v1.0.9 update OpenCVForUnity version to 2.6.4.

Author: EnoxSoftware

HoloLensWithOpenCVForUnityExampleMRTK2/Assets/HoloLensWithOpenCVForUnityExample.meta renamed to HLWithOpenCVExampleMRTK2/Assets/HoloLensWithOpenCVForUnityExample.meta

@@ -22,7 +22,7 @@ namespace HoloLensWithOpenCVForUnityExample
     /// An example of marker based AR using OpenCVForUnity on Hololens.
     /// Referring to https://github.com/opencv/opencv_contrib/blob/master/modules/aruco/samples/detect_markers.cpp.
     /// </summary>
-    [RequireComponent(typeof(HLCameraStreamToMatHelper), typeof(ImageOptimizationHelper))]
+    [RequireComponent(typeof(HLCameraStream2MatHelper), typeof(ImageOptimizationHelper))]
     public class HLArUcoExample : MonoBehaviour
     {
         [HeaderAttribute("Preview")]
@@ -149,7 +149,7 @@ public class HLArUcoExample : MonoBehaviour
         /// <summary>
         /// The webcam texture to mat helper.
         /// </summary>
-        HLCameraStreamToMatHelper webCamTextureToMatHelper;
+        HLCameraStream2MatHelper webCamTextureToMatHelper;
 
         /// <summary>
         /// The image optimization helper.
@@ -253,11 +253,11 @@ protected void Start()
             enableLerpFilterToggle.isOn = enableLerpFilter;
 
             imageOptimizationHelper = gameObject.GetComponent<ImageOptimizationHelper>();
-            webCamTextureToMatHelper = gameObject.GetComponent<HLCameraStreamToMatHelper>();
+            webCamTextureToMatHelper = gameObject.GetComponent<HLCameraStream2MatHelper>();
 #if WINDOWS_UWP && !DISABLE_HOLOLENSCAMSTREAM_API
             webCamTextureToMatHelper.frameMatAcquired += OnFrameMatAcquired;
 #endif
-            webCamTextureToMatHelper.outputColorFormat = WebCamTextureToMatHelper.ColorFormat.GRAY;
+            webCamTextureToMatHelper.outputColorFormat = Source2MatHelperColorFormat.GRAY;
             webCamTextureToMatHelper.Initialize();
         }
 
@@ -506,12 +506,13 @@ public void OnWebCamTextureToMatHelperDisposed()
         }
 
         /// <summary>
-        /// Raises the web cam texture to mat helper error occurred event.
+        /// Raises the webcam texture to mat helper error occurred event.
         /// </summary>
         /// <param name="errorCode">Error code.</param>
-        public void OnWebCamTextureToMatHelperErrorOccurred(WebCamTextureToMatHelper.ErrorCode errorCode)
+        /// <param name="message">Message.</param>
+        public void OnWebCamTextureToMatHelperErrorOccurred(Source2MatHelperErrorCode errorCode, string message)
         {
-            Debug.Log("OnWebCamTextureToMatHelperErrorOccurred " + errorCode);
+            Debug.Log("OnWebCamTextureToMatHelperErrorOccurred " + errorCode + ":" + message);
         }
 
 #if WINDOWS_UWP && !DISABLE_HOLOLENSCAMSTREAM_API

HoloLensWithOpenCVForUnityExampleMRTK2/Assets/HoloLensWithOpenCVForUnityExample/HLArUcoExample.meta renamed to HLWithOpenCVExampleMRTK2/Assets/HoloLensWithOpenCVForUnityExample/HLArUcoExample.meta

