public virtual void CreatePDF(String dest)
{
// Create a new pdf based on the resource one
PdfDocument pdfDocument = new PdfDocument(new PdfReader(RESOURCE_FOLDER + INPUT_FILE),
new PdfWriter(dest));
PdfFont font = PdfFontFactory.CreateFont(FONTS_FOLDER + "NotoNaskhArabic-Regular.ttf",
PdfEncodings.IDENTITY_H);
// Embed entire font without any subsetting. Please note that without subset it's impossible to edit a form field
// with the predefined font
font.SetSubset(false);
// في القيام بنشاط
String text = "\u0641\u064A\u0020\u0627\u0644\u0642\u064A\u0627\u0645\u0020\u0628\u0646\u0634\u0627\u0637";
PdfAcroForm form = PdfAcroForm.GetAcroForm(pdfDocument, true);
// Set needAppearance value to false in order to hide the text of the form fields
form.SetNeedAppearances(false);
// Update the value and some other properties of all the pdf document's form fields
foreach (KeyValuePair <String, PdfFormField> entry in form.GetFormFields())
{
PdfFormField field = entry.Value;
field.SetValue(text);
field.SetFont(font).SetJustification(2);
}
pdfDocument.Close();
}
protected void ManipulatePdf(String dest)
{
// CreateForm() method creates a temporary document in the memory,
// which then will be used as a source while writing to a real document
byte[] content = CreateForm();
IRandomAccessSource source = new RandomAccessSourceFactory().CreateSource(content);
PdfDocument pdfDoc = new PdfDocument(new PdfReader(source, new ReaderProperties()), new PdfWriter(dest));
PdfAcroForm form = PdfAcroForm.GetAcroForm(pdfDoc, true);
// Set a flag specifying whether to construct appearance streams and appearance dictionaries
// for all widget annotations in the document.
form.SetNeedAppearances(true);
form.GetField("text1")
// Method sets the flag, specifying whether or not the field can be changed.
.SetReadOnly(true)
.SetValue("A B C D E F G H I J K L M N O P Q R S T U V W X Y Z");
form.GetField("text2")
.SetReadOnly(true)
.SetValue("A B C D E F G H I J K L M N O P Q R S T U V W X Y Z");
form.GetField("text3")
.SetReadOnly(true)
.SetValue("A B C D E F G H I J K L M N O P Q R S T U V W X Y Z");
form.GetField("text4")
.SetReadOnly(true)
.SetValue("A B C D E F G H I J K L M N O P Q R S T U V W X Y Z");
pdfDoc.Close();
}
public virtual void SetNeedAppearancesTest()
{
PdfDocument outputDoc = CreateDocument();
PdfAcroForm acroForm = PdfAcroForm.GetAcroForm(outputDoc, true);
acroForm.SetNeedAppearances(false);
bool isModified = acroForm.GetPdfObject().IsModified();
bool isReleaseForbidden = acroForm.GetPdfObject().IsReleaseForbidden();
PdfObject needAppearance = acroForm.GetPdfObject().Get(PdfName.NeedAppearances);
outputDoc.Close();
NUnit.Framework.Assert.AreEqual(new PdfBoolean(false), needAppearance);
NUnit.Framework.Assert.IsTrue(isModified);
NUnit.Framework.Assert.IsTrue(isReleaseForbidden);
}
public virtual void RegenerateAppearance2()
{
String input = "regenerateAppearance2.pdf";
String output = "regenerateAppearance2.pdf";
PdfDocument document = new PdfDocument(new PdfReader(sourceFolder + input), new PdfWriter(destinationFolder
+ output), new StampingProperties().UseAppendMode());
PdfAcroForm acro = PdfAcroForm.GetAcroForm(document, false);
acro.SetNeedAppearances(true);
PdfFormField field = acro.GetField("number");
field.SetValue("20150044DR");
document.Close();
NUnit.Framework.Assert.IsNull(new CompareTool().CompareByContent(destinationFolder + output, sourceFolder
+ "cmp_" + output, destinationFolder, "diff"));
}
public virtual void SetNeedAppearancesInPdf2Test()
{
PdfDocument outputDoc = new PdfDocument(new PdfWriter(new ByteArrayOutputStream(), new WriterProperties().
SetPdfVersion(PdfVersion.PDF_2_0)));
outputDoc.AddNewPage();
PdfAcroForm acroForm = PdfAcroForm.GetAcroForm(outputDoc, true);
acroForm.SetNeedAppearances(false);
bool isModified = acroForm.GetPdfObject().IsModified();
bool isReleaseForbidden = acroForm.GetPdfObject().IsReleaseForbidden();
PdfObject needAppearance = acroForm.GetPdfObject().Get(PdfName.NeedAppearances);
outputDoc.Close();
NUnit.Framework.Assert.IsNull(needAppearance);
NUnit.Framework.Assert.IsTrue(isModified);
NUnit.Framework.Assert.IsTrue(isReleaseForbidden);
}