private int RemoveKidObject(PdfObject kid)
{
PdfObject k = GetK();
if (k == null || !k.IsArray() && k != kid && k != kid.GetIndirectReference())
{
return(-1);
}
int removedIndex = -1;
if (k.IsArray())
{
PdfArray kidsArray = (PdfArray)k;
removedIndex = RemoveObjectFromArray(kidsArray, kid);
}
if (!k.IsArray() || k.IsArray() && ((PdfArray)k).IsEmpty())
{
GetPdfObject().Remove(PdfName.K);
removedIndex = 0;
}
SetModified();
return(removedIndex);
}
/// <summary>Reads the layers from the document to be able to modify them in the future.</summary>
private void ReadLayersFromDictionary()
{
PdfArray ocgs = GetPdfObject().GetAsArray(PdfName.OCGs);
if (ocgs == null || ocgs.IsEmpty())
{
return;
}
IDictionary <PdfIndirectReference, PdfLayer> layerMap = new SortedDictionary <PdfIndirectReference, PdfLayer
>();
for (int ind = 0; ind < ocgs.Size(); ind++)
{
PdfLayer currentLayer = new PdfLayer((PdfDictionary)ocgs.GetAsDictionary(ind).MakeIndirect(GetDocument()));
// We will set onPanel to true later for the objects present in /D->/Order entry.
currentLayer.onPanel = false;
layerMap.Put(currentLayer.GetIndirectReference(), currentLayer);
}
PdfDictionary d = GetPdfObject().GetAsDictionary(PdfName.D);
if (d != null && !d.IsEmpty())
{
PdfArray off = d.GetAsArray(PdfName.OFF);
if (off != null)
{
for (int i = 0; i < off.Size(); i++)
{
PdfObject offLayer = off.Get(i, false);
if (offLayer.IsIndirectReference())
{
layerMap.Get((PdfIndirectReference)offLayer).on = false;
}
else
{
layerMap.Get(offLayer.GetIndirectReference()).on = false;
}
}
}
PdfArray locked = d.GetAsArray(PdfName.Locked);
if (locked != null)
{
for (int i = 0; i < locked.Size(); i++)
{
PdfObject lockedLayer = locked.Get(i, false);
if (lockedLayer.IsIndirectReference())
{
layerMap.Get((PdfIndirectReference)lockedLayer).locked = true;
}
else
{
layerMap.Get(lockedLayer.GetIndirectReference()).locked = true;
}
}
}
PdfArray orderArray = d.GetAsArray(PdfName.Order);
if (orderArray != null && !orderArray.IsEmpty())
{
ReadOrderFromDictionary(null, orderArray, layerMap);
}
}
// Add the layers which should not be displayed on the panel to the order list
foreach (PdfLayer layer in layerMap.Values)
{
if (!layer.IsOnPanel())
{
layers.Add(layer);
}
}
}
private PdfFormField MakeFormField(PdfObject fieldDict)
{
PdfFormField field = PdfFormField.MakeFormField(fieldDict, documentTo);
if (field == null)
{
logger.Warn(MessageFormatUtil.Format(iText.IO.LogMessageConstant.CANNOT_CREATE_FORMFIELD, fieldDict.GetIndirectReference
()));
}
return(field);
}
