public virtual byte[] CreatePartiallyFlattenedForm()
{
ByteArrayOutputStream baos = new ByteArrayOutputStream();
PdfDocument pdfDoc = new PdfDocument(new PdfReader(SRC), new PdfWriter(baos));
Document doc = new Document(pdfDoc);
PdfAcroForm form = PdfAcroForm.GetAcroForm(pdfDoc, false);
IDictionary <String, PdfFormField> fields = form.GetFormFields();
fields["sunday_1"].SetValue("1");
fields["sunday_2"].SetValue("2");
fields["sunday_3"].SetValue("3");
fields["sunday_4"].SetValue("4");
fields["sunday_5"].SetValue("5");
fields["sunday_6"].SetValue("6");
// Add the fields, identified by name, to the list of fields to be flattened
form.PartialFormFlattening("sunday_1");
form.PartialFormFlattening("sunday_2");
form.PartialFormFlattening("sunday_3");
form.PartialFormFlattening("sunday_4");
form.PartialFormFlattening("sunday_5");
form.PartialFormFlattening("sunday_6");
// Only the included above fields are flattened.
// If no fields have been explicitly included, then all fields are flattened.
form.FlattenFields();
doc.Close();
return(baos.ToArray());
}
public virtual void GetFieldsForFlatteningTest()
{
String outPdfName = destinationFolder + "flattenedFormField.pdf";
PdfDocument pdfDoc = new PdfDocument(new PdfReader(sourceFolder + "formFieldFile.pdf"), new PdfWriter(outPdfName
));
PdfAcroForm form = PdfAcroForm.GetAcroForm(pdfDoc, false);
NUnit.Framework.Assert.AreEqual(0, form.GetFieldsForFlattening().Count);
form.PartialFormFlattening("radioName");
form.PartialFormFlattening("Text1");
PdfFormField radioNameField = form.GetField("radioName");
PdfFormField text1Field = form.GetField("Text1");
NUnit.Framework.Assert.AreEqual(2, form.GetFieldsForFlattening().Count);
NUnit.Framework.Assert.IsTrue(form.GetFieldsForFlattening().Contains(radioNameField));
NUnit.Framework.Assert.IsTrue(form.GetFieldsForFlattening().Contains(text1Field));
form.FlattenFields();
pdfDoc.Close();
PdfDocument outPdfDoc = new PdfDocument(new PdfReader(outPdfName));
PdfAcroForm outPdfForm = PdfAcroForm.GetAcroForm(outPdfDoc, false);
NUnit.Framework.Assert.AreEqual(2, outPdfForm.GetFormFields().Count);
outPdfDoc.Close();
}
public void UpdatePDFFields(string filePath, string prefix, string outputLocation, IEnumerable <PDFField> pdfFields)
{
using (PdfDocument pdfDoc = new PdfDocument(new PdfReader(filePath), new PdfWriter(outputLocation)))
{
PdfAcroForm form = PdfAcroForm.GetAcroForm(pdfDoc, true);
//Async causes crash
foreach (var value in pdfFields)
{
form.GetField(value.Name).SetValue(value.Value);
form.PartialFormFlattening(value.Name);
}
//Flattens all fields OR Flattens all fields marked to be flattened
form.FlattenFields();
}
}