Normalize line endings and whitespace

samples/cpp/tutorial_code/HighGUI/BasicLinearTransformsTrackbar.cpp

@@ -25,16 +25,16 @@ Mat new_image;
  * @brief Called whenever any of alpha or beta changes
  */
 void on_trackbar( int, void* )
-{  
+{
    Mat new_image = Mat::zeros( image.size(), image.type() );
 
    for( int y = 0; y < image.rows; y++ )
       { for( int x = 0; x < image.cols; x++ )
            { for( int c = 0; c < 3; c++ )
                 {
-		  new_image.at<Vec3b>(y,x)[c] = saturate_cast<uchar>( alpha*( image.at<Vec3b>(y,x)[c] ) + beta );
+          new_image.at<Vec3b>(y,x)[c] = saturate_cast<uchar>( alpha*( image.at<Vec3b>(y,x)[c] ) + beta );
                 }
-	   }
+       }
       }
    imshow("New Image", new_image);
 }
@@ -42,14 +42,14 @@ void on_trackbar( int, void* )
 
 /**
  * @function main
- * @brief Main function 
+ * @brief Main function
  */
 int main( int argc, char** argv )
 {
    /// Read image given by user
    image = imread( argv[1] );
 
-   /// Initialize values 
+   /// Initialize values
    alpha = 1;
    beta = 0;
 
@@ -59,12 +59,12 @@ int main( int argc, char** argv )
 
    /// Create Trackbars
    createTrackbar( "Contrast Trackbar", "New Image", &alpha, alpha_max, on_trackbar );
-   createTrackbar( "Brightness Trackbar", "New Image", &beta, beta_max, on_trackbar );   
+   createTrackbar( "Brightness Trackbar", "New Image", &beta, beta_max, on_trackbar );
 
    /// Show some stuff
    imshow("Original Image", image);
    imshow("New Image", image);
-   
+
    /// Wait until user press some key
    waitKey();
    return 0;