@@ -13,12 +13,12 @@
 namespace HoloLensWithOpenCVForUnityExample
 {
     /// <summary>
-    /// HLCameraStreamToMatHelper Example
+    /// HLCameraStream2MatHelper Example
     /// An example of image processing (comic filter) using OpenCVForUnity on Hololens.
     /// Referring to http://dev.classmethod.jp/smartphone/opencv-manga-2/.
     /// </summary>
-    [RequireComponent(typeof(HLCameraStreamToMatHelper))]
-    public class HLCameraStreamToMatHelperExample : MonoBehaviour
+    [RequireComponent(typeof(HLCameraStream2MatHelper))]
+    public class HLCameraStream2MatHelperExample : MonoBehaviour
     {
         /// <summary>
         /// The rotate 90 degree toggle.
@@ -73,7 +73,7 @@ public class HLCameraStreamToMatHelperExample : MonoBehaviour
         /// <summary>
         /// The web cam texture to mat helper.
         /// </summary>
-        HLCameraStreamToMatHelper webCamTextureToMatHelper;
+        HLCameraStream2MatHelper webCamTextureToMatHelper;
 
         readonly static Queue<Action> ExecuteOnMainThread = new Queue<Action>();
 
@@ -89,11 +89,11 @@ public class HLCameraStreamToMatHelperExample : MonoBehaviour
         // Use this for initialization
         protected void Start()
         {
-            webCamTextureToMatHelper = gameObject.GetComponent<HLCameraStreamToMatHelper>();
+            webCamTextureToMatHelper = gameObject.GetComponent<HLCameraStream2MatHelper>();
 #if WINDOWS_UWP && !DISABLE_HOLOLENSCAMSTREAM_API
             webCamTextureToMatHelper.frameMatAcquired += OnFrameMatAcquired;
 #endif
-            webCamTextureToMatHelper.outputColorFormat = WebCamTextureToMatHelper.ColorFormat.BGRA;
+            webCamTextureToMatHelper.outputColorFormat = Source2MatHelperColorFormat.BGRA;
             webCamTextureToMatHelper.Initialize();
 
             // Update GUI state
@@ -184,12 +184,13 @@ public void OnWebCamTextureToMatHelperDisposed()
         }
 
         /// <summary>
-        /// Raises the web cam texture to mat helper error occurred event.
+        /// Raises the webcam texture to mat helper error occurred event.
         /// </summary>
         /// <param name="errorCode">Error code.</param>
-        public void OnWebCamTextureToMatHelperErrorOccurred(WebCamTextureToMatHelper.ErrorCode errorCode)
+        /// <param name="message">Message.</param>
+        public void OnWebCamTextureToMatHelperErrorOccurred(Source2MatHelperErrorCode errorCode, string message)
         {
-            Debug.Log("OnWebCamTextureToMatHelperErrorOccurred " + errorCode);
+            Debug.Log("OnWebCamTextureToMatHelperErrorOccurred " + errorCode + ":" + message);
         }
 
 #if WINDOWS_UWP && !DISABLE_HOLOLENSCAMSTREAM_API
@@ -278,8 +279,8 @@ void Update()
 
                 DebugUtils.TrackTick();
 
-                // For BGRA or BGR format, use the fastMatToTexture2D method.
-                Utils.fastMatToTexture2D(bgraMat, texture);
+                // For BGRA or BGR format, use the matToTexture2DRaw method.
+                Utils.matToTexture2DRaw(bgraMat, texture);
             }
 
             if (webCamTextureToMatHelper.IsPlaying())

HoloLensWithOpenCVForUnityExampleMRTK2/Assets/HoloLensWithOpenCVForUnityExample/HLArUcoExample/CameraParameters.cs renamed to HLWithOpenCVExampleMRTK2/Assets/HoloLensWithOpenCVForUnityExample/HLArUcoExample/CameraParameters.cs

@@ -21,7 +21,7 @@ namespace HoloLensWithOpenCVForUnityExample
     /// An example of detecting face using OpenCVForUnity on Hololens.
     /// Referring to https://github.com/Itseez/opencv/blob/master/modules/objdetect/src/detection_based_tracker.cpp.
     /// </summary>
-    [RequireComponent(typeof(HLCameraStreamToMatHelper), typeof(ImageOptimizationHelper))]
+    [RequireComponent(typeof(HLCameraStream2MatHelper), typeof(ImageOptimizationHelper))]
     public class HLFaceDetectionExample : MonoBehaviour
     {
         /// <summary>
@@ -67,7 +67,7 @@ public class HLFaceDetectionExample : MonoBehaviour
         /// <summary>
         /// The webcam texture to mat helper.
         /// </summary>
-        HLCameraStreamToMatHelper webCamTextureToMatHelper;
+        HLCameraStream2MatHelper webCamTextureToMatHelper;
 
