c++ - Serialize PNG and Send to Rest Client -

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iam sending images in png format rest clients. when download file on client side , try open it, errors. believe headers of file missing, how can add them serverresponse?

on details of picture can see, size , on missing.

ifstream stream;  stream.open(fullfilename,std::ios::binary); string content, line;  if (stream) {     while (getline(stream,line)){         content += line;     } }  stream.close(); request::request->set_body(content);

after searching around found post post on side.

and sequenze create that.

ifstream *stream = new ifstream(fullfilename, std::ios::in | std::ios::binary);      std::ostringstream *oss = new ostringstream();     *oss << stream->rdbuf();     string *content = new string(oss->str());      stream->close();     request::request->set_body(*content);

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