New version, displays actual objects instead of just displaying textures

FullScreen-Version/MediaFrameQrProcessing/Math/LevenshteinDistance.cs

@@ -28,13 +28,9 @@ public static int Compute(string s, string t)
             }
 
             // Step 2
-            for (int i = 0; i <= n; d[i, 0] = i++)
-            {
-            }
+            for (int i = 0; i <= n; d[i, 0] = i++);
+            for (int j = 0; j <= m; d[0, j] = j++);
 
-            for (int j = 0; j <= m; d[0, j] = j++)
-            {
-            }
 
             // Step 3
             for (int i = 1; i <= n; i++)

FullScreen-Version/MediaFrameQrProcessing/Processors/MediaCaptureFrameProcessor.cs

@@ -10,7 +10,7 @@
 
     public abstract class MediaCaptureFrameProcessor : IDisposable
     {
-        public MediaCaptureFrameProcessor(
+        protected MediaCaptureFrameProcessor(
           MediaFrameSourceFinder mediaFrameSourceFinder,
           DeviceInformation videoDeviceInformation,
           string mediaEncodingSubtype,
@@ -86,16 +86,22 @@ async Task<MediaCapture> CreateMediaCaptureAsync()
                 MemoryPreference = this.memoryPreference
             };
 
-            var mediaCapture = new MediaCapture();
+            var tempMediaCapture = new MediaCapture();
 
-            await mediaCapture.InitializeAsync(settings);
+            await tempMediaCapture.InitializeAsync(settings);
 
-            this.videoDeviceControllerInitialiser?.Invoke(mediaCapture.VideoDeviceController);
+            this.videoDeviceControllerInitialiser?.Invoke(tempMediaCapture.VideoDeviceController);
 
-            return (mediaCapture);
+            return (tempMediaCapture);
         }
 
         public void Dispose()
+        {
+            Dispose(true);
+            GC.SuppressFinalize(this);
+        }
+
+        protected virtual void Dispose(bool disposing)
         {
             if (this.mediaCapture != null)
             {
@@ -105,10 +111,10 @@ public void Dispose()
         }
 
         Action<VideoDeviceController> videoDeviceControllerInitialiser;
-        string mediaEncodingSubtype;
-        MediaFrameSourceFinder mediaFrameSourceFinder;
-        DeviceInformation videoDeviceInformation;
-        MediaCaptureMemoryPreference memoryPreference;
+        readonly string mediaEncodingSubtype;
+        readonly MediaFrameSourceFinder mediaFrameSourceFinder;
+        readonly DeviceInformation videoDeviceInformation;
+        readonly MediaCaptureMemoryPreference memoryPreference;
         MediaCapture mediaCapture;
     }
 }

FullScreen-Version/MediaFrameQrProcessing/Processors/WordFrameProcessor.cs

@@ -16,13 +16,13 @@
     public class WordFrameProcessor : MediaCaptureFrameProcessor
     {
         public List<ActiDetectedWord> Result { get; private set; }
-        private string m_RequestWord;
+        public readonly string RequestWord;
         private OcrEngine m_OcrEngine;
 
         public WordFrameProcessor(string requestWord, MediaFrameSourceFinder mediaFrameSourceFinder, DeviceInformation videoDeviceInformation, string mediaEncodingSubtype, MediaCaptureMemoryPreference memoryPreference = MediaCaptureMemoryPreference.Cpu) : base(mediaFrameSourceFinder, videoDeviceInformation, mediaEncodingSubtype, memoryPreference)
         {
             Result = new List<ActiDetectedWord>();
-            this.m_RequestWord = requestWord;
+            this.RequestWord = requestWord;
         }
 
         protected override async Task<bool> ProcessFrameAsync(MediaFrameReference frameReference)
@@ -44,20 +44,22 @@ await Task.Run(async () =>
                         OcrResult ocrResult = await this.m_OcrEngine.RecognizeAsync(bitmap);
 
