//private TestScript testScript;
internal void ResetProcessing()
{
debug.PrintPlus("in reset processing");
this._imageCapture.ResetProcessing();
this._imageProcessor.ResetProcessing();
this._dbpediaResult = null;
this._processing = false;
}
public void ResetProcessing()
{
this._sourceImage = null;
this._webDetection = null;
this._dbpediaResult = null;
this._beginProcessingTime = 0.0f;
this._endProcessingTime = 0.0f;
this.output = null;
//this.annotateImageResponses = null;
this._completed = false;
this._processing = false;
}
// Update is called once per frame
void Update()
{
if (this._processing)
{
return;
}
if ((this._imageProcessor.output != null) && (this._imageProcessor._processing == true) && (this._imageProcessor._completed == true))
{
//we have some output to process
this._processing = true;
this._dbpediaResult = this._imageProcessor.output;
//this.TestScriptDisplay();
StartCoroutine(CreateDisplay());
}
}
IEnumerator RunDBPediaQueries()
{
DBpediaResult db = new DBpediaResult();
foreach (WebEntity e in this._webDetection.webEntities)
{
string desc = e.description;
string query = GetDBpediaQueryString(desc);
using (UnityWebRequest req = UnityWebRequest.Get(query))
{
//request and wait for the desired page
yield return(req.SendWebRequest());
if (req.isNetworkError)
{
Debug.Log("Web request error: " + req.error);
}
else
{
db = ProcessDBpediaJSON(req.downloadHandler.text);
if (db.Success)
{
break;
}
}
}
}
if (db.Success)
{
//we successfully resolved the image
this._dbpediaResult = db;
}
else
{
//we failed to resolve the image
this._dbpediaResult = null;
}
}
//private void PrintDebugMessage(string msg)
//{
// this.debugMessage.text = msg;
//}
IEnumerator BeginProcessing()
{
this.debug.Print("in beginprocessing");
//timestamp the beginning of the processing cycle
this._beginProcessingTime = Time.time;
//we have the source image.
//we need to create a request and invoke the machine vision service
//convert the source image into a base64-encoded string
byte[] jpg = this._sourceImage.EncodeToJPG();
string base64 = System.Convert.ToBase64String(jpg);
//create the request collection object
AnnotateImageRequests requests = new AnnotateImageRequests();
requests.requests = new List <AnnotateImageRequest>();
//create the request object
AnnotateImageRequest request = new AnnotateImageRequest();
//configure the request object
request.image = new Image();
request.image.content = base64;
request.features = new List <Feature>();
Feature feature = new Feature();
//we are only interested in web detections
feature.type = FeatureType.WEB_DETECTION.ToString();
//we only want a single response
feature.maxResults = this.maxResults;
request.features.Add(feature);
requests.requests.Add(request);
//creat a MachineVisionClient to post the request
MachineVisionClient client = new MachineVisionClient();
//send the request
yield return(client.SendWebRequest(requests));
//the MachineVisionClient will send the request and create response object
//get a reference to the response object
MachineVisionResponse res = client.response;
//check if an error was encountered during the request
if (res.isError)
{
//an error occurred during processing
Debug.Log("Web detection object is null.");
//return a null web detection object
this._webDetection = null;
//set the DPpedia result to null
this.output = new DBpediaResult();
yield break;
}
//if we get here, then we have successully returned a web detection from the Google Vision API
this._webDetection = res.annotateImageResponse.webDetection;
//now run the dbpedia queries
yield return(StartCoroutine(RunDBPediaQueries()));
if (this._dbpediaResult == null)
{
//the retrieval of results from dbpedia failed, so create a null dbpedia result
this.output = new DBpediaResult();
}
else
{
this.output = this._dbpediaResult;
}
//if we get here then we have a result to process
//timestamp the end processing time
this._endProcessingTime = Time.time;
//mark the processing as completed
this._completed = true;
this.debug.Print("db-result: " + this._dbpediaResult.Success.ToString());
}
