glutPostRedisplay(3GLUT) GLUT glutPostRedisplay(3GLUT) NAME glutPostRedisplay, glutPostWindowRedisplay - marks the current or specified window as needing to be redisplayed. SYNTAX void glutPostRedisplay(void); void glutPostWindowRedisplay(int win); DESCRIPTION glutPostRedisplay marks the normal plane of current window as needing to be redisplayed. glutPostWindowRedisplay works the specified window as needing to be redisplayed. After either call, the next iteration through glutMain- Loop, the window's display callback will be called to redisplay the win- dow's normal plane. Multiple calls to glutPostRedisplay before the next display callback opportunity generates only a single redisplay callback. glutPostRedisplay may be called within a window's display or overlay dis- play callback to re-mark that window for redisplay. Logically, normal plane damage notification for a window is treated as a glutPostRedisplay on the damaged window. Unlike damage reported by the win- dow system, glutPostRedisplay will not set to true the normal plane's dam- aged status (returned by glutLayerGet(GLUT_NORMAL_DAMAGED). If the window you want to post a redisplay on is not already current (and you do not require it to be immediately made current), using glutPostWin- dowRedisplay is more efficient that calling glutSetWindow to the desired window and then calling glutPostRedisplay. SEE ALSO glutPostOverlayRedisplay, glutDisplayFunc AUTHOR Mark J. Kilgard (mjk@nvidia.com) GLUT 3.7 glutPostRedisplay(3GLUT)
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