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Converting an image for an RTF Document

Hello,

I am creating an RTF document server side for a report.

However I am having problems converting images into the required RTF
format.

I am converting the image into a string (binary) and including the
image syntax as per the RTF Specification, however the image is not
appearing when I view the document in Word or WordPad.

I would greatly appreciate any advice if anyone has done this before.

I have included some code:

Dim l_ConvertImage As New ImageConvert("i mages/decipher_logo.g if"))

l_RTFString.App end("{\sp{\sn fLayoutInCell}{ \sv
1}}}\picscalex1 00\picscaley100 \piccropl0\picc ropr0\piccropt0 \piccropb0\picw "
& l_ConvertImage. l_ImageWidth & "\pich" & l_ConvertImage. l_ImageHeight
& " \picwgoal3615\p ichgoal1200\jpe gblip\bliptag-1988638119{\*\b lipuid
8977ca59685e5fe dce9ad02c42c5ff f2\bin " & l_ConvertImage. l_ImageSize &
"}" & vbCrLf & vbCrLf)
l_RTFString.App end(l_ConvertIm age.BinaryToStr ing)
l_RTFString.App end("}}" & vbCrLf)

Private Class ImageConvert
Private l_ImageFile As System.Drawing. Bitmap
Private l_MemStream As MemoryStream
Public l_ImageWidth As Integer
Public l_ImageHeight As Integer
Public l_ImageSize As Integer

Public Sub New(ByVal v_ImageLocation As String)
l_ImageFile = New System.Drawing. Bitmap(v_ImageL ocation)
l_ImageWidth = l_ImageFile.Wid th
l_ImageHeight = l_ImageFile.Hei ght

l_MemStream = New MemoryStream()
l_ImageFile.Sav e(l_MemStream,
System.Drawing. Imaging.ImageFo rmat.Jpeg)
l_ImageSize = Convert.ToInt32 (l_MemStream.Le ngth)
End Sub

Public Function BinaryToString( ) As String
Dim l_ReturnString As New System.Text.Str ingBuilder()
Dim l_ImageBytes(l_ ImageSize) As Byte

l_MemStream.Pos ition = 0
l_MemStream.Rea d(l_ImageBytes, 0, l_ImageSize)
l_MemStream.Clo se()

Dim l_Enum As System.Collecti ons.IEnumerator =
l_ImageBytes.Ge tEnumerator
While l_Enum.MoveNext
l_ReturnString. Append(l_Enum.C urrent)
End While

Return l_ReturnString. ToString
End Function
End Class

Thanks,
Mark
Nov 17 '05 #1
0 1754

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