GLUT_BITMAP_HELVETICA_12
GLUT_BITMAP_9_BY_15

GLUT_LEFT_BUTTON
GLUT_MIDDLE_BUTTON
GLUT_RIGHT_BUTTON
GLUT_DOWN


glutBitmapCharacter(f, c);
glutBitmapWidth(GLUT_BITMAP_HELVETICA_12, c);

glutGetWindow();
glutGet(GLUT_WINDOW_X);
glutGet(GLUT_WINDOW_Y);
glutGet(GLUT_WINDOW_WIDTH);
glutGet(GLUT_WINDOW_HEIGHT);;

glutSwapBuffers();
glutPostRedisplay();

glutKeyboardFunc(mui_keyboard);
glutMouseFunc(mui_mouse);
glutReshapeFunc(mui_Reshape);
glutMotionFunc(mui_glutmotion);
glutPassiveMotionFunc(mui_glutpassivemotion);
glutDisplayFunc(mui_drawgeom);
glutMenuStateFunc(mui_menufunc);

glutSetMenu(activemenu);
glutAttachMenu(GLUT_LEFT_BUTTON);
glutDetachMenu(GLUT_LEFT_BUTTON);
