I think you have to ad the mime type to the header as in:
res.writeHead('200', {'Content-Type': 'image/jpg'});
On Feb 10, 3:47 pm, Alexander Reichstadt <[email protected]>
wrote:
> Hi there,
>
> I am retrieving binary data from a postgres database and display it in the
> browser as data-value in an image tag like this:
>
> function(req,res,params)
> {
> var aPrefkey = params;
> var querystring = 'SELECT * FROM qmcustomerdata WHERE prefkey=\'' +
> aPrefkey.prefkey + '\'';
> dbop.query('','',querystring,function(err,aResult){
> var firstItem = aResult[0];
> if (typeof firstItem['dataval']!='undefined' && firstItem['dataval']!=null
> && firstItem['dataval'].length>0){
> var xb = new Buffer(firstItem['dataval']).toString('base64');
> var tt = firstItem['textval'];
> var holdt = tt.split('/');
> var ft = holdt[1];
> var aName = 'asdasdasd' + '.' + ft;
> res.writeHead(200);
> res.write('<img ' + firstItem['generic_params'] + ' src="' + 'data:' + tt +
> ';base64,' + xb + '" />','binary');
> res.end();} else {
>
> res.writeHead(200);
> res.write(firstItem['textval']);
> res.end();
>
> }
> });
> }
>
> The data does get displayed, and the resulting image tag looks correct with
> all the stuff I need, but the browser displays it like that, as a tag with
> the characters inside and not as an image, it's just an image tag with base
> 64data in the browser window then.
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