on which platform are you developing the app? I have seen the null value when the imagemagick binary segfaulted... this happened to me on macos and some linux distributions.
On Tue, Feb 12, 2013 at 8:10 AM, Mark Hahn <[email protected]> wrote: > I use the identify command to get the image metadata. > > > On Tue, Feb 12, 2013 at 3:04 AM, greelgorke <[email protected]> wrote: > >> check the err object in your callback for im and check the third param >> which is stderr. if stdout is null then probably an error is occurred >> >> Am Dienstag, 12. Februar 2013 09:46:02 UTC+1 schrieb Rakesh Kumar: >> >>> I am using image urls in my nodejs server directly to fetch images. what >>> i want is to create thumbnails of the images and show it in the browser. >>> The problem i am facing is with imagemagick. stdout is showing null values. >>> How to get data of resized image? >>> Below is the code i am implementing. urls are defined in an global array. >>> >>> http.createServer(function(**req,res){ >>> var i=1; >>> var buf=''; >>> request({url:url[i], encoding: null}, function (err, response, body) { >>> if (!err && response.statusCode == 200) { >>> im.resize({ >>> srcData: body, >>> width: 50, >>> }, function(err, stdout) { >>> res.writeHead(200,{"Content-**type":"text/html"}); >>> res.write(stdout.toString('**base64')); >>> res.write('<img src = "data:image/png;base64,' + >>> stdout.toString('base64') ); >>> res.end('" />'); >>> }); >>> } >>> }); >>> }).listen(1337,'127.0.0.1'); >>> >> -- >> -- >> Job Board: http://jobs.nodejs.org/ >> Posting guidelines: >> https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines >> You received this message because you are subscribed to the Google >> Groups "nodejs" group. >> To post to this group, send email to [email protected] >> To unsubscribe from this group, send email to >> [email protected] >> For more options, visit this group at >> http://groups.google.com/group/nodejs?hl=en?hl=en >> >> --- >> You received this message because you are subscribed to the Google Groups >> "nodejs" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> For more options, visit https://groups.google.com/groups/opt_out. >> >> >> > > -- > -- > Job Board: http://jobs.nodejs.org/ > Posting guidelines: > https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines > You received this message because you are subscribed to the Google > Groups "nodejs" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/nodejs?hl=en?hl=en > > --- > You received this message because you are subscribed to the Google Groups > "nodejs" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. > > > -- -- Job Board: http://jobs.nodejs.org/ Posting guidelines: https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines You received this message because you are subscribed to the Google Groups "nodejs" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/nodejs?hl=en?hl=en --- You received this message because you are subscribed to the Google Groups "nodejs" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
