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Re: curl and grabbing images ?

From: Hien Nguyen <hnguyen97_at_gmail.com>
Date: Wed, 30 Mar 2005 12:33:19 -0600

It works.

Another option is to install cygwin and set the PATH environmental parameter
to curl

Thanks
----- Original Message -----
From: "Augustus Saunders" <augustus.saunders_at_verilogix.net>
To: "libcurl development" <curl-library_at_cool.haxx.se>
Sent: Thursday, March 24, 2005 11:54 AM
Subject: Re: curl and grabbing images ?

> Ok, using libcurl and curl command line are pretty different. You should
> read the documentation for curl_easy_setopt and find the options you want.
> In a nutshell, the "| djpeg -bmp -grayscale > image222.bmp" is not
> included in the URL. The URL parameter is not a unix shell (or dos shell)
> command line, it is just the URL. So you will need to download the jpeg
> first and then invoke djpeg (using a system call) to convert it to a
> bitmap. To save the jpeg to a file, you'll need to fopen the target file,
> and then pass the FILE* to curl as the CURLOPT_WRITEDATA parameter. See
> the curl_easy_setopt docs for more info.
>
> Augustus
>
> Hien Nguyen wrote:
>
>> Hi all,
>> I am programming Visual C with curl library. I try to capture an image
>> from a server to process. If I use:
>> curl_easy_setopt(curl, CURLOPT_URL, "http://192.168.1.226/jpg/image.jpg
>> | djpeg -bmp -grayscale > image222.bmp"
>> There's no error. However, I do not find the image222.bmp.
>> For the curl command line, that's okie.
>> Please help me. Thank you.
>> Hien
>
Received on 2005-03-30