                         if (ocrResult == null)
-                            throw new Exception("Ocr Result is null");
+                            throw new NullReferenceException("Ocr Result is null");
 
-                        foreach (OcrWord word in ocrResult.Lines.SelectMany(l => l.Words).ToList())
+                        foreach (OcrWord word in ocrResult.Lines.SelectMany(l => l.Words))
                         {
-                            if ("quarante deux".Equals(m_RequestWord.ToLower()))
+                            if ("quarante deux".Equals(RequestWord.ToLower()))
                                 Result.Add(new ActiDetectedWord(word.Text, word.BoundingRect.X, word.BoundingRect.Y, word.BoundingRect.Width, word.BoundingRect.Height, false));
-                            else if (word.Text.ToLower().Contains(m_RequestWord))
+                            else if (word.Text.ToLower().Equals(RequestWord.ToLower()))
                                 Result.Add(new ActiDetectedWord(word.Text, word.BoundingRect.X, word.BoundingRect.Y, word.BoundingRect.Width, word.BoundingRect.Height, true));
-                            else if (LevenshteinDistance.Compute(m_RequestWord.ToLower(), word.Text.ToLower()) <= 2)
+                            else if (word.Text.ToLower().Contains(RequestWord.ToLower()))
+                                Result.Add(new ActiDetectedWord(word.Text, word.BoundingRect.X, word.BoundingRect.Y, word.BoundingRect.Width, word.BoundingRect.Height, true));
+                            else if (RequestWord.ToLower().Contains(word.Text.ToLower()))
+                                Result.Add(new ActiDetectedWord(word.Text, word.BoundingRect.X, word.BoundingRect.Y, word.BoundingRect.Width, word.BoundingRect.Height, true));
+                            else if (LevenshteinDistance.Compute(RequestWord.ToLower(), word.Text.ToLower()) <= 2)
                                 Result.Add(new ActiDetectedWord(word.Text, word.BoundingRect.X, word.BoundingRect.Y, word.BoundingRect.Width, word.BoundingRect.Height, false));
-
                         }
 
-
                         success = Result.Count > 0;
                     }
                     catch (Exception ex)

FullScreen-Version/MediaFrameQrProcessing/Wrappers/IPAddressScanner.cs

@@ -4,11 +4,12 @@
     using MediaFrameQrProcessing.VideoDeviceFinders;
     using System;
     using System.Net;
+    using System.Threading.Tasks;
     using Windows.Media.MediaProperties;
 
     public static class IPAddressScanner
     {
-        public static async void ScanFirstCameraForIPAddress(
+        public static async Task ScanFirstCameraForIPAddress(
           Action<IPAddress> resultCallback,
           TimeSpan timeout)
         {

FullScreen-Version/MediaFrameQrProcessing/Wrappers/WordScanner.cs

@@ -20,7 +20,7 @@ public static class WordScanner
         /// <param name="resultCallback"></param>
         /// <param name="timeout"></param>
         /// <param name="requestWord"></param>
-        public static async void ScanFirstCameraForWords(Action<List<ActiDetectedWord>> resultCallback, TimeSpan timeout, string requestWord)
+        public static async Task ScanFirstCameraForWords(Action<List<ActiDetectedWord>> resultCallback, TimeSpan timeout, string requestWord)
         {
 
             List<ActiDetectedWord> result = null;
@@ -30,7 +30,8 @@ public static async void ScanFirstCameraForWords(Action<List<ActiDetectedWord>>
             // around I ended up with a crash in Windows.Media.dll related
             // to disposing of the MediaCapture.
             // So...this isn't what I wanted but it seems to work better :-(
-            if (m_FrameProcessor == null)
+            // We still need to update it case the word has changed, else it w
+            if (m_FrameProcessor == null || !requestWord.Equals(m_FrameProcessor.RequestWord))
             {
                 var mediaFrameSourceFinder = new MediaFrameSourceFinder();
 

