Update documentation ( tutorials )

samples/cpp/tutorial_code/ImgProc/Threshold.cpp

@@ -32,29 +32,30 @@ void Threshold_Demo( int, void* );
  */
 int main( int, char** argv )
 {
-  /// Load an image
-  src = imread( argv[1], IMREAD_COLOR );
+  //! [load]
+  src = imread( argv[1], IMREAD_COLOR ); // Load an image
 
   if( src.empty() )
     { return -1; }
 
-  /// Convert the image to Gray
-  cvtColor( src, src_gray, COLOR_BGR2GRAY );
+  cvtColor( src, src_gray, COLOR_BGR2GRAY ); // Convert the image to Gray
+  //! [load]
 
-  /// Create a window to display results
-  namedWindow( window_name, WINDOW_AUTOSIZE );
+  //! [window]
+  namedWindow( window_name, WINDOW_AUTOSIZE ); // Create a window to display results
+  //! [window]
 
-  /// Create Trackbar to choose type of Threshold
+  //! [trackbar]
   createTrackbar( trackbar_type,
                   window_name, &threshold_type,
-                  max_type, Threshold_Demo );
+                  max_type, Threshold_Demo ); // Create Trackbar to choose type of Threshold
 
   createTrackbar( trackbar_value,
                   window_name, &threshold_value,
-                  max_value, Threshold_Demo );
+                  max_value, Threshold_Demo ); // Create Trackbar to choose Threshold value
+  //! [trackbar]
 
-  /// Call the function to initialize
-  Threshold_Demo( 0, 0 );
+  Threshold_Demo( 0, 0 ); // Call the function to initialize
 
   /// Wait until user finishes program
   for(;;)
@@ -67,7 +68,7 @@ int main( int, char** argv )
 
 }
 
-
+//![Threshold_Demo]
 /**
  * @function Threshold_Demo
  */
@@ -84,3 +85,4 @@ void Threshold_Demo( int, void* )
 
   imshow( window_name, dst );
 }
+//![Threshold_Demo]