There a number of interfaces to resolve the image location (not really well documented). See the following snippet of HTMLWorker:
if (interfaceProps != null) {
IImageProvider ip = (IImageProvider)interfaceProps["img_provider"];
if (ip != null)
img = ip.GetImage(src, h, cprops, document);
if (img == null) {
Hashtable images = (Hashtable)interfaceProps["img_static"];
if (images != null) {
Image tim = (Image)images[src];
if (tim != null)
img = Image.GetInstance(tim);
} else {
if (!src.StartsWith("http")) { // relative src references only
String baseurl = (String)interfaceProps["img_baseurl"];
if (baseurl != null) {
src = baseurl + src;
img = Image.GetInstance(src);
}
}
}
}
}
Paulo
> -----Original Message-----
> From: Jay80 [mailto:
stewart.jms@...]
> Sent: Thursday, September 03, 2009 4:13 PM
> To:
itextsharp-questions@...
> Subject: Re: [itextsharp-questions] iTextSharp: problems with
> relative paths during conversion of html to pdf (HTMLWorker)
>
>
> I had the same problem. iTextSharp is trying load the images
> using absolute
> paths. So if you only provide it a relative, it will try to
> resolve it the
> best way it knows how by appending an absolute file system
> path to it. The
> problem is that the path it appends usually doesn't contain
> the file you are
> looking for. There are two solutions to the problem:
>
> 1. Provide a fully qualified URL to the image. For Example:
>
http://www.mysite.com/images/image.jpg> 2. With .NET, you can use
> Server.MapPath("~/images/image.jpg"). This will
> get an absolute path to the image on the file system.
>
> I handled this by creating a method that parsed all images
> from my HTML and
> added the appropriate domain information to image links based
> on the current
> application path.
>
>
> Tommy Sanddal Poulsen wrote:
> >
> > Hi,
> >
> > I am looking into using iTextSharp in the CMS system I use,
> creating a pdf
> > of part of the content.
> >
> > My problem is, that HTMLWorker.ParseToList seems to choke
> on relative
> > image
> > source-paths during conversion of html to pdf (resulting in an empty
> > pdf-document).
> >
> > Is this a known issue, and does anyone have a nice solution to it?
> >
> >
> >
> > Regards
> >
> >>Tommy
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