         /// <summary>
         /// The image optimization helper.
@@ -177,22 +177,72 @@ bool isDetectingInFrameArrivedThread
         public Text debugStr;
 
 
+        string cascade_filepath;
+        string cascade4Thread_filepath;
+
+        /// <summary>
+        /// The CancellationTokenSource.
+        /// </summary>
+        CancellationTokenSource cts = new CancellationTokenSource();
+
         // Use this for initialization
-        protected void Start()
+        async void Start()
         {
             enableDownScaleToggle.isOn = enableDownScale;
             useSeparateDetectionToggle.isOn = useSeparateDetection;
             displayCameraImageToggle.isOn = displayCameraImage;
 
             imageOptimizationHelper = gameObject.GetComponent<ImageOptimizationHelper>();
-            webCamTextureToMatHelper = gameObject.GetComponent<HLCameraStreamToMatHelper>();
+            webCamTextureToMatHelper = gameObject.GetComponent<HLCameraStream2MatHelper>();
 #if WINDOWS_UWP && !DISABLE_HOLOLENSCAMSTREAM_API
             webCamTextureToMatHelper.frameMatAcquired += OnFrameMatAcquired;
 #endif
-            webCamTextureToMatHelper.outputColorFormat = WebCamTextureToMatHelper.ColorFormat.GRAY;
-            webCamTextureToMatHelper.Initialize();
 
             rectangleTracker = new RectangleTracker();
+
+            // Asynchronously retrieves the readable file path from the StreamingAssets directory.
+            if (debugStr != null)
+            {
+                debugStr.text = "Preparing file access...";
+            }
+
+            cascade_filepath = await Utils.getFilePathAsyncTask("OpenCVForUnity/objdetect/lbpcascade_frontalface.xml", cancellationToken: cts.Token);
+            //cascade4Thread_filepath = await Utils.getFilePathAsyncTask("OpenCVForUnity/objdetect/haarcascade_frontalface_alt.xml", cancellationToken: cts.Token);
+            cascade4Thread_filepath = await Utils.getFilePathAsyncTask("OpenCVForUnity/objdetect/lbpcascade_frontalface.xml", cancellationToken: cts.Token);
+
+            if (debugStr != null)
+            {
+                debugStr.text = "";
+            }
+
+            Run();
+        }
+
+        // Use this for initialization
+        void Run()
+        {
+            cascade = new CascadeClassifier();
+            cascade.load(cascade_filepath);
+#if !WINDOWS_UWP || UNITY_EDITOR
+            // "empty" method is not working on the UWP platform.
+            if (cascade.empty())
+            {
+                Debug.LogError("cascade file is not loaded. Please copy from “OpenCVForUnity/StreamingAssets/OpenCVForUnity/objdetect/” to “Assets/StreamingAssets/OpenCVForUnity/objdetect/” folder. ");
+            }
+#endif
+
+            cascade4Thread = new CascadeClassifier();
+            cascade4Thread.load(cascade4Thread_filepath);
+#if !WINDOWS_UWP || UNITY_EDITOR
+            // "empty" method is not working on the UWP platform.
+            if (cascade4Thread.empty())
+            {
+                Debug.LogError("cascade file is not loaded. Please copy from “OpenCVForUnity/StreamingAssets/OpenCVForUnity/objdetect/” to “Assets/StreamingAssets/OpenCVForUnity/objdetect/” folder. ");
+            }
+#endif
+
+            webCamTextureToMatHelper.outputColorFormat = Source2MatHelperColorFormat.GRAY;
+            webCamTextureToMatHelper.Initialize();
         }
 
         /// <summary>
@@ -248,28 +298,7 @@ public void OnWebCamTextureToMatHelperInitialized()
 
             quad_renderer.sharedMaterial.SetFloat("_VignetteScale", 0.0f);
 
