/**
* Closes the AcroForm.
*/
public bool IsValid()
{
if (documentFields.Size == 0)
{
return(false);
}
Put(PdfName.FIELDS, documentFields);
if (sigFlags != 0)
{
Put(PdfName.SIGFLAGS, new PdfNumber(sigFlags));
}
if (calculationOrder.Size > 0)
{
Put(PdfName.CO, calculationOrder);
}
if (fieldTemplates.Count == 0)
{
return(true);
}
PdfDictionary dic = new PdfDictionary();
foreach (PdfTemplate template in fieldTemplates.Keys)
{
PdfFormField.MergeResources(dic, (PdfDictionary)template.Resources);
}
Put(PdfName.DR, dic);
Put(PdfName.DA, new PdfString("/Helv 0 Tf 0 g "));
PdfDictionary fonts = (PdfDictionary)dic.Get(PdfName.FONT);
if (fonts != null)
{
writer.EliminateFontSubset(fonts);
}
return(true);
}
private void AddFieldResources(PdfDictionary catalog)
{
if (fieldArray == null)
{
return;
}
PdfDictionary acroForm = new PdfDictionary();
catalog.Put(PdfName.ACROFORM, acroForm);
acroForm.Put(PdfName.FIELDS, fieldArray);
acroForm.Put(PdfName.DA, new PdfString("/Helv 0 Tf 0 g "));
if (fieldTemplates.Count == 0)
{
return;
}
PdfDictionary dr = new PdfDictionary();
acroForm.Put(PdfName.DR, dr);
foreach (PdfTemplate template in fieldTemplates.Keys)
{
PdfFormField.MergeResources(dr, (PdfDictionary)template.Resources);
}
PdfDictionary fonts = dr.GetAsDict(PdfName.FONT);
if (fonts == null)
{
fonts = new PdfDictionary();
dr.Put(PdfName.FONT, fonts);
}
if (!fonts.Contains(PdfName.HELV))
{
PdfDictionary dic = new PdfDictionary(PdfName.FONT);
dic.Put(PdfName.BASEFONT, PdfName.HELVETICA);
dic.Put(PdfName.ENCODING, PdfName.WIN_ANSI_ENCODING);
dic.Put(PdfName.NAME, PdfName.HELV);
dic.Put(PdfName.SUBTYPE, PdfName.TYPE1);
fonts.Put(PdfName.HELV, AddToBody(dic).IndirectReference);
}
if (!fonts.Contains(PdfName.ZADB))
{
PdfDictionary dic = new PdfDictionary(PdfName.FONT);
dic.Put(PdfName.BASEFONT, PdfName.ZAPFDINGBATS);
dic.Put(PdfName.NAME, PdfName.ZADB);
dic.Put(PdfName.SUBTYPE, PdfName.TYPE1);
fonts.Put(PdfName.ZADB, AddToBody(dic).IndirectReference);
}
}
internal void CreateWidgets(ArrayList list, AcroFields.Item item)
{
for (int k = 0; k < item.Size; ++k)
{
list.Add(item.GetPage(k));
PdfDictionary merged = item.GetMerged(k);
PdfObject dr = merged.Get(PdfName.DR);
if (dr != null)
{
PdfFormField.MergeResources(resources, (PdfDictionary)PdfReader.GetPdfObject(dr));
}
PdfDictionary widget = new PdfDictionary();
foreach (PdfName key in merged.Keys)
{
if (widgetKeys.ContainsKey(key))
{
widget.Put(key, merged.Get(key));
}
}
widget.Put(iTextTag, new PdfNumber(item.GetTabOrder(k) + 1));
list.Add(widget);
}
}