Hi.
I have a PDF3D file exported from a CAD program.
I have to get U3D model in a new PDF.
Following the tea Pot examples i can inflate the U3d stream, the right
matrix , my problem is on the "preview" . I can't get the PdfAppearance to
work.
this is the source PDF dictionary.
<http://itext-general.2136553.n4.nabble.com/file/n4659343/Immagine.png>
this is the code i use to import image and create Appearance...
Dim ap As PdfAppearance =
_Dest.GetOverContent(1).CreateAppearance(rect.Width(), rect.Height())
Dim NodoImm As XmlNode =
xDom.SelectSingleNode("/XML/node[@name='AP']/node[@name='N']/node[@name='Resources']/node[@name='XObject']/node[@name='Im0']/Binary_stream")
If Not IsNothing(NodoImm) AndAlso Not
IsNothing(NodoImm.ChildNodes(0)) Then
Dim NodoMatrice As XmlNode =
xDom.SelectSingleNode("/XML/node[@name='AP']/node[@name='N']/node[@name='Matrix']")
Dim pdfa As PdfArray =
_3dStrToPdfNumberArray(NodoMatrice.ChildNodes(0).Value)
Dim imgb() As Byte =
System.Convert.FromBase64String(NodoImm.ChildNodes(0).Value)
Dim img As iTextSharp.text.Image =
iTextSharp.text.Image.GetInstance(imgb)
Dim m As New
System.Drawing.Drawing2D.Matrix(Val(pdfa.ArrayList(0).ToString),
Val(pdfa.ArrayList(1).ToString), Val(pdfa.ArrayList(2).ToString),
Val(pdfa.ArrayList(3).ToString), Val(pdfa.ArrayList(4).ToString),
Val(pdfa.ArrayList(5).ToString))
ap.AddImage(img, m)
'Dim dict As PdfDictionary = ap.Additional
'dict.Put(PdfName.NAME, New PdfName("X"))
End If
'
annot.SetAppearance(PdfAnnotation.APPEARANCE_NORMAL, ap)
this is the dictionary of PDF generated
<http://itext-general.2136553.n4.nabble.com/file/n4659343/Immagine_mia.png>
The difference are:
ProcSet
and Metadata ?
Is this the problem ?
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