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');
>>
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