Fixed problems with the UWP platform. ("empty" method)

Author: EnoxSoftware

Assets/HoloLensWithOpenCVForUnityExample/Scripts/HoloLensAnonymousFaceExample.cs

@@ -176,9 +176,12 @@ public void OnWebCamTextureToMatHelperInited ()
             grayMat = new Mat (webCamTextureMat.rows (), webCamTextureMat.cols (), CvType.CV_8UC1);
             regionCascade = new CascadeClassifier ();
             regionCascade.load (Utils.getFilePath ("lbpcascade_frontalface.xml"));
-            if (regionCascade.empty ()) {
-                Debug.LogError ("cascade file is not loaded.Please copy from “OpenCVForUnity/StreamingAssets/” to “Assets/StreamingAssets/” folder. ");
-            }
+
+            // "empty" method is not working on the UWP platform.
+//            if (regionCascade.empty ()) {
+//                Debug.LogError ("cascade file is not loaded.Please copy from “OpenCVForUnity/StreamingAssets/” to “Assets/StreamingAssets/” folder. ");
+//            }
+
             initThread ();
             #endif
         }
@@ -376,9 +379,11 @@ private void initThread ()
 
             cascade = new CascadeClassifier ();
             cascade.load(Utils.getFilePath ("haarcascade_frontalface_alt.xml"));
-            if (cascade.empty ()) {
-                Debug.LogError ("cascade file is not loaded.Please copy from “OpenCVForUnity/StreamingAssets/” to “Assets/StreamingAssets/” folder. ");
-            }
+
+            // "empty" method is not working on the UWP platform.
+//            if (cascade.empty ()) {
+//                Debug.LogError ("cascade file is not loaded.Please copy from “OpenCVForUnity/StreamingAssets/” to “Assets/StreamingAssets/” folder. ");
+//            }
 
             threadComm.shouldDetectInMultiThread = false;
 

Assets/HoloLensWithOpenCVForUnityExample/Scripts/HoloLensWebCamTextureAsyncDetectFaceExample.cs

@@ -193,9 +193,12 @@ public void OnWebCamTextureToMatHelperInited ()
             grayMat = new Mat (webCamTextureMat.rows (), webCamTextureMat.cols (), CvType.CV_8UC1);
             regionCascade = new CascadeClassifier ();
             regionCascade.load (Utils.getFilePath ("lbpcascade_frontalface.xml"));
-            if (regionCascade.empty ()) {
-                Debug.LogError ("cascade file is not loaded.Please copy from “OpenCVForUnity/StreamingAssets/” to “Assets/StreamingAssets/” folder. ");
-            }
+
+            // "empty" method is not working on the UWP platform.
+//            if (regionCascade.empty ()) {
+//                Debug.LogError ("cascade file is not loaded.Please copy from “OpenCVForUnity/StreamingAssets/” to “Assets/StreamingAssets/” folder. ");
+//            }
+
             initThread ();
             #endif
         }
@@ -379,9 +382,11 @@ private void initThread ()
 
             cascade = new CascadeClassifier ();
             cascade.load(Utils.getFilePath ("haarcascade_frontalface_alt.xml"));
-            if (cascade.empty ()) {
-                Debug.LogError ("cascade file is not loaded.Please copy from “OpenCVForUnity/StreamingAssets/” to “Assets/StreamingAssets/” folder. ");
-            }
+
+            // "empty" method is not working on the UWP platform.
+//            if (cascade.empty ()) {
+//                Debug.LogError ("cascade file is not loaded.Please copy from “OpenCVForUnity/StreamingAssets/” to “Assets/StreamingAssets/” folder. ");
+//            }
 
             threadComm.shouldDetectInMultiThread = false;
 

Assets/HoloLensWithOpenCVForUnityExample/Scripts/HoloLensWebCamTextureAsyncDetectFaceOverlayExample.cs

@@ -197,9 +197,12 @@ public void OnWebCamTextureToMatHelperInited ()
             grayMat = new Mat (webCamTextureMat.rows (), webCamTextureMat.cols (), CvType.CV_8UC1);
             regionCascade = new CascadeClassifier ();
             regionCascade.load (Utils.getFilePath ("lbpcascade_frontalface.xml"));
-            if (regionCascade.empty ()) {
-                Debug.LogError ("cascade file is not loaded.Please copy from “OpenCVForUnity/StreamingAssets/” to “Assets/StreamingAssets/” folder. ");
-            }
+
+            // "empty" method is not working on the UWP platform.
+//            if (regionCascade.empty ()) {
+//                Debug.LogError ("cascade file is not loaded.Please copy from “OpenCVForUnity/StreamingAssets/” to “Assets/StreamingAssets/” folder. ");
+//            }
+
             initThread ();
             #endif
         }
@@ -425,9 +428,11 @@ private void initThread ()
 
             cascade = new CascadeClassifier ();
             cascade.load(Utils.getFilePath ("haarcascade_frontalface_alt.xml"));
-            if (cascade.empty ()) {
-                Debug.LogError ("cascade file is not loaded.Please copy from “OpenCVForUnity/StreamingAssets/” to “Assets/StreamingAssets/” folder. ");
-            }
+
+            // "empty" method is not working on the UWP platform.
+//            if (cascade.empty ()) {
+//                Debug.LogError ("cascade file is not loaded.Please copy from “OpenCVForUnity/StreamingAssets/” to “Assets/StreamingAssets/” folder. ");
+//            }
 
             threadComm.shouldDetectInMultiThread = false;