Added example of accessing individual pixels

daben · Dec 9, 2014 · bb673f4 · bb673f4
1 parent ca68fc8
commit bb673f4
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/examples/image_ex.cpp b/examples/image_ex.cpp
@@ -86,6 +86,13 @@ int main(int argc, char** argv)
         // terminate.
         win_hot.wait_until_closed();
         my_window2.wait_until_closed();
+
+
+        // Finally, note that you can access the elements of an image using the normal [row][column]
+        // operator like so:
+        cout << horz_gradient[0][3] << endl;
+        cout << "number of rows in image:    " << horz_gradient.nr() << endl;
+        cout << "number of columns in image: " << horz_gradient.nc() << endl;
     }
     catch (exception& e)
     {