Ruben,
does Graphviz leave the images in a path that is "visible" from the
document root? In that case, you could do as simple as
<img jwcid="@Any" src="ognl:pathToImage"/>
and in the .java
public String getPathToImage() {
// determine the path to the image reading other environment parameters
// (visit, properties, etc)
return path;
}
If Graphviz can give you and OutputStream (so you would, in a servlet
environment, simply use <img src="graphvizServlet?param1=value1&"> and
so on), then your getPathToImage would instead build the URL and just
return it to the <img> tag...
Hope it helps,
Dario
On 9/8/05, rverlind <[EMAIL PROTECTED]> wrote:
> Is there any possibility I could show an image coming from an
> InputStream using Tapestry?
>
> The server needs to access Graphviz ( http://www.graphiz.org ) using JNI
> to create image files from a graph description. The output image from
> Graphviz is saved as a file (can't use a fixed file name, can be 1 - n
> files, etc.) on the HD. Afterwards this images must then be shown in the
> web page.
>
> Can anybody give me a hint on a) how to show images in a web page using
> an InputStream (from the file on the HD) or b) an alternative way to
> show these images?
>
>
>
> kind regards,
> Ruben
>
>
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