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HTML to PDF - HTML img with src='data:image/gif;base64 Options
Michael
Posted: Saturday, May 10, 2014 11:53:55 PM
Rank: Newbie
Groups: Member

Joined: 3/25/2013
Posts: 8
When I attempt to convert a webpage that contain an img element which contains raw image data, the images do not display. This is the HTML element.

Quote:
<img id="SigImage1" src="data:image/gif;base64,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" />


When the PDF is created I get the "missing image question mark" where the image should be. Below is the code I use to convert the page:

Quote:
PdfDocument doc = new PdfDocument();
HtmlToPdf.ConvertHtml("<html>" + WaiverHTML + "</html>", doc);
MemoryStream ms = new MemoryStream();
doc.Save(ms);


All of the other text renders fine in the pdf. Only the images do not show. Thanks for the help.

Michael
eo_support
Posted: Sunday, May 11, 2014 3:44:19 AM
Rank: Administration
Groups: Administration

Joined: 5/27/2007
Posts: 24,067
Hi,

We tested your code by call ConvertHtml("<html><body>" + imageHtml + "</body></html>") and it works fine. So there must be something else. If you can isolate the problem into a self contained test project, we will be very happy to look further.

Thanks!


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