consider hotspot of cursor for better loupe movement.

Plugins/uDesktopDuplication/uDesktopDuplication/Cursor.cpp

@@ -464,4 +464,16 @@ int Cursor::GetPitch() const
 int Cursor::GetType() const
 {
     return shapeInfo_.Type;
+}
+
+
+int Cursor::GetHotSpotX() const 
+{ 
+    return shapeInfo_.HotSpot.x;
+}
+
+
+int Cursor::GetHotSpotY() const 
+{ 
+    return shapeInfo_.HotSpot.y;
 }

Plugins/uDesktopDuplication/uDesktopDuplication/Cursor.h

@@ -30,6 +30,8 @@ public:
     int GetHeight() const;
     int GetPitch() const;
     int GetType() const;
+    int GetHotSpotX() const;
+    int GetHotSpotY() const;
 
 private:
     bool isVisible_ = false;

Plugins/uDesktopDuplication/uDesktopDuplication/main.cpp

@@ -340,6 +340,18 @@ extern "C"
         return g_manager->GetCursor()->GetType();
     }
 
+    UNITY_INTERFACE_EXPORT int UNITY_INTERFACE_API GetCursorHotSpotX()
+    {
+        if (!g_manager) return -1;
+        return g_manager->GetCursor()->GetHotSpotX();
+    }
+
+    UNITY_INTERFACE_EXPORT int UNITY_INTERFACE_API GetCursorHotSpotY()
+    {
+        if (!g_manager) return -1;
+        return g_manager->GetCursor()->GetHotSpotY();
+    }
+
     UNITY_INTERFACE_EXPORT void UNITY_INTERFACE_API GetCursorTexture(ID3D11Texture2D* texture)
     {
         if (!g_manager) return;