FullScreen-Version/UnityProject/Assets/Constants.cs

@@ -2,22 +2,53 @@
 {
     using System;
     using UnityEngine;
-    class Constants
+    static class Constants
     {
-        public static Color PERFECT_MATCH_COLOR = Color.green;
-        public static Color APPROXIMATE_MATCH_COLOR = Color.yellow;
-        public static String VALIDATION_TEXT = "okay";
-        public static String STOP_TEXT = "stop";
-        public static String WILDCARD = "quarante deux";
-        public static String SEARCH_KEYWORD = "rechercher";
-        public static String QRCODE_KEYWORD = "traduire";
-        public static String SEARCHING_FOR_QR_CODES = "Recherche de QR codes en cours";
-        public static String HOME_PROMPT = string.Format("Donnez le mot à rechercher. \n Dites '{0}' pour annuler.", STOP_TEXT);
-        public static String LOOKING_FOR_WORD = "Recherche en cours pour le mot ";
-        public static String RESET_IN_PROGRESS = "Réinitialisation en cours";
-        public static String NO_QR_CODE_FOUND = "Aucun QR code trouvé, " + RESET_IN_PROGRESS;
-        public static Double TIMEOUT = 5;
-        public static Boolean DEBUG = true;
-        public static String ERROR_NO_RESULT_FOUND = "ERROR : 0 exact match(es) were found. 0 close match(es) were found for the word";
+        #region Critical Constants
+        public static readonly String WILDCARD_HEARD_TEXT = "42";
+        public static readonly String WILDCARD_TEXT = "quarante deux";
+        public static readonly String SEARCH_KEYWORD = "rechercher";
+        public static readonly String QRCODE_KEYWORD = "translate";
+        public static readonly String QUIT_KEYWORD = "quit";
+        public static readonly String VALIDATION_KEYWORD = "okay";
+        public static readonly String STOP_KEYWORD = "stop";
+        public static readonly Double TIMEOUT = 5;
+        public static readonly Boolean DEBUG = false;
+        #endregion
+
+        #region 
+        public static readonly String WEBCAM_HAS_INITIALIZED_SUCESSFULLY = "La webcam a été initialisée correctement.";
+        public static readonly Color32 PERFECT_MATCH_COLOR = Color.green;
+        public static readonly Color32 APPROXIMATE_MATCH_COLOR = Color.yellow;
+        public static readonly float DEBUG_PLANE_WIDTH = 0.04700003F;
+        public static readonly float DEBUG_PLANE_HEIGHT = 0.03750001F;
+        public static readonly String DEFAULT_VR_DEVICE_NAME = string.Empty;
+        public static readonly String DEFAULT_MICROPHONE_DEVICE_NAME = string.Empty;
+        public static readonly String IS_MICROPHONE_RECORDING = "Le Microphone " + (Microphone.IsRecording(DEFAULT_MICROPHONE_DEVICE_NAME) ? "est" : "n'est pas ") + " en train d'enregistrer.";
+        public static readonly String EXACT_MATCHES_WERE_FOUND = " occurence(s) exacte(s) ont été trouvée(s). \n ";
+        public static readonly String APPROXIMATE_MATCHES_WERE_FOUND = " occurence(s) proche(s) ont été trouvée(s). \n pour le mot : ";
+        public static readonly String RESULT_TEXT_RECOGNITION_SENTENCE = "{0}" + EXACT_MATCHES_WERE_FOUND + "{1}" + APPROXIMATE_MATCHES_WERE_FOUND + "'{2}'.";
+        public static readonly String THE_WORD_YOU_ARE_LOOKING_FOR_IS = "Le mot à rechercher est {0} \n {1}";
+        public static readonly String PLANE_MESH_NAME = "Plane";
+        public static readonly String CANVAS_MESH_NAME = "Canvas";
+        public static readonly String THE_QR_CODE_MEANS = "Le QR code représente : {0}\n Dites '" + STOP_KEYWORD + "' pour retourner au menu";
+        public static readonly String RESULT_BOX_NAME_PREFIX = "ResultBox";
+        public static readonly String RESULT_BOX_SHADER_NAME = "UI/Default Font";
+        public static readonly String LAMBERT_MATERIAL_LOCATION = "/HoloToolkit/Input/Models/Cursor/Materials/lambert1.mat";
+        public static readonly String TEXT_QUITTING_APPLICATION = "Arrêt de l'application";
+        public static readonly String FINAL_WORD_SEARCH_PROMPT = String.Format("dites '{1}' pour continuer. \n Dites '{0}' pour annuler", STOP_KEYWORD, VALIDATION_KEYWORD);
+        public static readonly String SEARCHING_FOR_QR_CODES = "Recherche de QR codes en cours";
+        public static readonly String SEARCH_PROMPT = string.Format("Donnez le mot à rechercher. \n Dites '{0}' pour annuler.", STOP_KEYWORD);
+        public static readonly String LOOKING_FOR_WORD = "Recherche en cours pour le mot '{0}'.";
+        public static readonly String RESET_IN_PROGRESS = "Réinitialisation en cours";
+        public static readonly String NO_QR_CODE_FOUND = "Aucun QR code trouvé, " + RESET_IN_PROGRESS;
+        public static readonly String HOME_PROMPT = string.Format("Dites '{0}' pour commencer \n ou '{1}' pour dechiffrer un QR code", SEARCH_KEYWORD, QRCODE_KEYWORD);
+        public static readonly String ERROR_DISPLAYING_RECTANGLES = "ERREUR : Erreur lors de l'affichage du/des rectangle(s). ";
+        public static readonly String ERROR_LOOKING_FOR_WORDS = "ERREUR : Erreur lors de la recherche de mots";
+        public static readonly String ERROR_COMPLETING_DICTATION = "ERREUR : La dictée ne s'est pas terminée correctement: {0}.";
+        public static readonly String ERROR_NO_INTERNET = "ERREUR : La reconnaissance vocale ne fonctionne pas sans internet.";
+        public static readonly String ERROR_IN_DICTATION = "ERREUR : La dictée a échoué : {0}; HResult = {1}.";
+        public static readonly String ERROR_NO_RESULT_FOUND = "ERREUR : aucune occurence exacte ni proche n'ont été trouvées."; 
+        #endregion
     }
 }

