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CentOS 7.0 - man page for glutvisibilityfunc (centos section 3)

UNTITLED
LOCAL UNTITLED
NAME
glutVisibilityFunc -- Sets the Visibility callback for the current window.
LIBRARY
OpenGLUT - deprecated
SYNOPSIS
#include <openglut.h> void glutVisibilityFunc(void( *callback )( int status ));
PARAMETERS
callback Client hook for visibility changes.
DESCRIPTION
OpenGLUT may call this function when your window's visbility status has changed. status can take on two val- ues: GLUT_NOT_VISIBLE or GLUT_VISIBLE . If any pixel of your window (including descendants) is visible, your window is GLUT_VISIBLE . The callback is bound to the current window .
CAVEATS
This is not a polling mechanism. You are only informed of transitions that OpenGLUT observes while your call- back is in place. This function appears to be superceded by glutWindowStatusFunc(). This callback is mutually exclusive of glutWindowStatusFunc().
SEE ALSO
glutWindowStatusFunc(3) Epoch


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