Easy Tracker: Fix #945 trivial warnings.

Also fixing broken build.

4 files changed, 12 insertions, 8 deletions

diff --git a/tracker-easy/point-extractor.cpp b/tracker-easy/point-extractor.cpp
index 4b54fd25..34d93b52 100644
--- a/tracker-easy/point-extractor.cpp
+++ b/tracker-easy/point-extractor.cpp
@@ -143,7 +143,7 @@ namespace EasyTracker
         while (aPoints.size() > aNeededPointCount) // Until we have no more than three points
         {
             int maxY = 0;
-            unsigned index = (unsigned)-1;
+            size_t index = std::numeric_limits<size_t>::max();
 
             // Search for the point with highest Y coordinate
             for (size_t i = 0; i < aPoints.size(); i++)
@@ -154,9 +154,13 @@ namespace EasyTracker
                     index = i;
                 }
             }
-
-            // Discard it
-            aPoints.erase(aPoints.begin() + index);
+            
+            if (index < aPoints.size()) // Defensive
+            {
+                // Discard it
+                aPoints.erase(aPoints.begin() + index);
+            }
+            
         }
     }
 
diff --git a/tracker-easy/preview.cpp b/tracker-easy/preview.cpp
index 198f838b..1dad7d84 100644
--- a/tracker-easy/preview.cpp
+++ b/tracker-easy/preview.cpp
@@ -72,7 +72,7 @@ namespace EasyTracker
 
     QImage Preview::get_bitmap()
     {
-        int stride = iFrameWidget.step.p[0];
+        size_t stride = iFrameWidget.step.p[0];
 
         if (stride < 64 || stride < iFrameWidget.cols * 4)
         {
@@ -96,7 +96,7 @@ namespace EasyTracker
 
         return QImage((const unsigned char*)iFrameWidget.data,
             iFrameWidget.cols, iFrameWidget.rows,
-            stride,
+            (int)stride,
             QImage::Format_ARGB32);
     }
 
diff --git a/tracker-easy/tracker-easy.cpp b/tracker-easy/tracker-easy.cpp
index 614eb55c..23e68397 100644
--- a/tracker-easy/tracker-easy.cpp
+++ b/tracker-easy/tracker-easy.cpp
@@ -353,7 +353,7 @@ namespace EasyTracker
         // If we are ever going to support color buffer we will need another implementation.
         if (iFrame.channels == 1)
         {            
-            iPointExtractor.ExtractPoints(iMatFrame, (doPreview ? &iPreview.iFrameRgb : nullptr), iModel.size(), iPoints);
+            iPointExtractor.ExtractPoints(iMatFrame, (doPreview ? &iPreview.iFrameRgb : nullptr), (int)iModel.size(), iPoints);
         }
         
 
diff --git a/tracker-easy/tracker-easy.h b/tracker-easy/tracker-easy.h
index 952f05a4..a0478afc 100644
--- a/tracker-easy/tracker-easy.h
+++ b/tracker-easy/tracker-easy.h
@@ -81,7 +81,7 @@ namespace EasyTracker
         
         //
 
-        bool maybe_reopen_camera();
+        bool CheckCamera();
         void set_fov(int value);
         void SetFps(int aFps);
         void DoSetFps(int aFps);