FullScreen-Version/UnityProject/Assets/DisplayWebcam.cs

@@ -5,20 +5,25 @@ namespace Assets
 
     public class DisplayWebcam : MonoBehaviour
     {
-        public static Renderer rend;
+        private static Renderer rend;
         public static WebCamTexture tex;
-
+        public static int WebcamHeightResolution;
+        public static int WebcamWidthResolution;
 
         // Use this for initialization
         public void Start()
         {
-            if (Constants.DEBUG)
-                DisplayWebcamPreview();
-            else
+            // We need to start the webcam in order to get a correct height.
+            // Else it would return a 16x16 resolution.
+            DisplayWebcamPreview();
+
+            // If not in debug mode do not display the webcam.
+            if (!Constants.DEBUG)
             {
-                rend = this.GetComponentInChildren<Renderer>();
                 rend.enabled = false;
+                tex.Stop();
             }
+            Debug.Log(Constants.WEBCAM_HAS_INITIALIZED_SUCESSFULLY);
         }
 
         private void DisplayWebcamPreview()
@@ -28,6 +33,8 @@ private void DisplayWebcamPreview()
             tex = new WebCamTexture(devices[0].name);
             rend.material.mainTexture = tex;
             tex.Play();
+            WebcamHeightResolution = tex.height;
+            WebcamWidthResolution = tex.width;
         }
     }
 }