-
-            cascade = new CascadeClassifier();
-            cascade.load(Utils.getFilePath("OpenCVForUnity/objdetect/lbpcascade_frontalface.xml"));
-#if !WINDOWS_UWP || UNITY_EDITOR
-            // "empty" method is not working on the UWP platform.
-            if (cascade.empty())
-            {
-                Debug.LogError("cascade file is not loaded. Please copy from “OpenCVForUnity/StreamingAssets/OpenCVForUnity/objdetect/” to “Assets/StreamingAssets/OpenCVForUnity/objdetect/” folder. ");
-            }
-#endif
-
             grayMat4Thread = new Mat();
-            cascade4Thread = new CascadeClassifier();
-            //cascade4Thread.load(Utils.getFilePath("OpenCVForUnity/objdetect/haarcascade_frontalface_alt.xml"));
-            cascade4Thread.load(Utils.getFilePath("OpenCVForUnity/objdetect/lbpcascade_frontalface.xml"));
-#if !WINDOWS_UWP || UNITY_EDITOR
-            // "empty" method is not working on the UWP platform.
-            if (cascade4Thread.empty())
-            {
-                Debug.LogError("cascade file is not loaded. Please copy from “OpenCVForUnity/StreamingAssets/OpenCVForUnity/objdetect/” to “Assets/StreamingAssets/OpenCVForUnity/objdetect/” folder. ");
-            }
-#endif
         }
 
         /// <summary>
@@ -295,15 +324,9 @@ public void OnWebCamTextureToMatHelperDisposed()
             hasUpdatedDetectionResult = false;
             isDetecting = false;
 
-            if (cascade != null)
-                cascade.Dispose();
-
             if (grayMat4Thread != null)
                 grayMat4Thread.Dispose();
 
-            if (cascade4Thread != null)
-                cascade4Thread.Dispose();
-
             rectangleTracker.Reset();
 
             if (debugStr != null)
@@ -314,12 +337,13 @@ public void OnWebCamTextureToMatHelperDisposed()
         }
 
         /// <summary>
-        /// Raises the web cam texture to mat helper error occurred event.
+        /// Raises the webcam texture to mat helper error occurred event.
         /// </summary>
         /// <param name="errorCode">Error code.</param>
-        public void OnWebCamTextureToMatHelperErrorOccurred(WebCamTextureToMatHelper.ErrorCode errorCode)
+        /// <param name="message">Message.</param>
+        public void OnWebCamTextureToMatHelperErrorOccurred(Source2MatHelperErrorCode errorCode, string message)
         {
-            Debug.Log("OnWebCamTextureToMatHelperErrorOccurred " + errorCode);
+            Debug.Log("OnWebCamTextureToMatHelperErrorOccurred " + errorCode + ":" + message);
         }
 
 #if WINDOWS_UWP && !DISABLE_HOLOLENSCAMSTREAM_API
@@ -795,6 +819,15 @@ void OnDestroy()
 
             if (rectangleTracker != null)
                 rectangleTracker.Dispose();
+
+            if (cascade != null)
+                cascade.Dispose();
+
+            if (cascade4Thread != null)
+                cascade4Thread.Dispose();
+
+            if (cts != null)
+                cts.Dispose();
         }
 
         /// <summary>

HoloLensWithOpenCVForUnityExampleMRTK2/Assets/HoloLensWithOpenCVForUnityExample/HLArUcoExample/CameraParameters.cs.meta renamed to HLWithOpenCVExampleMRTK2/Assets/HoloLensWithOpenCVForUnityExample/HLArUcoExample/CameraParameters.cs.meta

@@ -9,6 +9,7 @@
 using Microsoft.MixedReality.Toolkit.Input;
 using System.Collections;
 using System.Linq;
+using System.Threading;
 
 #if UNITY_2018_2_OR_NEWER
 using UnityEngine.Windows.WebCam;
@@ -41,12 +42,31 @@ public class HLPhotoCaptureExample : MonoBehaviour
         private CascadeClassifier cascade;
         private MatOfRect faces;
 
