > > flattening. > > > > BR > > Maruan > > > > > Hi, we are having some issue when we try to flatten the form in the file > > > f1040_sample.pdf > > > We get slightly different results depending on the value of refresh > > > appearance, in particular when we set it to true we get a slightly wrong > > > positioning of the text field value. > > > Shouldn't we expect the same result in both cases? > > > This is the test code (PDFBox 2.0.15): > > > > > > @Test > > > public void testFlatten() throws IOException { > > > PDDocument testPdf = PDDocument.load(new > > > File("/home/torakiki/tmp/delete/f1040_sample.pdf")); > > > PDAcroForm form = testPdf.getDocumentCatalog().getAcroForm(); > > > List<PDField> fields = new ArrayList<PDField>(); > > > > > > > > fields.add(form.getField("topmostSubform[0].Page1[0].YourSocial[0].f1_04[0]")); > > > testPdf.getDocumentCatalog().getAcroForm().flatten(fields, > > false); > > > File file = new > > > File("/home/torakiki/tmp/delete/f1040_sample_pdfbox_no_refresh.pdf"); > > > testPdf.save(file); > > > } > > > > > > I isolated the field in the test case but we also get the same result > > when > > > flattening the whole form, I included the Acrobat version of the > > flattened > > > pdf. > > > If we flatten the whole form with refreshAppearance=false we get pretty > > > much the same result as Acrobat, same number From XObjects, but if we > > > flatten with refreshAppearance=true we get a lot of Form XObjects (I > > guess > > > one for each field, even empty ones) and a slightly wrong positioning of > > > the text field. > > > Could you please help me understand what's the issue here? > > > Thanks > > > > > > Here the files: > > > > > https://www.dropbox.com/sh/rmywlrmftolvwil/AADcz1Djfe59YAm8ykKnpIN5a?dl=0 > > -- > > Maruan Sahyoun > > > > FileAffairs GmbH > > Josef-Schappe-Straße 21 > > 40882 Ratingen > > > > Tel: +49 (2102) 89497 88 > > Fax: +49 (2102) 89497 91 > > [email protected] > > www.fileaffairs.de > > > > Geschäftsführer: Maruan Sahyoun > > Handelsregister: AG Düsseldorf, HRB 53837 > > UST.-ID: DE248275827 > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [email protected] > > For additional commands, e-mail: [email protected] > > > > -- Maruan Sahyoun
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