PDFsharp & MigraDoc Foundation

PDFsharp - A .NET library for processing PDF & MigraDoc Foundation - Creating documents on the fly
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PostPosted: Fri Jan 01, 2021 2:14 pm 
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Joined: Sun Aug 26, 2012 2:34 pm
Posts: 15
Trying to use version MigraDoc 1.50.5147.0 to embed a gif logo into a RTF document. Used the readily available examples and it's working for PDF but not when I render a RTF.

static string MigraDocFilenameFromByteArray(byte[] image)
{
return "base64:" + Convert.ToBase64String(image);
}

void LoadLogo()
{
byte[] imageArray = Library.Helpers.FileUtils.ReadFile(LogoFilename);

string strEmbeddedImage = MigraDocFilenameFromByteArray(imageArray);
CurrentDocument.LastSection.Headers.FirstPage.AddImage(strEmbeddedImage);
}


public static byte[] ReadFile(string sPath)
{
//Initialize byte array with a null value initially.
byte[] data = null;

//Use FileInfo object to get file size.
FileInfo fInfo = new FileInfo(sPath);
long numBytes = fInfo.Length;

//Open FileStream to read file
FileStream fStream = new FileStream(sPath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
//FileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))

//Use BinaryReader to read file stream into byte array.
BinaryReader br = new BinaryReader(fStream, Encoding.Default);

//When you use BinaryReader, you need to supply number of bytes to read from file.
//In this case we want to read entire file. So supplying total number of bytes.
data = br.ReadBytes((int)numBytes);

//Close BinaryReader
br.Close();

//Close FileStream
fStream.Close();

return data;
}


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PostPosted: Mon Jan 04, 2021 9:19 am 
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Joined: Sat Mar 14, 2015 10:15 am
Posts: 635
Location: CCAA
RTFM: BASE64 works for PDF, but not yet for RTF. Just use normal images from files.

_________________
Best regards
Thomas
(Freelance Software Developer with several years of MigraDoc/PDFsharp experience)


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PostPosted: Mon Jan 04, 2021 11:52 am 
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Joined: Sun Aug 26, 2012 2:34 pm
Posts: 15
The RTF is generated on a web server thru a web service and downloaded to the client. When the images are added to the RTF, the image is missing when downloaded. I was hoping to embed the image in the RTF like the PDF.


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PostPosted: Mon Jan 04, 2021 5:10 pm 
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Joined: Sun Aug 26, 2012 2:34 pm
Posts: 15
I separated the logic between the PDF & RTF generation and the image is now appearing in the downloaded RTF document.


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PostPosted: Tue Jan 05, 2021 12:09 pm 
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Joined: Sun Aug 26, 2012 2:34 pm
Posts: 15
Although I'm now able to embed the logo image in the PDF, I've lost the ability to position the image on the header, either left, right or center. How can I add positioning to the image i'm embedding?


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