-        private IEnumerator Start()
+        /// <summary>
+        /// The CancellationTokenSource.
+        /// </summary>
+        CancellationTokenSource cts = new CancellationTokenSource();
+
+        // Use this for initialization
+        async void Start()
         {
             faces = new MatOfRect();
 
+            // Asynchronously retrieves the readable file path from the StreamingAssets directory.
+            if (text != null)
+            {
+                text.text = "Preparing file access...";
+            }
+
+            string cascade_filepath = await Utils.getFilePathAsyncTask("OpenCVForUnity/objdetect/haarcascade_frontalface_alt.xml", cancellationToken: cts.Token);
+
+            if (text != null)
+            {
+                text.text = "";
+            }
+
             cascade = new CascadeClassifier();
-            cascade.load(Utils.getFilePath("OpenCVForUnity/objdetect/haarcascade_frontalface_alt.xml"));
+            cascade.load(cascade_filepath);
 
 
             var resolutions = PhotoCapture.SupportedResolutions;
@@ -56,7 +76,7 @@ private IEnumerator Start()
                 {
                     text.text = "Resolutions not available. Did you provide web cam access?";
                 }
-                yield return null;
+                return;
             }
 
             cameraResolution = resolutions.OrderByDescending((res) => res.width * res.height).First();
@@ -84,6 +104,9 @@ private void OnDestroy()
 
             if (cascade != null)
                 cascade.Dispose();
+
+            if (cts != null)
+                cts.Dispose();
         }
 
         private void OnPhotoCaptureCreated(PhotoCapture captureObject)
@@ -174,8 +197,8 @@ private void OnPhotoCaptured(PhotoCapture.PhotoCaptureResult result, PhotoCaptur
                 Mat bgraMat = new Mat(targetTexture.height, targetTexture.width, CvType.CV_8UC4);
                 Mat grayMat = new Mat(bgraMat.rows(), bgraMat.cols(), CvType.CV_8UC1);
 
-                // For BGRA or BGR format, use the fastTexture2DToMat method.
-                Utils.fastTexture2DToMat(targetTexture, bgraMat);
+                // For BGRA or BGR format, use the texture2DToMatRaw method.
+                Utils.texture2DToMatRaw(targetTexture, bgraMat);
 
                 Imgproc.cvtColor(bgraMat, grayMat, Imgproc.COLOR_BGRA2GRAY);
                 Imgproc.equalizeHist(grayMat, grayMat);
@@ -196,8 +219,8 @@ private void OnPhotoCaptured(PhotoCapture.PhotoCaptureResult result, PhotoCaptur
 
                 Imgproc.putText(bgraMat, targetTexture.format + " W:" + bgraMat.width() + " H:" + bgraMat.height(), new Point(5, bgraMat.rows() - 10), Imgproc.FONT_HERSHEY_SIMPLEX, 1.5, new Scalar(255, 0, 0, 255), 2, Imgproc.LINE_AA, false);
 
-                // For BGRA or BGR format, use the fastMatToTexture2D method.
-                Utils.fastMatToTexture2D(bgraMat, targetTexture);
+                // For BGRA or BGR format, use the matToTexture2DRaw method.
+                Utils.matToTexture2DRaw(bgraMat, targetTexture);
                 bgraMat.Dispose();
                 grayMat.Dispose();
 

HoloLensWithOpenCVForUnityExampleMRTK2/Assets/HoloLensWithOpenCVForUnityExample/HLArUcoExample/HLArUcoExample.cs renamed to HLWithOpenCVExampleMRTK2/Assets/HoloLensWithOpenCVForUnityExample/HLArUcoExample/HLArUcoExample.cs

@@ -88,9 +88,9 @@ public void OnHLPhotoCaptureExampleButtonClick()
             SceneManager.LoadScene("HLPhotoCaptureExample");
         }
 
-        public void OnHLCameraStreamToMatHelperExampleButtonClick()
+        public void OnHLCameraStream2MatHelperExampleButtonClick()
         {
-            SceneManager.LoadScene("HLCameraStreamToMatHelperExample");
+            SceneManager.LoadScene("HLCameraStream2MatHelperExample");
         }
 
         public void OnHLFaceDetectionExampleButtonClick()