/// <summary>
/// Gets the resource name of the specified form within this dictionary.
/// </summary>
internal string GetFormName(XForm form)
{
PdfFormXObject pdfForm = _document.FormTable.GetForm(form);
Debug.Assert(pdfForm != null);
string name = Resources.AddForm(pdfForm);
return(name);
}
/// <summary>
/// Initializes a new instance of this class with the document the objects are imported from.
/// </summary>
public PdfImportedObjectTable(PdfDocument owner, PdfDocument externalDocument)
{
if (owner == null)
throw new ArgumentNullException("owner");
if (externalDocument == null)
throw new ArgumentNullException("externalDocument");
_owner = owner;
_externalDocumentHandle = externalDocument.Handle;
_xObjects = new PdfFormXObject[externalDocument.PageCount];
}
/// <summary>
/// Initializes a new instance of this class with the document the objects are imported from.
/// </summary>
public PdfImportedObjectTable(PdfDocument owner, PdfDocument externalDocument)
{
if (owner == null)
{
throw new ArgumentNullException("owner");
}
if (externalDocument == null)
{
throw new ArgumentNullException("externalDocument");
}
_owner = owner;
_externalDocumentHandle = externalDocument.Handle;
_xObjects = new PdfFormXObject[externalDocument.PageCount];
}
/// <summary>
/// Adds the specified form object to this resource dictionary
/// and returns its local resource name.
/// </summary>
public string AddForm(PdfFormXObject form)
{
string name;
if (!_resources.TryGetValue(form, out name))
{
name = NextFormName;
_resources[form] = name;
if (form.Reference == null)
{
Owner._irefTable.Add(form);
}
XObjects.Elements[name] = form.Reference;
}
return(name);
}
/// <summary>
/// Gets a PdfFormXObject from an XPdfForm. Because the returned objects must be unique, always
/// a new instance of PdfFormXObject is created if none exists for the specified form.
/// </summary>
public PdfFormXObject GetForm(XForm form)
{
// If the form already has a PdfFormXObject, return it.
if (form._pdfForm != null)
{
Debug.Assert(form.IsTemplate, "An XPdfForm must not have a PdfFormXObject.");
if (ReferenceEquals(form._pdfForm.Owner, Owner))
{
return(form._pdfForm);
}
//throw new InvalidOperationException("Because of a current limitation of PDFsharp an XPdfForm object can be used only within one single PdfDocument.");
// Dispose PdfFromXObject when document has changed
form._pdfForm = null;
}
XPdfForm pdfForm = form as XPdfForm;
if (pdfForm != null)
{
// Is the external PDF file from which is imported already known for the current document?
Selector selector = new Selector(form);
PdfImportedObjectTable importedObjectTable;
if (!_forms.TryGetValue(selector, out importedObjectTable))
{
// No: Get the external document from the form and create ImportedObjectTable.
PdfDocument doc = pdfForm.ExternalDocument;
importedObjectTable = new PdfImportedObjectTable(Owner, doc);
_forms[selector] = importedObjectTable;
}
PdfFormXObject xObject = importedObjectTable.GetXObject(pdfForm.PageNumber);
if (xObject == null)
{
xObject = new PdfFormXObject(Owner, importedObjectTable, pdfForm);
importedObjectTable.SetXObject(pdfForm.PageNumber, xObject);
}
return(xObject);
}
Debug.Assert(form.GetType() == typeof(XForm));
form._pdfForm = new PdfFormXObject(Owner, form);
return(form._pdfForm);
}
/// <summary>
/// Gets a PdfFormXObject from an XPdfForm. Because the returned objects must be unique, always
/// a new instance of PdfFormXObject is created if none exists for the specified form.
/// </summary>
public PdfFormXObject GetForm(XForm form)
{
// If the form already has a PdfFormXObject, return it.
if (form._pdfForm != null)
{
Debug.Assert(form.IsTemplate, "An XPdfForm must not have a PdfFormXObject.");
if (ReferenceEquals(form._pdfForm.Owner, Owner))
return form._pdfForm;
//throw new InvalidOperationException("Because of a current limitation of PDFsharp an XPdfForm object can be used only within one single PdfDocument.");
// Dispose PdfFromXObject when document has changed
form._pdfForm = null;
}
XPdfForm pdfForm = form as XPdfForm;
if (pdfForm != null)
{
// Is the external PDF file from which is imported already known for the current document?
Selector selector = new Selector(form);
PdfImportedObjectTable importedObjectTable;
if (!_forms.TryGetValue(selector, out importedObjectTable))
{
// No: Get the external document from the form and create ImportedObjectTable.
