update samples: waitKey() usage

Original commit is a5f19f7dd6ae5bc93f73e0417a9e0bfd34c01672
2016-08-12 15:11:30 +02:00
parent 4e7b521438
commit 6d34d6b47e
76 changed files with 142 additions and 154 deletions
@@ -40,9 +40,9 @@ int main( int, char** argv )
  for(;;)
  {
    /// Each 1 sec. Press ESC to exit the program
-    int c = waitKey( 1000 );
+    char c = (char)waitKey( 1000 );

-    if( (char)c == 27 )
+    if( c == 27 )
      { break; }

    /// Update map_x & map_y. Then apply remap