glutDisplayFunc man page on RedHat

glutDisplayFunc man page on RedHat

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UNTITLED			     LOCAL			      UNTITLED

NAME
     glutDisplayFunc — Sets the Display callback for the current window.

LIBRARY
     OpenGLUT - windowcallback

SYNOPSIS
     #include <openglut.h>

     void
     glutDisplayFunc(void( *callback )( void ));

PARAMETERS
      callback	   Client function for normal redisplay event.

DESCRIPTION
     Sets the display callback for the	current window	.  All windows,
     including subwindows,  must   have a display callback registered.	OpenG‐
     LUT will call the	callback  function whenever it thinks that the window
     may require updating.

     This callback is bound to the  current window  .

CAVEATS
     Unlike most callbacks, it is illegal to try to disable the display call‐
     back by setting it to  NULL  .

     Multiple redisplays may be coalesced into a single event for invoking the
      callback	only once.

SEE ALSO
     glutPostRedisplay(3) glutOverlayDisplayFunc(3)

				     Epoch

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