PdfDocument doc = pdfForm.ExternalDocument;
importedObjectTable = new PdfImportedObjectTable(Owner, doc);
_forms[selector] = importedObjectTable;
}
PdfFormXObject xObject = importedObjectTable.GetXObject(pdfForm.PageNumber);
if (xObject == null)
{
xObject = new PdfFormXObject(Owner, importedObjectTable, pdfForm);
importedObjectTable.SetXObject(pdfForm.PageNumber, xObject);
}
return xObject;
}
Debug.Assert(form.GetType() == typeof(XForm));
form._pdfForm = new PdfFormXObject(Owner, form);
return form._pdfForm;
}
/// <summary>
/// Adds the specified form object to this resource dictionary
/// and returns its local resource name.
/// </summary>
public string AddForm(PdfFormXObject form)
{
string name;
if (!this.resources.TryGetValue(form, out name))
{
name = NextFormName;
this.resources[form] = name;
if (form.Reference == null)
Owner.irefTable.Add(form);
XObjects.Elements[name] = form.Reference;
}
return name;
}
public void SetXObject(int pageNumber, PdfFormXObject xObject)
{
_xObjects[pageNumber - 1] = xObject;
}
/// <summary>
/// Creates the normal appearance form X object for the annotation that represents
/// this acro form text field.
/// </summary>
void RenderAppearance()
{
#if true_
PdfFormXObject xobj = new PdfFormXObject(Owner);
Owner.Internals.AddObject(xobj);
xobj.Elements["/BBox"] = new PdfLiteral("[0 0 122.653 12.707]");
xobj.Elements["/FormType"] = new PdfLiteral("1");
xobj.Elements["/Matrix"] = new PdfLiteral("[1 0 0 1 0 0]");
PdfDictionary res = new PdfDictionary(Owner);
xobj.Elements["/Resources"] = res;
res.Elements["/Font"] = new PdfLiteral("<< /Helv 28 0 R >> /ProcSet [/PDF /Text]");
xobj.Elements["/Subtype"] = new PdfLiteral("/Form");
xobj.Elements["/Type"] = new PdfLiteral("/XObject");
string s =
"/Tx BMC " + '\n' +
"q" + '\n' +
"1 1 120.653 10.707 re" + '\n' +
"W" + '\n' +
"n" + '\n' +
"BT" + '\n' +
"/Helv 7.93 Tf" + '\n' +
"0 g" + '\n' +
"2 3.412 Td" + '\n' +
"(Hello ) Tj" + '\n' +
"20.256 0 Td" + '\n' +
"(XXX) Tj" + '\n' +
"ET" + '\n' +
"Q" + '\n' +
"";//"EMC";
int length = s.Length;
byte[] stream = new byte[length];
for (int idx = 0; idx < length; idx++)
stream[idx] = (byte)s[idx];
xobj.CreateStream(stream);
// Get existing or create new appearance dictionary
PdfDictionary ap = Elements[PdfAnnotation.Keys.AP] as PdfDictionary;
if (ap == null)
{
ap = new PdfDictionary(_document);
Elements[PdfAnnotation.Keys.AP] = ap;
}
// Set XRef to normal state
ap.Elements["/N"] = xobj.Reference;
//// HACK
//string m =
//"<?xpacket begin=\"\" id=\"W5M0MpCehiHzreSzNTczkc9d\"?>" + '\n' +
//"<x:xmpmeta xmlns:x=\"adobe:ns:meta/\" x:xmptk=\"Adobe XMP Core 4.0-c321 44.398116, Tue Aug 04 2009 14:24:39\"> " + '\n' +
//" <rdf:RDF xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\"> " + '\n' +
//" <rdf:Description rdf:about=\"\" " + '\n' +
//" xmlns:pdf=\"http://ns.adobe.com/pdf/1.3/\"> " + '\n' +
//" <pdf:Producer>PDFsharp 1.40.2150-g (www.pdfsharp.com) (Original: Powered By Crystal)</pdf:Producer> " + '\n' +
//" </rdf:Description> " + '\n' +
//" <rdf:Description rdf:about=\"\" " + '\n' +
//" xmlns:xap=\"http://ns.adobe.com/xap/1.0/\"> " + '\n' +
//" <xap:ModifyDate>2011-07-11T23:15:09+02:00</xap:ModifyDate> " + '\n' +
//" <xap:CreateDate>2011-05-19T16:26:51+03:00</xap:CreateDate> " + '\n' +
//" <xap:MetadataDate>2011-07-11T23:15:09+02:00</xap:MetadataDate> " + '\n' +
//" <xap:CreatorTool>Crystal Reports</xap:CreatorTool> " + '\n' +
//" </rdf:Description> " + '\n' +
//" <rdf:Description rdf:about=\"\" " + '\n' +
//" xmlns:dc=\"http://purl.org/dc/elements/1.1/\"> " + '\n' +
//" <dc:format>application/pdf</dc:format> " + '\n' +
//" </rdf:Description> " + '\n' +
//" <rdf:Description rdf:about=\"\" " + '\n' +
//" xmlns:xapMM=\"http://ns.adobe.com/xap/1.0/mm/\"> " + '\n' +
//" <xapMM:DocumentID>uuid:68249d89-baed-4384-9a2d-fbf8ace75c45</xapMM:DocumentID> " + '\n' +
//" <xapMM:InstanceID>uuid:3d5f2f46-c140-416f-baf2-7f9c970cef1d</xapMM:InstanceID> " + '\n' +
//" </rdf:Description> " + '\n' +
