(Xojo Plugin) CardConnect Signature Capture

Demonstrates how to upload a BMP image of a handwritten signature.

This signature capture service augments an existing authorization record with the provided signature data. ...

See https://developer.cardconnect.com/cardconnect-api?lang=json#signature-capture

Chilkat Xojo Plugin Download Xojo Plugin for Windows, Linux, Mac OS X, and ARM, ARM64

// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

Dim http As New Chilkat.Http
Dim success As Boolean

http.BasicAuth = True
http.Login = "API_USERNAME"
http.Password = "API_PASSWORD"

// Build and send the following JSON:

// {
//   "merchid": "MERCHANT_ID",
//   "retref": "112989260941",
//   "signature": "BASE64_GZIPPED_BMP_DATA"
// }

Dim json As New Chilkat.JsonObject
success = json.UpdateString("merchid","MERCHANT_ID")
success = json.UpdateString("retref","106631225001")

// Load the .bmp containing a 200px x 100px signature.
Dim bd As New Chilkat.BinData
success = bd.LoadFile("qa_data/bmp/signature.bmp")
// Gzip compress.
Dim gzip As New Chilkat.Gzip
success = gzip.CompressBd(bd)
// Add to the JSON in base64 format
success = json.UpdateString("signature",bd.GetEncoded("base64"))

Dim url As String
url = "https://<site>.cardconnect.com:<port>/cardconnect/rest/sigcap"
Dim responseStr As String
responseStr = http.PutText(url,json.Emit(),"utf-8","application/json",False,False)
If (http.LastMethodSuccess = False) Then
    System.DebugLog(http.LastErrorText)
    Return
End If

// A response status of 200 indicates potential success.  The JSON response body
// must be examined to determine if it was truly successful or an error.
System.DebugLog("response status code = " + Str(http.LastStatus))

Dim jsonResp As New Chilkat.JsonObject
success = jsonResp.Load(responseStr)
jsonResp.EmitCompact = False

System.DebugLog("response JSON:")
System.DebugLog(jsonResp.Emit())

// A successful response looks like this:

// {
//   "resptext": "signature stored",
//   "retref": "106631225001",
//   "respcode": "02",
//   "merchid": "MERCHANT_ID"
// }