Revision history [back]

Track bar OS X don't show numbers;

source code image description

Plz helppppp....

Track bar OS X don't show numbers;

source code char TrackbarName[50]; /sprintf( TrackbarName, "H_MIN", H_MIN); sprintf( TrackbarName, "H_MAX", H_MAX); sprintf( TrackbarName, "S_MIN", S_MIN); sprintf( TrackbarName, "S_MAX", S_MAX); sprintf( TrackbarName, "V_MIN", V_MIN); sprintf( TrackbarName, "V_MAX", V_MAX);/ sprintf( TrackbarName, "H_MIN", H_MIN); sprintf( TrackbarName, "H_MAX", H_MAX); sprintf( TrackbarName, "S_MIN", S_MIN); sprintf( TrackbarName, "S_MAX", S_MAX); sprintf( TrackbarName, "V_MIN", V_MIN); sprintf( TrackbarName, "V_MAX", V_MAX); //create trackbars and insert them into window //3 parameters are: the address of the variable that is changing when the trackbar is moved(eg.H_LOW), //the max value the trackbar can move (eg. H_HIGH), //and the function that is called whenever the trackbar is moved(eg. on_trackbar) // ----> ----> ---->
createTrackbar( "V_MAX", trackbarWindowName, &V_MAX, V_MAX, on_trackbar ); createTrackbar( "H_MAX", trackbarWindowName, &H_MAX, H_MAX, on_trackbar ); createTrackbar( "S_MAX", trackbarWindowName, &S_MAX, S_MAX, on_trackbar ); createTrackbar( "V_MIN", trackbarWindowName, &V_MIN, V_MAX, on_trackbar ); createTrackbar( "H_MIN", trackbarWindowName, &H_MIN, H_MAX, on_trackbar ); createTrackbar( "S_MIN", trackbarWindowName, &S_MIN, S_MAX, on_trackbar );

Plz helppppp....

Track bar OS X don't show numbers;

It looks like this! image description

source ~~code~~ code

char TrackbarName[50];
    /sprintf( /*sprintf( TrackbarName, "H_MIN", H_MIN);
 sprintf( TrackbarName, "H_MAX", H_MAX);
 sprintf( TrackbarName, "S_MIN", S_MIN);
 sprintf( TrackbarName, "S_MAX", S_MAX);
 sprintf( TrackbarName, "V_MIN", V_MIN);
 sprintf( TrackbarName, "V_MAX", V_MAX);/
    V_MAX);*/
sprintf( TrackbarName, "H_MIN", H_MIN);
 sprintf( TrackbarName, "H_MAX", H_MAX);
 sprintf( TrackbarName, "S_MIN", S_MIN);
 sprintf( TrackbarName, "S_MAX", S_MAX);
 sprintf( TrackbarName, "V_MIN", V_MIN);
 sprintf( TrackbarName, "V_MAX", V_MAX);
 //create trackbars and insert them into window
 //3 parameters are: the address of the variable that is changing when the trackbar is moved(eg.H_LOW),
 //the max value the trackbar can move (eg. H_HIGH), 
 //and the function that is called whenever the trackbar is moved(eg. on_trackbar)
 //                                  ---->    ---->     ----> 
  createTrackbar( "V_MAX", trackbarWindowName, &V_MAX, V_MAX, on_trackbar );
 createTrackbar( "H_MAX", trackbarWindowName, &H_MAX, H_MAX, on_trackbar );
 createTrackbar( "S_MAX", trackbarWindowName, &S_MAX, S_MAX, on_trackbar );
 createTrackbar( "V_MIN", trackbarWindowName, &V_MIN, V_MAX, on_trackbar );
 createTrackbar( "H_MIN", trackbarWindowName, &H_MIN, H_MAX, on_trackbar );
 createTrackbar( "S_MIN", trackbarWindowName, &S_MIN, S_MAX, on_trackbar ););

Plz helppppp....

Track bar OS X don't show numbers;

It looks like this! ~~image description~~

source code

char TrackbarName[50];
/*sprintf( TrackbarName, "H_MIN", H_MIN);
sprintf( TrackbarName, "H_MAX", H_MAX);
sprintf( TrackbarName, "S_MIN", S_MIN);
sprintf( TrackbarName, "S_MAX", S_MAX);
sprintf( TrackbarName, "V_MIN", V_MIN);
sprintf( TrackbarName, "V_MAX", V_MAX);*/
sprintf( TrackbarName, "H_MIN", H_MIN);
sprintf( TrackbarName, "H_MAX", H_MAX);
sprintf( TrackbarName, "S_MIN", S_MIN);
sprintf( TrackbarName, "S_MAX", S_MAX);
sprintf( TrackbarName, "V_MIN", V_MIN);
sprintf( TrackbarName, "V_MAX", V_MAX);
//create trackbars and insert them into window
//3 parameters are: the address of the variable that is changing when the trackbar is moved(eg.H_LOW),
//the max value the trackbar can move (eg. H_HIGH), 
//and the function that is called whenever the trackbar is moved(eg. on_trackbar)
//                                  ---->    ---->     ---->      
createTrackbar( "V_MAX", trackbarWindowName, &V_MAX, V_MAX, on_trackbar );
createTrackbar( "H_MAX", trackbarWindowName, &H_MAX, H_MAX, on_trackbar );
createTrackbar( "S_MAX", trackbarWindowName, &S_MAX, S_MAX, on_trackbar );
createTrackbar( "V_MIN", trackbarWindowName, &V_MIN, V_MAX, on_trackbar );
createTrackbar( "H_MIN", trackbarWindowName, &H_MIN, H_MAX, on_trackbar );
createTrackbar( "S_MIN", trackbarWindowName, &S_MIN, S_MAX, on_trackbar );

Plz helppppp....

Track bar OS X don't show numbers;

It doesn't show the numbers.

It looks like this! image description

source code

char TrackbarName[50];
/*sprintf( TrackbarName, "H_MIN", H_MIN);
sprintf( TrackbarName, "H_MAX", H_MAX);
sprintf( TrackbarName, "S_MIN", S_MIN);
sprintf( TrackbarName, "S_MAX", S_MAX);
sprintf( TrackbarName, "V_MIN", V_MIN);
sprintf( TrackbarName, "V_MAX", V_MAX);*/
sprintf( TrackbarName, "H_MIN", H_MIN);
sprintf( TrackbarName, "H_MAX", H_MAX);
sprintf( TrackbarName, "S_MIN", S_MIN);
sprintf( TrackbarName, "S_MAX", S_MAX);
sprintf( TrackbarName, "V_MIN", V_MIN);
sprintf( TrackbarName, "V_MAX", V_MAX);
//create trackbars and insert them into window
//3 parameters are: the address of the variable that is changing when the trackbar is moved(eg.H_LOW),
//the max value the trackbar can move (eg. H_HIGH), 
//and the function that is called whenever the trackbar is moved(eg. on_trackbar)
//                                  ---->    ---->     ---->      
createTrackbar( "V_MAX", trackbarWindowName, &V_MAX, V_MAX, on_trackbar );
createTrackbar( "H_MAX", trackbarWindowName, &H_MAX, H_MAX, on_trackbar );
createTrackbar( "S_MAX", trackbarWindowName, &S_MAX, S_MAX, on_trackbar );
createTrackbar( "V_MIN", trackbarWindowName, &V_MIN, V_MAX, on_trackbar );
createTrackbar( "H_MIN", trackbarWindowName, &H_MIN, H_MAX, on_trackbar );
createTrackbar( "S_MIN", trackbarWindowName, &S_MIN, S_MAX, on_trackbar );

Plz helppppp....