def get_page_image(options={})
      envelope_id = options[:envelope_id]
      document_id = options[:document_id]
      page_number = options[:page_number]

      uri = build_uri("/accounts/#{acct_id}/envelopes/#{envelope_id}/documents/#{document_id}/pages/#{page_number}/page_image")

      http     = initialize_net_http_ssl(uri)
      request  = Net::HTTP::Get.new(uri.request_uri, headers)
      response = http.request(request)
      generate_log(request, response, uri)
      response.body
    end
def get_page_image(options={})
      envelope_id = options[:envelope_id]
      document_id = options[:document_id]
      page_number = options[:page_number]

      uri = build_uri("/accounts/#{acct_id}/envelopes/#{envelope_id}/documents/#{document_id}/pages/#{page_number}/page_image")

      http     = initialize_net_http_ssl(uri)
      request  = Net::HTTP::Get.new(uri.request_uri, headers)
      response = http.request(request)
      generate_log(request, response, uri)
      response.body
    end
Public retrieves a png of a page of a document in an envelope

 envelope_id      - ID of the envelope from which the doc will be retrieved
 document_id      - ID of the document to retrieve
 page_number      - page number to retrieve

 Returns the png as a bytestream