//" </rdf:RDF> " + '\n' +
//"</x:xmpmeta> " + '\n' +
//" " + '\n' +
//" " + '\n' +
//" " + '\n' +
//" " + '\n' +
//" " + '\n' +
//" " + '\n' +
//" " + '\n' +
//" " + '\n' +
//" " + '\n' +
//" " + '\n' +
//"<?xpacket end=\"w\"?>";
//PdfDictionary mdict = (PdfDictionary)_document.Internals.GetObject(new PdfObjectID(32));
//length = m.Length;
//stream = new byte[length];
//for (int idx = 0; idx < length; idx++)
// stream[idx] = (byte)m[idx];
//mdict.Stream.Value = stream;
#else
PdfRectangle rect = Elements.GetRectangle(PdfAnnotation.Keys.Rect);
XForm form = new XForm(_document, rect.Size);
XGraphics gfx = XGraphics.FromForm(form);
if (_backColor != XColor.Empty)
gfx.DrawRectangle(new XSolidBrush(BackColor), rect.ToXRect() - rect.Location);
string text = Text;
if (text.Length > 0)
gfx.DrawString(Text, Font, new XSolidBrush(ForeColor),
rect.ToXRect() - rect.Location + new XPoint(2, 0), XStringFormats.TopLeft);
form.DrawingFinished();
form.PdfForm.Elements.Add("/FormType", new PdfLiteral("1"));
// Get existing or create new appearance dictionary.
PdfDictionary ap = Elements[PdfAnnotation.Keys.AP] as PdfDictionary;
if (ap == null)
{
ap = new PdfDictionary(_document);
Elements[PdfAnnotation.Keys.AP] = ap;
}
// Set XRef to normal state
ap.Elements["/N"] = form.PdfForm.Reference;
PdfFormXObject xobj = form.PdfForm;
string s = xobj.Stream.ToString();
// Thank you Adobe: Without putting the content in 'EMC brackets'
// the text is not rendered by PDF Reader 9 or higher.
s = "/Tx BMC\n" + s + "\nEMC";
xobj.Stream.Value = new RawEncoding().GetBytes(s);
#endif
}
/// <summary>
/// Adds the specified form object to this resource dictionary
/// and returns its local resource name.
/// </summary>
public string AddForm(PdfFormXObject form)
{
string name = (string)this.resources[form];
if (name == null)
{
name = NextFormName;
this.resources[form] = name;
if (form.Reference == null)
this.Owner.irefTable.Add(form);
XObjects.Elements[name] = form.Reference;
}
return name;
}
/// <summary>
/// Initializes a new instance of the XForm class such that it can be drawn on the specified graphics
/// object.
/// </summary>
/// <param name="gfx">The graphics object that later is used to draw this form.</param>
/// <param name="size">The size in points of the form.</param>
public XForm(XGraphics gfx, XSize size)
{
if (gfx == null)
throw new ArgumentNullException("gfx");
if (size.Width < 1 || size.Height < 1)
throw new ArgumentNullException("size", "The size of the XPdfForm is to small.");
_formState = FormState.Created;
//templateSize = size;
_viewBox.Width = size.Width;
_viewBox.Height = size.Height;
// If gfx belongs to a PdfPage also create the PdfFormXObject
if (gfx.PdfPage != null)
{
_document = gfx.PdfPage.Owner;
_pdfForm = new PdfFormXObject(_document, this);
PdfRectangle rect = new PdfRectangle(new XPoint(), size);
_pdfForm.Elements.SetRectangle(PdfFormXObject.Keys.BBox, rect);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="XForm"/> class that represents a page of a PDF document.
/// </summary>
/// <param name="document">The PDF document.</param>
/// <param name="viewBox">The view box of the page.</param>
public XForm(PdfDocument document, XRect viewBox)
{
if (viewBox.Width < 1 || viewBox.Height < 1)
throw new ArgumentNullException("viewBox", "The size of the XPdfForm is to small.");
// I must tie the XPdfForm to a document immediately, because otherwise I would have no place where
// to store the resources.
if (document == null)
throw new ArgumentNullException("document", "An XPdfForm template must be associated with a document at creation time.");
_formState = FormState.Created;
_document = document;
_pdfForm = new PdfFormXObject(document, this);
//_templateSize = size;
_viewBox = viewBox;
PdfRectangle rect = new PdfRectangle(viewBox);
_pdfForm.Elements.SetRectangle(PdfFormXObject.Keys.BBox, rect);
}
public void SetXObject(int pageNumber, PdfFormXObject xObject)
{
this.xObjects[pageNumber - 1] = xObject;
}
